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MicroMax GPS200 InterrupterInstallation and Configuration Guide

®

AMERICAN INNOVATIONS, LTD.

MicroMax GPS200 InterrupterInstallation and Configuration Guide

©American Innovations, Ltd.http://www.amerinnovations.com/

12112 Technology Blvd • Austin, TX 78727Phone: 512-249-3400 • Fax: 512-249-3444

®

http://www.aimonitoring.com/



Information in this document is subject to change without notice.

© 2007 American Innovations, Ltd. All rights reserved.

Reproduction in any manner whatsoever without the written permission of American Innovations is strictly forbidden.

Trademarks used in this text: the American Innovations logo and icon are trademarks of American Innovations, Ltd. The MicroMax logo and icon are registered trademarks of American Innovations, Ltd.

Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. American Innovations, Ltd. disclaims any proprietary interest in trademarks and trade names other than its own.

March 5, 2007 Part No. 122097-000, Rev. 2

Table of Contents

Chapter 1. Getting Started . . . . . . . . . . . . . . . . . . . . . . . . .1Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1GPS200 Interrupter Overview . . . . . . . . . . . . . . . . . . . . . . . . . .1Relay Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4Mercury Relay Customer Advisory. . . . . . . . . . . . . . . . . . . . . . .4Supplied Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6Contacting Technical Support. . . . . . . . . . . . . . . . . . . . . . . . . . .8

Chapter 2. Installation & Configuration . . . . . . . . . . .9To Install the GPS200 Interrupter . . . . . . . . . . . . . . . . . . . . . . .9To Power Up the GPS200 Interrupter . . . . . . . . . . . . . . . . . . .10Setting the Contrast . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11Setting the Time Zone. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12Viewing GPS Info . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12To Set Up an Interruption Program. . . . . . . . . . . . . . . . . . . . .14Using Advanced Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

Setting Output Parameters . . . . . . . . . . . . . . . . . . . . . . . . . .17Setting Interference Parameters . . . . . . . . . . . . . . . . . . . . . .19Applying Factory Default Settings. . . . . . . . . . . . . . . . . . . .23Setting Security Options. . . . . . . . . . . . . . . . . . . . . . . . . . . .24

Working with Other Brands of Interrupters . . . . . . . . . . . . . .25

Appendix A. Factory Default Settings . . . . . . . . . . . . .27

Appendix B. Regulatory Notices . . . . . . . . . . . . . . . . . .29

Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31

GPS200 Interrupter Installation and Configuration Guide v

List of Figures and ScreensFigure 1. GPS200 Interrupter . . . . . . . . . . . . . . . . . . . . . . . . . . 2Figure 2. Interference Mode Example . . . . . . . . . . . . . . . . . . . 2Figure 3. GPS200 Connector Panel . . . . . . . . . . . . . . . . . . . . . 7Screen 1. Typical Startup Screens . . . . . . . . . . . . . . . . . . . . . . 10Screen 2. Main Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11Screen 3. GPS Info . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13Screen 4. Programming Menu . . . . . . . . . . . . . . . . . . . . . . . . . 14Screen 5. Program Initialization . . . . . . . . . . . . . . . . . . . . . . . 15Screen 6. Program Standby . . . . . . . . . . . . . . . . . . . . . . . . . . . 15Screen 7. Program Active . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16Screen 8. Password. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17Screen 9. Advanced Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17Screen 10. Output Parameters . . . . . . . . . . . . . . . . . . . . . . . . . 18Screen 11. Interference On/Off and Delay Time . . . . . . . . . 19Screen 12. Program Information. . . . . . . . . . . . . . . . . . . . . . . 20Screen 13. Initializing Interference Program . . . . . . . . . . . . . 22Screen 14. Interference Program Running . . . . . . . . . . . . . . . 23Screen 15. Reset System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23Screen 16. Password. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

List of TablesTable 1. Time Zone and GMT Examples . . . . . . . . . . . . . . . . 12Table 2. Interrupter Factory Default Settings . . . . . . . . . . . . . 27

vi Table of Contents

C h a p t e r 1

Getting Started

IntroductionThe MicroMax® GPS200 interrupter is a programmable, GPS current interrupter. The information in this guide is intended for authorized service personnel who plan to install and configure the interrupter for service.

GPS200 Interrupter OverviewThe GPS200 interrupter is a fully programmable, satellite synchronized interrupter capable of interrupting rectifier, bond, or any other current. Cycles can be programmed using any combination of time intervals between 0.1 seconds and 999 seconds for “Off ” and “On” cycles. The interrupter can store up to nine interruption programs for later use.

Output parameters are set to accommodate any external relay configuration. The user configurable nature of the relay controller output allows you to use either the supplied relay or your own custom relay. Additionally, the menu-driven synchronization configuration allows the interrupter to operate with almost any other brand of GPS synchronized interrupter or data logger. Based on the number of satellites seen and the quality of view, synchronization triggering accuracy is specified to within 1µs with any other MicroMax interrupter.

The next figure shows an example of the GPS200 interrupter. See Figure 3 on page 7 for an example of the connector panel.

GPS200 Interrupter Installation and Configuration Guide 1

Figure 1. GPS200 Interrupter

NOTE: The “Reset” button is unavailable for use in this product release.

A unique patent pending “Interference Mode” interruption cycle (see Figure 2) allows rectifier influence studies with greatly increased productivity and ease of data interpretation. By operating in interference mode, it’s possible to determine the influence from each individual rectifier being interrupted and get the instant “Off ” and “On” pipe-to-soil potentials, all during a single visit to a test station. The influence from up to 99 rectifiers can be studied simultaneously using “Interference Mode”.

Figure 2. Interference Mode Example

Nextcycle

Instantoff

R1off

R2off

R3off

Offtime

Ontime

R1

R2

R3

Previouscycle

Offtime

Offtime

Delaytime

Delaytime

Offtime

Delaytime

Offtime

StandardInterruption

Interferrence modeInterruption

R1

R4

R5

R3R2

2 Chapter 1. Getting Started

Additional features of the GPS200 interrupter include:

Supplied with a solid state relay (DC) or mercury relay (AC or DC).

NOTE: For important information about mercury relays, refer to the section entitled “Mercury Relay Customer Advisory” on page 4.

Standard current relay capacity of 100A/100V (higher capacities available). Connects to any external current relay (or multiple relays) and supplies up to 500mA. User selectable control of the interrupter output to 0V or 12V for “On” or “Off ”. (Accommodates normally open or normally closed relays.)

Synchronization can be set on the leading or falling edge of the interruption cycle.

Interruption continues automatically after power is disrupted.

Cycle range up to 999.9 seconds in 0.1 second increments.Synchronization triggering accuracy is within 1µs with any other GPS200 interrupter and collectively is less than 5µs after the PPS signal (precise positioning service signal) as provided by the GPS satellite constellation, even when only one satellite is visible.

Fully programmable between the following modes: continuous, daily, dated, and interference mode. Nine different interruption programs can be stored for later use.

AC or DC operation from a wide range of voltages.

Allows for full cathodic protection (CP) polarization when the GPS200 interrupter is not in use (rectifier “on” and no interruption after hours).


Relay ControlYou can connect the GPS200 interrupter to almost any external current relay (or multiple relays) using a 12V control. Depending on the configuration, the interrupter supplies up to 500mA (12V) relay control current. As a result, numerous relays can be controlled with one interrupter. This leads to significant cost savings in areas where multiple current sources in a confined area need to be switched. The GPS200 interrupter can be set to accommodate normally open and normally closed relays. American Innovations (AI) provides several relay options for switching either AC or DC at various loads.

Mercury Relay Customer AdvisoryThis advisory is intended to notify American Innovations (AI) customers of the manufacturer’s published limitations on mercury relays.

Customers primarily purchase relays from AI for use with the MicroMax® family of current interrupters. MicroMax interrupters provide great programming flexibility to enable customers to use a wide variety of interruption cycles.

AI supplies mercury relays from a variety of respected and reliable vendors including MDI and American Electronic Components (AEC). These manufacturers publish expected relay lives of 3 to 6 million cycles depending upon the type of relay selected. AEC, the manufacturer of Durakool relays, indicates that relay life will be significantly shortened at rates exceeding 1,500 cycles per hour. MDI recommends no more than 900 cycles per hour. Depending upon the interruption cycle chosen by the customer, it is possible to exceed the manufacturer’s recommendation resulting in a likely reduction of service life.

As an example, customers who elect to use mercury relays to interrupt at 1 cycle per second will generate 3600 cycles per hour. Customers should consult the manufacturer’s documentation to select the appropriate relay for the application. Durakool information can be accessed via the Internet at the web address below:

http://www.aecsensors.com/pdf/Relays_and_Contacts_Catalog.pdf


In the Durakool documentation, two situations are explained that may impact the current carrying capacity of the relay: 1) cycle rate and 2) voltage values. The sizing tables indicate a methodology for determining the maximum amperage that can be carried depending upon the cycle rate. An additional de-rating table for mercury relays is provided for those instances where voltage in excess of 48 VDC is being interrupted. When selecting relays, customers should be aware of both of these de-rating tables to choose the best relay for the application.

To avoid depolarization of the CP system, the mercury relays that AI sells are of the normally closed variety. It is possible that a normally closed relay will fail at the end of its life in the open position due to a malfunction of the spring mechanism which drives the plunger/contacts into a normally closed position. If this occurs, a depolarization situation would result. AI has the following two recommendations:

Customers using mercury relays should consider periodic replacement of these relays based upon engineering estimated life via a preventive maintenance program to reduce the likelihood of an open circuit failure.

–OR–

If fast cycle operation is common, AI would recommend a solid state relay for maximum life and reliability.

Although the MicroMax interrupter is capable of being programmed for faster interruption cycles, AI recommends that customers not exceed 900 cycles per hour (or a cycle time of less than four seconds) and will not warranty devices that are utilized in this manner. AI adds a serial number to relays that it supplies to enable the tracking of the shipment date. The approximate age of the relay may be used to assist AI in return material response, failure analysis and warranty claims. AI will also consult manufacturers to help determine failure cause and advises customers that warranties may not be honored if AI or the manufacturer deems that the mercury relay is used outside of recommended parameters.

If you have questions or need additional information, please contact AI Technical Support.


Supplied CablesThe following cables are provided in the installation kit with the GPS200 interrupter. All cable connections are made using the connectors located on the side of the interrupter. Refer to Figure 3 on page 7.

AC Power Cable: Connect one end of the cable in the AC power connector on the interrupter and the other end in a 3-prong, electrical outlet. The interrupter supports AC supply voltages between 80VAC and 240VAC.

DC Power Cable: Plug one end of the cable in the DC power connector on the interrupter. Attach the red positive (+) and black negative (–) clips on the other end of the cable to a 12V DC source (such as a 12V lead acid battery) in the following manner: positive to positive and negative to negative.

AC Power Cable DC Power Cable

The GPS200 interrupter consumes approximately 120mA. Relay current consumption is additional and is typically less than 10mA for a solid state relay and could be as high as 400mA for a mechanical mercury relay.

GPS Antenna with Integral Cable: Connect the magnetic-mount, GPS antenna to the MCX connector on the interrupter. Mount the GPS antenna on a metal surface making sure the antenna has a clear view of the sky. If a metal surface is unavailable, glue a flat washer on a suitable surface and then place the GPS antenna on the flat washer.

Relay Control Output Cable: Connect the red and black banana plugs on one end of the cable in the red and black banana jacks on the interrupter making sure polarity is correct. Red indicates positive (+) and black indicates negative (–). Connect the banana plugs on the other end of the cable in the relay.


GPS Antenna with Integral Cable Relay Control Output Cable

The following figure shows an example of the connector panel located on the side of the GPS200.

Figure 3. GPS200 Connector Panel


Contacting Technical SupportIf you need assistance with the GPS200 interrupter, please contact AI Technical Support in any of the following ways:

Telephone: 512-249-3400

E-mail: [email protected]

Mail: American Innovations, Ltd.ATTN. Technical Support12112 Technology Blvd.Austin, TX 78727

Fax: 512-249-3444


C h a p t e r 2Installation & Configuration

To Install the GPS200 InterrupterWhen completing the following procedure, refer to the figures in the section entitled “Supplied Cables” on page 6 and Figure 3 on page 7.

Complete the following steps:

1. Turn OFF all power to the rectifier.

WARNING: Make sure to follow all precautions when working with the interrupter and high voltage circuits.

2. Connect the magnetic-mount, GPS antenna to the MCX connector on the interrupter. Mount the GPS antenna on a metal surface making sure the antenna has a clear view of the sky. If a metal surface is unavailable, glue a flat washer on a suitable surface and then place the GPS antenna on the flat washer.

3. Connect the AC power cable to the interrupter. Do not connect the other end of the cable at this time.

If you are using the DC power cable instead, connect the cable to the interrupter, but do not connect the other end at this time.

4. Using the red and black banana plugs on one end of the relay control output cable, connect the red (+) banana plug in the red (+) banana jack on the interrupter. Connect the black (–) banana plug in the black (–) banana jack on the interrupter.

Connect the red (+) and black (–) banana jacks on the other end of the relay control output cable in the relay control input making sure to observe the correct polarity (banana jacks on relays provided by AI).


5. Depending on the type of relay you plan to use, connect the relay to the rectifier circuit by connecting the relay current cables in the secondary AC or in either the positive (+) or negative (–) leg of the DC output.

AC relays are not polarity sensitive, however “DC Only” relays are polarity sensitive. When connecting a “DC Only” relay, make sure the current flow through the relay (+ve to –ve or from the red cable to the black cable through the relay) corresponds to the current flow direction at that particular point in the total circuit. DC relays provided by AI conduct current and do not switch if the polarity is incorrect. If this happens, reverse the polarity and then verify the relay operates correctly.

To Power Up the GPS200 InterrupterComplete the following steps:

1. Power up the GPS200 interrupter by plugging the AC power cable in an electrical outlet. The interrupter supports AC supply voltages between 80VAC and 240VAC.

If you are using the DC power cable instead, attach the clips on the cable to a 12VDC source, such as a lead acid battery. AI does not recommend that the interrupter be powered with the rectifier DC output.

After applying power to the GPS200 interrupter, the following information briefly appears in the display. The “POWER” LED on the front panel of the GPS200 also turns on and remains lit.

Screen 1. Typical Startup Screens

MicroMax GPS200Interrupter Ver 0.07Software 10/17/2006GPS Trimble LasseniQ

Initializing GPS!!!

Please Wait....!Press ESC To stop!

10 Chapter 2. Installation & Configuration

2. After the initialization process completes, the interrupter displays the Main Menu shown below. If the Main Menu does not display, make sure the interrupter is not currently running another program. If another program is running, press ESC on the interrupter keypad and then press OK.

The Main Menu displays available menu options you can select. To select a menu option, use the interrupter keypad to select the number associated with the menu option. For example, press 2 on the keypad to select the “GPS Info” menu option.

The Main Menu also displays the current number of satellites in view, current time and date, and the current time zone setting for the menu option “GMT offset”.

Screen 2. Main Menu

Setting the ContrastUse the up and down arrows on the interrupter keypad to adjust the contrast level of the display. Pressing the up arrow increases the contrast while pressing the down arrow decreases the contrast.

You can adjust the contrast level at any time except when the GPS200 is running an interruption program.

1: Program | SATS=002: GPS Info | 12:28:093: Advanced | 01/19/074: GMT offset = –06


Setting the Time ZoneTime zone can be set from GMT –12 to GMT +12. The following table lists examples of typical time zones with corresponding GMT (Greenwich Mean Time). The procedure following the table explains how to configure the interrupter with a time zone of your choice.

Complete the following steps to set the time zone:

1. With the Main Menu displaying, press 4 on the interrupter keypad.

2. Enter any number from 0 to 12.

3. Press F1 to change the sign from + (plus) to – (minus) or vice versa.

4. Press OK to confirm or Esc to cancel.

Viewing GPS InfoThe GPS Info screen includes status information for the current number of satellites in view, time zone, antenna, and the current time and date.

With the Main Menu displaying, press 2 on the interrupter keypad to display the GPS Info screen. The screen displays for about 5 seconds and then displays the Main Menu.

Table 1. Time Zone and GMT Examples

Time Zone GMT

Eastern Standard Time –05

Central Standard Time –06

Mountain Standard Time –07

Pacific Standard Time –08

Eastern Daylight Time –04

Central Daylight Time –05

Mountain Daylight Time –06

Pacific Daylight Time –07


The GPS Info screen displays information similar to that shown in the next example.

Screen 3. GPS Info

Using the previous screen as an example (Screen 3), the following list describes the type of information shown on the GPS Info screen:

GPS Info UTC +013: The first line is for informational purposes only. It shows the Universal Time Constant (UTC) which is used by the GPS system.

Antenna OK: The second line shows the antenna status. If the antenna is disconnected or loose, the status message “Antenna OPEN” displays. If the antenna is shorted, the status message “Shorted” displays. Sats: 04/12 3D Fix: The third line shows the number of satellites seen by the unit and if 2D or 3D GPS lock is obtained. In the previous screen example, “04/12” refers to 4 satellites in view out of 12 possible satellites. A 2D lock requires 3 satellites while 3D lock requires at least 4 satellites. If the unit sees an insufficient number of satellites, move the antenna until at least a 2D lock (preferably a 3D lock) is achieved.

If no satellites are seen, the message “Acq Sat” appears in the display on the right side. The message “Sat Lock” displays when the unit has established communication with at least one satellite.

IMPORTANT: GPS lock is not needed for the GPS200 to operate. The internal clock updates as soon as the internal GPS locates satellites. For synchronized interruption or interference, make sure the antenna position enables at least a 2D lock.

16:23:02 01/19/07: The fourth line shows the current date and time. The time is shown in military time (24 hours) and uses the HH:MM:SS format to represent hours, minutes, and seconds. The date is shown in MM/DD/YYYY format to represent the month, day, and year.

GPS Info UTC +013Antenna OKSats: 04/12 3D Fix16:23:02 01/19/07


To Set Up an Interruption ProgramComplete the following steps:

1. With the Main Menu displaying, press 1 on the interrupter keypad to display the Programming Menu. (See the example below.)

2. Press any key from 1 to 9 to program an interruption cycle. The interruption program is automatically saved and can be recalled later. The following screen shows an example of the type of information that displays on the Programming Menu.

Screen 4. Programming Menu

Using Screen 4 as an example, the list below describes the type of information shown on the Programming Menu:

• Program # 5: The first line shows the program number. Press any number from 1 to 9 to view a particular program.

• On: 012.0 Off: 003.0: The second line shows the “On” and “Off ” times of the interruption cycle.

• Start-Immediate/Stop-Never: The third and fourth lines show the start and stop time of the interruption cycle.

3. To move from one field to another, press F2 on the interrupter keypad.

4. To enter a time such as “3.0”, press the following keys on the interrupter keypad:

• 3 • 0

• F2

5. To correct an entry while in a certain field, press the backspace arrow (left arrow) on the interrupter keypad and then enter the correct data.

Program # 5On: 012.0 Off: 003.0Start - ImmediateStop - Never


6. Press F1 to change the “Start” and “Stop” times. Available start/stop times include:

• Immediate / Never

• Start time - Daily / Stop time - Daily• Start time - Date / Stop time - Date

For “Start time - Date” and “Stop time - Date”, enter a date using the MM/DD/YY format to indicate the month, day, and year, such as 08/02/07.

7. Press OK to start the interruption program or Esc to cancel.

When the interruption program begins to initialize, a screen similar to the following example displays. The screen displays while the interrupter calculates the correct synchronization time.

Screen 5. Program Initialization

After the interruption program initializes, the next screen displays if the interrupter is waiting for a future interruption start date or time. The interrupter is in “standby” until the specified start date or time occurs.

If the start/stop times are set as “Immediate/Never”, the following screen does not display and the interruption program starts immediately.

Screen 6. Program Standby

Program # 5 Calc.F1 ⇒ Program infoF2 ⇒ Gps infoEsc to stop

Program # 5 StandbyF1 ⇒ Program infoF2 ⇒ Gps infoEsc to stop


Once the interruption program starts, a screen similar to the next example displays.

Screen 7. Program Active

When the interruption program starts, you can either press F1 on the interrupter keypad to view the Program Menu or F2 to monitor the GPS status. The interrupter automatically returns to the interruption program within a few seconds. Also note that the interruption program will re-initialize after pressing the “F1” or “F2” keys.

8. To stop the interruption program from running, press Esc and then OK to confirm. If “OK” is not pressed within a few seconds, the interrupter returns to the interruption program.

NOTE: If the interrupter is powered off or loses power while executing an interruption program, it will automatically continue with the same interruption program once power is restored.

Using Advanced FeaturesAdvanced features such as setting output levels, factory defaults, and interference parameters are all completed using the Advanced Menu. The Advanced Menu is password protected with a 4-digit password. The factory default password is 9999. You can change the password using the “Security Options” selection on the Advanced Menu.

If the password has been changed from the factory default setting and you do not remember the new password, press 0 (zero) and then OK on the interrupter keypad. Make a note of the information that displays on the screen and then call Technical Support to obtain your password. (Refer to section entitled “Contacting Technical Support” on page 8.)

Program # 5 ActiveF1 ⇒ Program infoF2 ⇒ Gps infoEsc to stop


To display the Advanced Menu:

1. With the Main Menu displaying, press 3 on the interrupter keypad to display the Password screen shown below.

Screen 8. Password

2. Enter your 4-digit password and then press OK to display the Advanced Menu screen shown below.

Screen 9. Advanced Menu

3. Complete one of the following steps:

a. To set output parameters, continue with the next section entitled “Setting Output Parameters”.

b. To set interference parameters for a rectifier influence study, refer to the section entitled “Setting Interference Parameters” on page 19.

c. To reset the interrupter to factory default settings, continue with the section “Applying Factory Default Settings” on page 23.

d. To set security options, refer to the section entitled “Setting Security Options” on page 24.

Setting Output ParametersOutput parameters are set to accommodate various current switch configurations and enable synchronization with other interrupters. Synchronization can be set as “OFF/ON” or “ON/OFF”. The setting indicates which portion of the interruption cycle executes first on the synchronization event. The default setting is “OFF/ON”.

Please enter your4 digit password:– – – –⇐ EscOK ⇒

5: Output parameters6: Interference set7: Factory defaults8: Security options


You can also change the output to reflect “ON” as 12V (High) or 0V (Low). As a general guideline, when a normally open relay is used, the setting should be “Low output is: OFF” and for a normally closed relay, the setting should be “Low output is: ON”.

Configuration settings and the current operating status are indicated by the “OPER” (operation) LED on the front panel of the GPS200 in the following manner:

LED turns on and off when an interruption program is running. LED turns on when the output is 12V.

If the GPS200 is configured for synchronized current interruption with the output parameter “Low output is: OFF” setting, the LED turns off until the output switches to a high state (12V).

If the GPS200 is configured for synchronized current interruption with the output parameter “Low output is: ON” setting, the LED turns on until the output switches to a high state (12V).

Complete the following steps to set output parameters:

1. With the Advanced Menu displaying, press 5 on the interrupter keypad to display the Output Parameters screen shown in the next example.

Screen 10. Output Parameters

2. To move from one field to another, press F2 until the cursor is positioned on the field you want to configure.

3. To configure the field, press F1 until the desired output parameter displays in the selected field.

4. Using the interrupter keypad, press OK to save the setting or Esc to return to the Advanced Menu.

Output parameters.Synchronize: ON/OFFLow output is: OFFF1: Change | F2: Next


Setting Interference ParametersComplete the following steps to setup interference parameters for a rectifier influence study:

1. With the Advanced Menu displaying, press 6 on the interrupter keypad to display the interference settings screen shown in the next example.

Screen 11. Interference On/Off and Delay Time

Using the previous screen as an example (Screen 11), the following list describes the type of information shown on the interference screen:

• I am # 01 of 06: The first line shows the specific number of the interrupter (the rectifier it represents) and the total number of interrupters and rectifiers used in the interference study.

• On: 013.0 Off: 005.0: The second line shows the interference “On” and “Off ” times.

• Delay: 002.0: The third line shows the delay time.

• 0060 OK=Next>: The number in the last line indicates the total time of the cycle in seconds. This is a calculated value based on settings you enter for the on, off, and delay times as well as the total number of interrupters in the study. Pressing “OK” on the interrupter keypad saves changes and then displays the next settings screen where you can configure the interrupter start and stop times.

NOTE: Pressing “Esc” on the interrupter keypad allows you to exit the interference settings screen and display the Advanced Menu.

2. To set the interrupter number:

a. Press F2 to move the cursor to the interrupter number field. (The interrupter number field in the previous screen example shows the “01” default setting.)

b. Enter a two-digit, interrupter number using the interrupter keypad. Valid entries are any number from 01 to 99.

I am # 01 of 06.On: 013.0 Off: 005.0Delay: 002.00060 OK=Next>


3. To set the total number of interrupters in the study:

a. Press F2 to move the cursor to the total number of interrupters field. (This field in the previous screen example shows the “06” default setting.)

b. Enter a two-digit number that represents the total number of interrupters used in the study. Valid entries are any number from 01 to 99.

4. To set the interference “on” and “off ” times:

a. Press F2 to move the cursor to the “on” time field and then enter the “on” time in seconds using the interrupter keypad. (This field in the previous screen example shows the “013.0” default setting.)

Valid entries for “on” and “off ” time are any 4-digit decimal number from 000.1 to 999.9.

b. Press F2 to move the cursor to the “off ” time field and then use the interrupter keypad to enter the “off ” time in seconds. (This field in the previous screen example shows the “005.0” default setting.)

5. To set the delay time:

a. Press F2 to move the cursor to the delay time field.

b. Enter a delay time in seconds using the interrupter keypad. Valid entries are any 4-digit decimal number from 000.0 to 999.9. (This field in the previous screen example shows the “002.0” default setting.)

6. Press OK on the interrupter keypad to save changes and display the program information screen shown in the next example.

Screen 12. Program Information

Interference, 01/06001.0/003.0/002.0Start – ImmediateStop – Never


NOTE: In the previous screen, the first line shows the number of the interrupter you are working with and the total number of interrupters in the interference study. The second line shows current settings for on, off, and delay time. The third and fourth lines show current settings for the interference “start” and “stop” times.

7. Complete the following steps to configure interference “start” and “stop” times:

a. Press F2 to move the cursor to the “Start” field.

b. Press F1 until the desired setting displays in the “Start” field. The following list identifies available options you can choose:

• Immediate/Never: The interference program begins immediately after pressing “OK” on the interrupter keypad. The program continues to run until you press “Esc” on the interrupter keypad.

• Start time - Daily / Stop time - Daily: If you select this option, use the interrupter keypad to enter a start and stop time. Enter time in 24-hour format as HH:MM to indicate hours and minutes.

• Start time - Date / Stop time- Date: If you select this option, use the interrupter keypad to enter a start time and date and a stop time and date. Enter time in 24-hour format as HH:MM to indicate hours and minutes and enter the date using the MM/DD/YY format to indicate the month, day, and year.

c. Press F2 to move the cursor to the “Stop” field.

d. Press F1 until the desired setting displays in the “Stop” field. Refer to the previous list for available options you can choose.

8. For each remaining interrupter included in the study, repeat steps 2 through 7 in this section. Make sure to assign each interrupter a unique two-digit number. All interrupters in the study should be setup with the same on/off, delay, and start/stop times.

9. After all interrupters in the study are setup, start the interference program by pressing OK on the interrupter keypad for each interrupter included in the study.


As each interrupter in the study begins to initialize, a screen similar to the next example displays.

Screen 13. Initializing Interference Program

The following list identifies the type of information shown in the previous screen (Screen 13):

• Interference: I’m #05: When the interrupter is initializing, running a program, or is in standby, the first line identifies the number of the specific interrupter.

• Waiting to start: While the interrupter is initializing, the second line displays the message “Waiting to start”.

• Info: F1-Prgrm F2-Gps: Press F1 to display the program information screen or F2 to display the GPS Info screen. For screen examples, refer to Screen 12 on page 20 and Screen 3 on page 13. After viewing program information or the GPS status, the interrupter automatically returns to the interference program within a few seconds. It can take up to one complete cycle for the interrupter to re-synchronize itself with other interrupters in the study.

• Esc to stop: If you want to stop the interference program for a particular interrupter, press Esc on the interrupter keypad and then press OK when the message “Do you want to stop Interference” displays. If you do not press “OK” within a few seconds, the interference program continues to run.

Interference: I'm #05Waiting to startInfo: F1-Prgrm F2-GpsEsc to stop


When the interrupter finishes initializing and begins running the interference program, a screen similar to the next example displays.

Screen 14. Interference Program Running

The following list identifies the type of information shown in the previous screen (Screen 14):

• Interference: I’m #05: When the interrupter is initializing, running a program, or is in standby, the first line identifies the number of the specific interrupter.

• All ON, #02/06 OFF: The second line cycles through a series of messages that identify the current operating status of the interrupter and rectifier as well as all others used in the interference study. The screen example above (Screen 14) shows that all interrupters and corresponding rectifiers are “on” except for #02 which is currently “off ”.

When the interrupter is setup to run an interference program on a daily basis, the message “Done for the day” displays until the next start time occurs. When the interrupter completes an interference program, the message “Done” displays.

NOTE: If the interrupter is powered off or loses power while executing an interference program, it automatically continues with the same interference program once power is restored.

Applying Factory Default SettingsComplete the following steps to reset the interrupter with factory default settings:

1. With the Advanced Menu displaying (see Screen 9 on page 17), press 7 on the interrupter keypad to display the following screen.

Screen 15. Reset System

Interference: I'm #05All ON, #02/06 OFFInfo: F1-Prgrm F2-GpsEsc to stop

Reset system tofactory defaults?OK = RESETEsc = DO NOT RESET!!


2. Press OK on the interrupter keypad to reset the interrupter to factory settings or Esc to cancel.

NOTE: Pressing “OK” replaces all current settings with factory default settings. After resetting the interrupter, the Advanced Menu displays again.

For a list of factory default settings, refer to Appendix A on page 27.

Setting Security OptionsComplete the following steps:

1. With the Advanced Menu displaying, press 8 on the interrupter keypad to display the next screen.

Screen 16. Password

2. Complete one of the following steps:

a. If you want to change the password, enter 4 digits using the interrupter keypad and then press OK. –OR–

b. If you want to reset the password to the factory default setting (9999), press F1 on the interrupter keypad and then press OK to confirm.–OR–

c. Press ESC on the interrupter keypad to cancel and return to the Advanced Menu.

Enter 4 digits andPress OK to changethe password: ....F1⇒Factory password


Working with Other Brands of InterruptersThe GPS200 interrupter has been demonstrated to work with most GPS synchronized interrupters on the market; most manufacturers use the same principle of calculating interruption synchronization.

Use the following procedure to synchronize a JR-2 interrupter with the GPS200 interrupter. The following procedure uses the optional, JR-2 adapter cable provided by AI.

1. Connect the JR-2 adapter cable to the JR-2 interrupter. Connect the other end of the adapter cable to the relay control output cable provided in the installation kit. Do not connect the banana plugs on the other end of the relay control output cable at this time.

2. Start the GPS200 interrupter with the following settings:

• OFF/ON synchronization

• Low output = Off

• Off = 0.5, On = 59.5

3. After the GPS200 interrupter has started interruption, use the exact time of the GPS200 as a guide when setting the JR-2 interrupter. Set the time ahead on the JR-2 interrupter to allow enough time to finish the procedure.

4. Before the next OFF cycle on the GPS200 interrupter, connect the banana plugs on the JR-2 adapter cable in the red (+) and black (–) banana jacks on the GPS200 interrupter and then wait until an OFF cycle has executed.

The red (+) and black (–) banana jacks on the GPS200 interrupter are typically used for the relay control output cable. Refer to Figure 3 on page 7 for location of the banana jacks.

5. The interrupters should now be synchronized (clocks are set at the exact same time) and the GPS200 interrupter can be set back to whichever program is required.


A p p e n d i x A

Factory Default Settings

The following table identifies factory default settings for the GPS200 interrupter. For information about how to reset the interrupter to factory settings, refer to the section entitled “Applying Factory Default Settings” on page 23.

Table 2. Interrupter Factory Default Settings

Setting Value

Time Zone GMT-06

Interruption

9 programs, on/off times in seconds.

Program 1: 3.0 / 1.0Program 2: 0.8 / 0.2Program 3: 3.0 / 1.0Program 4: 4.0 / 1.0Program 5: 12.0 / 3.0Program 6: 15.0 / 3.0Program 7: 0.7 / 0.3Program 8: 0.8 / 0.2Program 9: 9.0 / 3.0

Start Time Immediate

Stop Time Never


Interference

On/off/delay times in seconds.

On: 13.0sOff: 5.0sDelay: 2.0sI am #01 of 06Total cycle time is 60 seconds

Output Parameters Synchronization:OFF/ONLow output is:ON (For use with default closed relay.)

Table 2. Interrupter Factory Default Settings (continued)

Setting Value

28 Appendix A. Factory Default Settings

A p p e n d i x B

Regulatory Notices

The following FCC requirements are met by the product(s) described in this guide:

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

1. Reorient or relocate the receiving antenna.

2. Increase the separation between the equipment and receiver.

3. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

4. Consult the dealer or an experienced radio/TV technician for help.


30 Appendix B. Regulatory Notices

INDEX

Numerics2D GPS lock 133D GPS lock 13

AAC power cable 6

connecting 9AC power connector 7Antenna ok 13Antenna open 13Arrow

backspace (left arrow) 14down 11up 11

BBackspace arrow 14

CCable

ac power 6dc power 6GPS antenna 6relay control output 6

Closed relay 18Connector panel 7Contrast level

setting 11Current switch 17

DDate format 21DC power cable 6

connecting 9DC power connector 7Default settings 23, 27Delay time 20Display contrast level 11Down arrow 11

EEsc (escape) 21

FF1 18F2 18

GGPS antenna 13

mounting 9GPS antenna and cable 6GPS antenna message 13GPS info 12GPS initializing 10GPS200 interrupter 2

connector panel 7cycles 1installation 9output parameters 1power-up 10programmable 1programs 1satellite synchronized 1time intervals 1

IInfluence study 2Installation 9Interference delay time 20Interference mode 2Interference on off time 20Interference parameters

setup 19Interference program

completed 23operating status 23power loss 23running 23start 21


stopping 22waiting to start 22

Interference program informa-tion 20Interference program messages22, 23Interference start stop time 21Interrupter

other brands 25Interrupter number

setup 19Interrupters

total number 20Interruption program 1

initialization 15running 16setup 14standby 15

LLED

oper 18operating status 18power 10

Left arrow (backspace) 14

MMain menu 11MCX connector 7Mercury relay 4

OOpen relay 18OPER (operation) LED 18Operating status

LED 18Output parameter 1Output parameters

setup 17

PPassword 24

entering 17Pipe-to-soil potential 2Power LED 10Program active 16Program initialization 15Program standby 15

RRelay 1

closed 18mercury 3mercury advisory 4open 18solid state 3

Relay control 4Relay control output 7Relay control output cable 6

connecting 9

SSatellites in view 13Security options 24Shorted 13Synchronization 3

high 18low 18off/on 17on/off 17

TTime format 21Time zone

setting 12

UUp arrow 11

32 Index

http://www.amerinnovations.com/12112 Technology Blvd. • Austin, TX 78727Phone 512-249-3400 • Fax 512-249-3444

Part No. 122097-000, Rev. 2 • March 5, 2007

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