Keystone LimitSwitch K-Block 792E Cut D
3
Features and Benefits • Soli d state i nducti ve pro ximit y switches eliminate mechanical contacts. • T wo induc tive s witch es in a sealed enclosure provide an end-of-travel sensor impervious to moisture. • Mult i-fun ction al devic e is availa ble up to 250 volts in AC or DC power supplies. • Inte gral LEDs provi de qu ick verification of circuit continuity when power is present. • Enclosure constructed of en ginee red resin and potting for corrosion resistance. • Rotat ing ‘targ et pu ck’ provi des v isual position indication. • Compa ct size all ows fo r installation in areas with limited space. • Simp lifi ed desi gn enab les dir ect mounting on most Keystone and Tyco actuators and easy adaption to other quarter-turn actuators. K-BLOCK™ Quarter-turn Position Indicator The K-BLOCK ™ position indicat or is a solid-state replacement for the mechan- ical switch boxes normally used to determine valve position. The sensor consists of two inductive proximity switches in a compact, sealed housing. There are no mechanical contacts to wear and no contact bounce that can cause false signals. A ‘target pu ck’ mounted on the actuator or valve shaft, has two metallic screws located 90 degree s apart. As the v alve position changes, the sensor detects one or the other of these screws, providing individual, positive ‘valve open’ and ‘v alve closed’ output signals, each with a visual LED indication. K-BLOCK™ indicators provid e NEMA 6 (IP67) ratings, making them an ideal choice for applications involving equip- ment hose-downs. The K-BLOCK™ sensor is molded of an engineering resin that is highly resistant to aliphatic and aromatic hydrocarbons, oils, fats, hydraulic fluids and fuels. K-BLOCK™ is a trademark of T yco International Ltd. A VID K-BLOCK™ Limi t Swi tch, Model 792E Copyright ©2003 Tyco F low C ontrol.Al l r ights r eserved. AVDMC-0015-US-0308 Total Flow Control Solutions™ Flow Control AVI D K-BLOCK™ Solid State Proxi mity Switc h Quarter-turn Position Indicator
description
Keystone K-Block Limit switches
Transcript of Keystone LimitSwitch K-Block 792E Cut D
-
Features and Benefits Solid state inductive proximity
switches eliminate mechanicalcontacts.
Two inductive switches in a sealedenclosure provide an end-of-travelsensor impervious to moisture.
Multi-functional device is available upto 250 volts in AC or DC powersupplies.
Integral LEDs provide quickverification of circuit continuity whenpower is present.
Enclosure constructed of engineeredresin and potting for corrosionresistance.
Rotating target puck provides visualposition indication.
Compact size allows for installation inareas with limited space.
Simplified design enables directmounting on most Keystone and Tycoactuators and easy adaption to otherquarter-turn actuators.
K-BLOCKQuarter-turn Position IndicatorThe K-BLOCK position indicator is asolid-state replacement for the mechan-ical switch boxes normally used todetermine valve position.The sensor consists of two inductiveproximity switches in a compact, sealedhousing. There are no mechanicalcontacts to wear and no contact bouncethat can cause false signals.A target puck mounted on the actuatoror valve shaft, has two metallic screwslocated 90 degrees apart. As the valveposition changes, the sensor detects
one or the other of these screws,providing individual, positive valve openand valve closed output signals, eachwith a visual LED indication.K-BLOCK indicators provide NEMA 6(IP67) ratings, making them an idealchoice for applications involving equip-ment hose-downs.The K-BLOCK sensor is molded of anengineering resin that is highly resistantto aliphatic and aromatic hydrocarbons,oils, fats, hydraulic fluids and fuels.
K-BLOCK is a trademark of Tyco InternationalLtd.
AVID K-BLOCK Limit Switch, Model 792E
Copyright 2003 Tyco Flow Control. All rights reserved. AVDMC-0015-US-0308Total Flow Control Solutions
Flow Control
AVID K-BLOCK Solid State Proximity Switch Quarter-turnPosition Indicator
-
AVID K-BLOCK Limit Switch, Model 792E
Copyright 2003 Tyco Flow Control. All rights reserved. AVDMC-01242
www.tycovalves.com
Tyco Valves & Controls
Tyco Flow Control (TFC) provides the information herein in good faith but makes no representation as to its comprehensiveness or accuracy. This data sheet is intended only as a guide to TFC products and servic-es. Individuals using this data sheet must exercise their independent judgment in evaluating product selection and determining product appropriateness for their particular purpose and system requirements. TFCMAKES NO REPRESENTATIONS OR WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULARPURPOSE WITH RESPECT TO THE INFORMATION SET FORTH HEREIN OR THE PRODUCT(S) TO WHICH THE INFORMATION REFERS. ACCORDINGLY, TFC WILL NOT BE RESPONSIBLE FOR DAM-AGES (OF ANY KIND OR NATURE, INCLUDING INCIDENTAL, INDIRECT, OR CONSEQUENTIAL DAMAGES) RESULTING FROM THE USE OF OR RELIANCE UPON THIS INFORMATION.Patents and Patents Pending in the U.S. and foreign countries. Tyco reserves the right to change product designs and specifications without notice.
The Benefits of Solid-stateTechnology
Inductive proximity switches are solid-statesensors that detect the presence of a metallicobject without physically contacting the target.A ferrite core and coil are used to generate alow-energy magnetic field that oscillates at apredetermined frequency. When a metal targetenters the field, the field is dampened to thepoint that oscillations stop and the targetobject is detected.Because there is no contact, there is no needfor mechanical operators and the sensor canbe sealed more effectively against moistureand other environmental contaminants.
NoteMounting kit is ordered separately.
1.18[30 mm]
1.62[41.3 mm]
3.15[80 mm]
3.68[93.5 mm] 0.157 [4 mm]
4.41[112 mm]
1.14[29 mm]
1.81[46 mm]
0.157 [4 mm]
7/16 AF x 5/8 dia.[11 mm AF x 16 mm dia.]
0.98 [25 mm]
K-BLOCK Ordering InformationCurrent at 20C
Model Operating Max. Load Electrical ConnectionNumber Voltage Max. Inrush (per output) Leakage (Termination) OutputAC/DC Units792E-01 20-140 VAC 0.9 A for 20 ms 200 mA 0.8 mA 5-pin Mini N.O.
50-60 Hz 0.5 Hz10-140 VDC
792E-02 20-140 VAC 0.9 A for 20 ms 200 mA 0.8 mA 5-pin Micro AC N.O.50-60 Hz 0.5 Hz
10-140 VDC792E-04 20-250 VAC 2.2 A for 20 ms 350 mA AC
