CPU 224 - GRAMgram.com.ph/wordpress2/wp-content/uploads/2013/05/CPU224.pdf · Page 125 Mar 2008...

24 Mar 2008 Siemens ITS

CPU 224 The compact high-performance CPU With 24 inputs/outputs on board Expandable with up to 7 expansion modules

Design

The CPU 224 is equipped with the following:

Integral 24 V encoder/load current supply:For direct connection of sensors and encoders. With 280 mA, output current can also be used as loadpower supply.

2 device versions:With different power supply and control voltages.

Integral digital inputs/outputs:14 inputs and 10 outputs.

1 communication interface:Optional As PPI interface with PPI protocol for programming functions, HMI functions (TD 200, OP),

S7-200 internal CPU/CPU communication (9.6/19.2/187.5 Kbit/s) or as MPI slave for dataexchange with MPI masters (S7-300/-400, OPs, TDs, pushbutton panels).

Freely-programmable interface (freeport) with interrupt facility for serial data exchange withthird-party devices, e.g. with ASCII protocol baud rates1.2/2.4/4.8/9.6/19.2/38.4/57.6/115.2 Kbit/s; PC/PPI cable can be used as RS 232/RS 485converter.

Mar 2008 Siemens ITS

Expansion bus:Connection of expansion modules (only EMs of the 22x series can be used).

Interrupt inputs:For extremely fast response to rising or falling edges of process signals.

Fast counters:6 fast counters (30 kHz), with parameterizable enable and reset input, can be used simultaneously as up anddown counters with 2 separate inputs or for connecting incremental encoders with 2 pulse trains(4x20 kHz) offset by 90o.

Problem-free expansion with digital and analog expansion modules (EM, optional). Simulator (optional):

For simulating the integral inputs and for testing the user program. Analog potentiometer:

2 analog potentiometer, can be conveniently used in everyday work as a setpoint encoder, e.g. for settingtimes.

Pulse outputs:2 high-frequency pulse outputs (max. 20 kHz); can be used for positioning tasks and for driving frequency-controlled motors and stepping motors via power circuitry.

Real-time clock:e.g. for assignment of time stamps to messages, for recording machine runtimes, or for time control ofprocesses.

EEPROM submodule (optional):For saving the complete STEP 7-Micro/WIN user program as well as other documents.For supporting the data logging function and recipe management.Permits fast changing of program (even without programming device) and additional program archiving.


Battery module for long-term backup:To increase the storage period up to typically 200 days. Without a battery module, user data (e.g. bitmemory states, data blocks, times, counts) are saved by an internal high-performance capacitor forapprox. 5 days. The program is always saved permanently (maintenance-free). The battery module isinserted into the slot for the memory submodule.

Device variantsVariant Supply voltage Input voltage Output voltage Output current•DC outputs 24 V DC 24 V DC 24 V DC 0.75 A, transistor•Relay outputs 85 … 264 V AC 24 V DC 24 V DC, 24 …

230 V AC2 A, relay


Function

Extensive instruction set:A large number of Basic operations such as binary logic operations, result allocation, save, count, create times, load, transfer,

compare, shift, rotate, create complement, call subprogram (with local variables) Integrated communication instructions (e.g., S7-200 communication (Network read NETR, Network write

NETW) or Freeport (Transmit XMT, Receive RCV)) User-friendly functions such as pulse-duration modulation, pulse sequence function, arithmetic functions,

floating-point arithmetic, PID closed-loop control, jump functions, loop functions and code conversionssimplify programming

Counting:User-friendly counting functions in conjunction with the integrated counters and special commands for high-speed counters open up new application areas for the user

Interrupt handling: Edge-triggered interrupts (activated by rising or falling edges of process signals on interrupt inputs)

support a rapid response to process events Time-controlled interrupts can be set at 1 ms increments from 1 ms to 255 ms Counter interrupts can be triggered when a setpoint is reached or when the direction of counting changes Communication interrupts make exchanging information with peripheral devices such as printers or bar

code readers quick and easy Direct interrogation and control of inputs/outputs:

Inputs and outputs can also be scanned and set directly independent of the cycle. The controller is then able torespond quickly to process events (e.g., direct resetting of outputs on the occurrence of an interrupt).


Password protection:The 3-level password protection concept effectively safeguards your know-how. The protection concept hasthe following options for access to the user program: Full access: the program can be altered as desired. Read-only: the program is protected against unauthorized changes. Testing, setting system

parameters and copying the program are possible. Complete protection: the program is protected against modification and unauthorized readout and

copying. Parameter settings are supported. Test and diagnostic functions:

User-friendly functions support testing and diagnostics: The entire program is executed and analyzed usinga definable number of cycles. Internal parameters such as bit memories, timers or counters, are logged in amax. of 124 cycles.

"Forcing” of inputs and outputs during test and diagnostic operation:Inputs and outputs can be set independently of cycle and thus permanently, for example, to test the userprogram.

Runtime edit:In RUN mode, programs can be edited and modified programs can be loaded into the CPU at the click of amouse, without having to interrupt the current program.

Additional mathematical modules such as SIN, COS, TAN, LN, EXP Data logging:

Time-controlled or event-controlled saving of data records on the EEPROM memory submodule, e.g.performance data, statistical data, fault/error messages, optionally with a time tag. The log file can betransferred at any time using the S7 Explorer in STEP 7-Micro/WIN


Recipe management:Recipes are defined and downloaded within the STEP 7-Micro/WIN project. For better memory utilization,the recipes are stored in the EEPROM memory submodule. The recipes can be modified and updatedonline.

Programming

The STEP 7-Micro/WIN32 V4 programming package permits complete programming of all S7-200CPUs.Note:The CPU 224 cannot be programmed using STEP 7-Micro/DOS. If programming is to take place via theserial interface of the PG/PC, the PC/PPI cable is required additionally. If the STEP 7 Micro/Win V4programming software is used, programming can take place via the SIMATIC CP 5511 or CP 5611 (seeSIMATIC NET) as well as via the MPI interface of the programming device. This increases the maximumpermissible transmission rate to 187.5 kbps.

Technical specifications


6ES7 214-1AD23-0XB0 6ES7 214-1BD23-0XB0Supply voltage24 V DC Yespermissible range, lower limit(DC)

20.4 V

permissible range, upperlimit (DC)

28.8 V

120 V AC Yes

Technical specifications

230 V AC YesLine frequency


•Frequency of the supplyvoltage

63 Hz

Load voltage L+•Rated value (DC) 24 V 24 V•permissible range, lower limit(DC)

20.4 V 5 V

•permissible range, upper limit(DC)

28.8 V 30 V

Load voltage L1•Rated value (AC) 100 V; 100 to 230 V AC•permissible range, lower limit(AC)

5 V

•permissible range, upper limit(AC)

250 V

•permissible frequency range,lower limit

47 Hz

•permissible frequency range,upper limit

63 Hz

Input currentInrush current, max. 12 A; at 28.8 V 20 A; at 264 Vfrom supply voltage L+, max. 700 mA; 110 to 700

mA, output current forexpansion modules(DC 5 V) 660 mA


from supply voltage L1, max. 200 mA; 30 to 100 mA(240 V); 60 to 200 mA(120 V); output current forexpansion modules (5 VDC) 600 mA

Encoder supply24 V encoder supply•24 V Yes; permissible range:

15.4 to 28.8 VYes; Permissible range:20.4 to 28.8 V

•Short-circuit protection Yes; electronic at 280mA

Yes; electronic at 280 mA

•Output current, max. 280 mA 280 mABackup batteryBattery operation•Backup time, max. 100 h; (min. 70 h at

40 °C); 200 days (typ.)with optional batterymodule

100 h; (min. 70 h at 40°C); 200 days (typ.) withoptional battery module

MemoryNumber of memory modules(optional)

1; pluggable memorymodule, contentidentical with integralEEPROM;

1; pluggable memorymodule, content identicalwith integral EEPROM;


; can additionally storerecipes, data logs andother files

; can additionally store recipes,data logs and other files

Data and program memory•Data memory, max. 8 Kibyte 8 Kibyte•Program memory, max. 12 Kibyte; 8 KB with

active run-time edit12 Kibyte; 8 KB with activerun-time edit

Backup•present Yes; Program: Entire

program maintenance-freeon integral EEPROM,programmable via CPU;data: Entire DB 1 loadedfrom PG/PCmaintenance-free onintegral EEPROM,current values of DB 1in RAM, retentivememory bits, timers,counters, etc.maintenance-free viahigh-performancecapacitor; optional batteryfor long-term buffering

Yes; Program: Entire programmaintenance-free on integralEEPROM, programmable viaCPU; data: Entire DB 1loaded from PG/PCmaintenance-free on integralEEPROM, current values ofDB 1 in RAM, retentivememory bits, timers, counters,etc. maintenance-free via high-performance capacitor; optionalbattery for long-term buffering


CPU processing timesfor bit operations, max. 0.22 µs 0.22 µsCounters, timers and theirretentivityS7 counter•Number 256 256•of which retentive with battery

• adjustableYes; via high-performancecapacitor or battery

Yes; via high-performancecapacitor or battery

• lower limit1 1

• upper limit256 256

•Counting range

• lower limit0 0

• upper limit32 767 32 767

S7 times•Number 256 256•of which retentive withbattery


• adjustableYes; via high-performance capacitor orbattery

Yes; via high-performancecapacitor or battery

• upper limit64 64

•Time range

• lower limit1 ms 1 ms

• upper limit54 min; 4 timers: 1 msto 30 s; 16 timers: 10ms to 5 min; 236timers: 100 ms to 54min

54 min; 4 timers: 1 ms to 30s; 16 timers: 10 ms to 5 min;236 timers: 100 ms to 54 min

Data areas and theirretentivityFlag•Number, max. 32 byte 32 byte•Retentivity available Yes; M 0.0 to M 31.7 Yes; M 0.0 to M 31.7•of which retentive withbattery

0 to 255, via high-performance capacitor orbattery, adjustable

0 to 255, via high-performancecapacitor or battery, adjustable

•of which retentive withoutbattery

0 to 112 in EEPROM,adjustable

0 to 112 in EEPROM,adjustable

6 Mar 2008 Siemens ITS

Hardware configurationExpansion devices, max. 7; Only expansion

modules of the S7-22xseries can be used. Dueto the limited outputcurrent, the use ofexpansion modules maybe limited.

7; Only expansion modules ofthe S7-22x series can be used.Due to the limited outputcurrent, the use of expansionmodules may be limited.

Connectable programmingdevices/PCs

SIMATIC PG/PC,standard PC

SIMATIC PG/PC, standard PC

Expansion modules•Analog inputs/outputs, max. 35; max. 28 inputs and

7 outputs (EM) or max.0 inputs and 14 outputs(EM)

35; max. 28 inputs and 7outputs (EM) or max. 0 inputsand 14 outputs (EM)

•Digital inputs/outputs, max. 168; max. 94 inputs and74 outputs (CPU + EM)

168; max. 94 inputs and 74outputs (CPU + EM)

•AS-Interface inputs/outputsmax.

62; AS-Interface A/Bslaves (CP 243-2)

62; AS-Interface A/B slaves(CP 243-2)

Digital inputsNumber/binary inputs 14 14m/p-reading Yes; optionally, per

groupYes; optionally, per group


Input voltage•Rated value, DC 24 V 24 V•for signal "0" 0 to 5 V 0 to 5 V

•for signal "1" min. 15 V min. 15 VInput current•for signal "1", typ. 2.5 mA 2.5 mAInput delay (for rated valueof input voltage)•for standard inputs

• ParameterizableYes; all Yes; all

• at "0" to "1", min.0.2 ms 0.2 ms

• at "0" to "1", max.12.8 ms 12.8 ms

•for interrupt inputs

• ParameterizableYes; I 0.0 to I 0.3 Yes; I 0.0 to I 0.3

•for counter/technologicalfunctions

• ParameterizableYes; (E0.0 to E1.5) 30kHz

Yes; (E0.0 to E1.5) 30 kHz


Cable length

•Cable length, shielded, max. 500 m; Standard input:500 m, high-speedcounters: 50 m

500 m; Standard input: 500 m,high-speed counters: 50 m

•Cable length unshielded,max.

300 m; not for high-speedsignals

300 m; not for high-speedsignals

Digital outputs

Number/binary outputs 10; Transistor 10; RelayFunctionality/short-circuitstrength

No; to be providedexternally

No; to be provided externally

Limitation of inductiveshutdown voltage to

1 W

Switching capacity of theoutputs•with resistive load, max. 0.75 A 2 A•on lamp load, max. 5 W 200 W; 30 W DC; 200 W AC

Output voltage•for signal "1", min. 20 V DC L+/L1Output current•for signal "1" rated value 750 mA 2 A

•for signal "0" residualcurrent, max.

10 µA 0 mA


Output delay with resistiveload•0 to "1", max. 15 µs; of the standard

outputs, max. (Q0.2 toQ1.1) 2 µs; of the pulseoutputs, max. (Q0.0 toQ0.1) 2 µs

10 ms; all outputs

•1 to "0", max. 130 µs; of the standardoutputs, max. (Q0.2 toQ1.1) 10 µs; of the pulseoutputs, max. (Q0.0 toQ0.1) 10 µs

10 ms; all outputs

Parallel switching of 2outputs•for increased power Yes NoSwitching frequency•of the pulse outputs, withresistive load, max.

20 kHz; Q0.0 to Q0.1 1 Hz

Aggregate current of outputs(per group)

• up to 40 °C, max.6 A 10 A

•horizontal installation


• up to 55 °C, max.6 A 10 A

Cable length•Cable length, shielded, max. 500 m 500 m•Cable length unshielded,max.

150 m 150 m

Relay outputsNumber of operating cycles 10 000 000; mechanically 10

million, at rated load voltage100,000

Analog inputsNumber of analogpotentiometers

2; Analog potentiometer;resolution 8 bit

2; Analog potentiometer;resolution 8 bit

EncoderConnectable encoders•2-wire BEROS Yes Yes

• permissible quiescentcurrent (2-wireBEROS), max.

1 mA 1 mA

1st interfaceType of interface Integrated RS 485

interfaceIntegrated RS 485 interface


Physics RS 485 RS 485Functionality•MPI Yes; As MPI slave for

data exchange with MPImasters (S7-300/S7-400CPUs, OPs, TDs, PushButton Panels); S7-200-internal CPU/CPUcommunication is possiblein the MPI network withrestrictions; transmissionrates: 19.2/187.5 kbit/s

Yes; As MPI slave for dataexchange with MPI masters(S7-300/S7-400 CPUs, OPs,TDs, Push Button Panels); S7-200-internal CPU/CPUcommunication is possible inthe MPI network withrestrictions; transmission rates:19.2/187.5 kbit/s

•PPI Yes; with PPI protocolfor program functions,HMI functions (TD 200,OP), S7-200-internalCPU/CPU communication; transmission rates9.6/19.2/187.5 kbit/s

Yes; with PPI protocol forprogram functions, HMIfunctions (TD 200, OP), S7-200-internal CPU/CPUcommunication ; transmissionrates 9.6/19.2/187.5 kbit/s

•Serial data exchange Yes; As freelyprogrammable interfacewith interrupt facility forserial data exchange withthird-party devices with

Yes; As freely programmableinterface with interrupt facilityfor serial data exchange withthird-party devices with ASCIIprotocol transfer rates:


MPI

•Transmission rate, max. 187.5 kbit/s 187.5 kbit/s

•Transmission rate, min. 19.2 kbit/s 19.2 kbit/s

Integrated Functions

ASCII protocol transferrates: 1.2 / 2.4 / 4.8 /9.6 / 19.2 / 38.4 / 57.6 /115.2 kbit/s; the PC/PPIcable can also be usedas RS232/RS485converter

1.2 / 2.4 / 4.8 / 9.6 / 19.2 /38.4 / 57.6 / 115.2 kbit/s; thePC/PPI cable can also be usedas RS232/RS485 converter

Number of counters 6; High-speed counters(30 kHz each), 32 bits(incl. sign), can be usedas up/down counters orfor connecting 2incremental encoderswith 2 pulse trains offsetby 90° (max. 20 kHz(A/B counters));parameterizable enableand reset input; interruptfacilities

6; High-speed counters (30 kHzeach), 32 bits (incl. sign), canbe used as up/down counters orfor connecting 2 incrementalencoders with 2 pulse trainsoffset by 90° (max. 20 kHz(A/B counters)); parameterizableenable and reset input; interruptfacilities (incl. call ofsubroutine with any content)when the setpoint is reached;


(incl. call of subroutinewith any content) when thesetpoint is reached; reversalin counting direction, etc.

reversal in countingdirection, etc.

Counter frequency (counter)max.

30 kHz 30 kHz

Number of alarm inputs 4; 4 rising edges and/or 4falling edges

4; 4 rising edges and/or 4falling edges

Number of pulse outputs 2; High-speed outputs, 20kHz, with interrupt option;pulse-width and frequencymodulation option

Limit frequency (pulse) 20 kHzGalvanic isolationGalvanic isolation digitalinputs

•between the channels Yes Yes•between the channels, ingroups of

6 and 8 6 and 8

Galvanic isolation digitaloutputs

•between the channels Yes; Optocoupler Yes; Relay


•between the channels, ingroups of

5 3 and 4

Permissible potentialdifferencebetween different circuits 500 V DC between 24 V

DC and 5 V DC500 V DC between 24 VDC and 5 V DC; 1500 VAC between 24 V DC and230 V AC

Ambient conditionsEnvironmental conditions For further environmental

conditions, see "AutomationSystem S7-200, SystemManual"

For further environmentalconditions, see "AutomationSystem S7-200, SystemManual"

Operating temperature•vertical installation, min. 0 °C 0 °C•vertical installation, max. 45 °C 45 °C•horizontal installation, min. 0 °C 0 °C•horizontal installation, max. 55 °C 55 °CAir pressure•permissible range, min. 860 hPa 860 hPa•permissible range, max. 1 080 hPa 1 080 hPa


Relative humidity•Operation, min. 5 % 5 %•Operation, max. 95 %; RH class 2 in

accordance with IEC 1131-295 %; RH class 2 inaccordance with IEC 1131-2

Degree and class ofprotectionIP20 Yes YesConfigurationprogramming•Programming language

• LADYes Yes

• FBDYes Yes

• STLYes Yes

•Command set Bit logic instructions,compare instructions, timerinstructions, counterinstructions, clockinstructions, transmissionsinstructions, table

Bit logic instructions,compare instructions, timerinstructions, counterinstructions, clockinstructions, transmissionsinstructions, table


instructions, logicinstructions, shift and rotateinstructions, conversioninstructions, program controlinstructions, interrupt andcommunications instructions,logic stack instructions,integer maths, floating-pointmath instructions, numericalfunctions

instructions, logicinstructions, shift and rotateinstructions, conversioninstructions, program controlinstructions, interrupt andcommunications instructions,logic stack instructions,integer maths, floating-pointmath instructions, numericalfunctions

•Program processing free cycle (OB 1), interrupt-controller, time-controlled (1to 255 ms)

free cycle (OB 1), interrupt-controller, time-controlled (1to 255 ms)

•Program organization 1 OB, 1 DB, 1 SDBsubroutines with/withoutparameter transfer

1 OB, 1 DB, 1 SDBsubroutines with/withoutparameter transfer

•Number of subroutines,max.

64 64

Know-how protection•User programprotection/passwordprotection

Yes; 3-stage passwordprotection

Yes; 3-stage passwordprotection


Connection methodPlug-in I/O terminals Yes YesDimensionsWidth 120.5 mm 120.5 mmHeight 80 mm 80 mmDepth 62 mm 62 mmWeightWeight, approx. 360 g 410 g

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