Siemens PLC CPU 222

Siemens PLC CPU 222 6ES7212-1AB23-0XB0

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***Spare part*** SIMATIC S7-200, CPU 222 Compact unit, DC power supply 8 DI DC/6 DO DC 4 KB progr./2 KB data, PROFIBUS DP expandable

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Siemens PLC CPU 222 6ES7212-1AB23-0XB0

Supply voltage
Rated value (DC)
● 24 V DC Yes
Load voltage L+
● Rated value (DC) 24 V
● permissible range, lower limit (DC) 20.4 V
● permissible range, upper limit (DC) 28.8 V
Input current inrush
h current, max. 10 A; at 28.8 from
m supply voltage L+, max. 500 mA; 85 mA to 500 mA, output current for expansion modules (5 V DC) 340mA
Encoder supply
24 V encoder supply
● 24 V Yes; permissible range: 15.4 to 28.8 V
● Short-circuit protection Yes; electronic at 600 mA
● Output current, max. 180 mA
Power loss
Power loss, typ. 5 W
Memory
Number of memory modules (optional) 1; pluggable memory module, content identical with integral EEPROM; can additionally store recipes, data logs and other files
Work memory
● integrated (for program) 4 kbyte
● integrated (for data) 2 kbyte
Backup
● present Yes; Program: Entire program maintenance-free on integral EEPROM, programmable via CPU; data: Entire DB 1 loaded from PG/PC maintenance-free on integral EEPROM, current values of DB 1 in RAM, retentive memory bits, timers, counters, etc. maintenance-free via high-performance capacitor; optional battery for long-term buffering
Battery
Backup battery
● Backup time, max. 50 h; (min. 8 h at 40 °C); 200 days (typ.) with optional battery module
CPU processing times
for bit operations, max. 0.22 µs
Counters, timers and their retentivity
S7 counter
● Number 256
Retentivity
— adjustable Yes; via high-performance capacitor or battery
— lower limit 1

 

— upper limit 256
Counting range
— lower limit 0
— upper limit 32 767
S7 times
● Number 256
Retentivity
— adjustable Yes; via high-performance capacitor or battery
— upper limit 64
Time range
— lower limit 1 ms
— upper limit 54 min; 4 timers: 1 ms to 30 s; 16 timers: 10 ms to 5 min; 236 timers: 100 ms to

54 min
Data areas and their retentivity
Flag
● Size, max. 32 byte
● Retentivity available Yes; M 0.0 to M 31.7
● of which retentive with battery 0 to 255, via high-performance capacitor or battery, adjustable
● of which retentive without battery 0 to 112 in EEPROM, adjustable
Hardware configuration
Number of expansion units, max. 2; Only expansion modules of the S7-22x series can be used. Due to the

limited output current, the use of expansion modules may be limited.
connectable programming devices/PCs SIMATIC PG/PC, standard PC
Expansion modules
● Analog inputs/outputs, max. 10; max. 8 inputs and 2 outputs (EM) or max. 0 inputs and 4 outputs (EM)
● Digital inputs/outputs, max. 78; max. 40 inputs and 38 outputs (CPU + EM)
● AS-Interface inputs/outputs, max. 62; AS-Interface A/B slaves (CP 243-2)
Digital inputs
Number of digital inputs 8
Source/sink input Yes; optionally, per group
Input voltage
● Rated value (DC) 24 V
● for signal “0” 0 to 5 V
● for signal “1” min. 15 V
Input current
● for signal “1”, typ. 2.5 mA
Input delay (for rated value of input voltage)
for standard inputs
— parameterizable Yes; all
— at “0” to “1”, min. 0.2 ms
— at “0” to “1”, max. 12.8 ms
for interrupt inputs
— parameterizable Yes; I 0.0 to I 0.3
for technological functions
— parameterizable Yes; (E 0.0 to E 0.5) 30 kHz
Cable length
● shielded, max. 500 m; Standard input: 500 m, high-speed counters: 50 m
● unshielded, max. 300 m; not for high-speed signals
Digital outputs
Number of digital outputs 6; Transistor
Short-circuit protection No; to be provided externally
Limitation of inductive shutdown voltage to 1 W
Switching capacity of the outputs
● with resistive load, max. 0.75 A
● on lamp load, max. 5 W
Output voltage
● for signal “1”, min. 20 V DC
Output current
● for signal “1” rated value 750 mA
● for signal “0” residual current, max. 10 µA
Output delay with resistive load

 

● “0” to “1”, max. 15 µs; of the standard outputs, max. (Q0.2 to Q0.5) 15 µs; of the pulse outputs,

max. (Q0.0 to Q0.1) 2 µs
● “1” to “0”, max. 130 µs; of the standard outputs, max. (Q0.2 to Q0.5) 100 µs; of the pulse

outputs, max. (Q0.0 to Q0.1) 10 µs
Parallel switching of two outputs
● for uprating Yes
Switching frequency
● of the pulse outputs, with resistive load, max. 20 kHz; Q0.0 to Q0.1
Total current of the outputs (per group)
all mounting positions
— up to 40 °C, max. 4.5 A
horizontal installation
— up to 55 °C, max. 4.5 A
Relay outputs
● Number of relay outputs 0
Cable length
● shielded, max. 500 m
● unshielded, max. 150 m
Analog inputs
Number of analog potentiometers 1; Analog potentiometer; resolution 8 bit
Encoder
Connectable encoders
● 2-wire sensor Yes
— permissible quiescent current (2-wire sensor), max. 1 mA
1. Interface
Interface type Integrated RS 485 interface
Protocols
● MPI Yes; As MPI slave for data exchange with MPI masters (S7-300/S7-400 CPUs,

OPs, TDs, Push Button Panels); S7-200-internal CPU/CPU communication is

possible in the MPI network with restrictions; transmission rates: 19.2/187.5

kbit/s
● PPI Yes; with PPI protocol for program functions, HMI functions (TD 200, OP), S7-

200-internal CPU/CPU communication ; transmission rates 9.6/19.2/187.5

kbit/s
● serial data exchange Yes; As freely programmable interface with interrupt facility for serial data

exchange with third-party devices with ASCII protocol transfer rates: 1.2 / 2.4 /

4.8 / 9.6 / 19.2 / 38.4 / 57.6 / 115.2 kbps; the PC/PPI cable can also be used as

RS 232/RS 485 converter
MPI
● Transmission rate, min. 19.2 kbit/s
● Transmission rate, max. 187.5 kbit/s
Integrated Functions
Counter
● Number of counters 4; High-speed counters (30 kHz each), 32 bit (incl. sign), can be used as

up/down counters or for connecting 2 incremental encoders with 2 pulse trains

offset by 90° (max. 20 kHz (A/B counters)); parameterizable enable and reset

input; interrupt facilities (incl. call of subroutine with any content) when the

setpoint is reached; reversal in counting direction, etc.
● Counting frequency, max. 30 kHz
Number of alarm inputs 4; 4 rising edges and/or 4 falling edges
Number of pulse outputs 2; High-speed outputs, 20 kHz, with interrupt option; pulse-width and frequency

modulation option
Limit frequency (pulse) 20 kHz
Potential separation
Potential separation digital inputs
● between the channels Yes
● between the channels, in groups of 4
Potential separation digital outputs
● between the channels Yes; Optocoupler
● between the channels, in groups of 6
Permissible potential difference
between different circuits 500 V DC between 24 V DC and 5 V DC
Degree and class of protection
IP degree of protection IP20
Ambient conditions
Ambient temperature during operation
● horizontal installation, min. 0 °C
● horizontal installation, max. 55 °C
● vertical installation, min. 0 °C
● vertical installation, max. 45 °C
Air pressure acc. to IEC 60068-2-13
● permissible range, lower limit 860 hPa
● permissible range, upper limit 1 080 hPa
Relative humidity
● Operation, min. 5 %
● Operation, max. 95 %; RH class 2 in accordance with IEC 1131-2
configuration / header
configuration / programming / header
● Command set Bit logic instructions, compare instructions, timer instructions, counter

instructions, clock instructions, transmissions instructions, table instructions,

logic instructions, shift and rotate instructions, conversion instructions, program

control instructions, interrupt and communications instructions, logic stack

instructions, integer maths, floating-point math instructions, numerical functions
● Program processing free cycle (OB 1), interrupt-controller, time-controlled (1 to 255 ms)
● Program organization 1 OB, 1 DB, 1 SDB subroutines with/without parameter transfer
● Number of subroutines, max. 64
Programming language
— LAD Yes
— FBD Yes
— STL Yes
Know-how protection
● User program protection/password protection Yes; 3-stage password protection
connection method
Plug-in I/O terminals No
Dimensions
Width 90 mm
Height 80 mm
Depth 62 mm
Weights
Weight, approx. 270 g