Siemens PLC CPU 226

Siemens PLC CPU 226 6ES7216-2AD23-0XB0

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SIMATIC S7-200, CPU 226 Compact unit, DC power supply 24 DI DC/16 DO DC, 16/24 KB program./10 KB data, 2 PPI/user-programmable interface.

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Description

Siemens PLC CPU 226 6ES7216-2AD23-0XB0 

Siemens PLC CPU 226

Data Sheet:-

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 current, max. 10 A; at 28.8 V
from supply voltage L+, max. 1 050 mA; 150 mA to 1 050 mA output current for expansion modules (5 V DC)1 000 mA
Encoder supply
24 V encoder supply
● 24 V Yes; permissible range: 15.4 to 28.8 V
● Short-circuit protection Yes; electronic at 400 mA
● Output current, max. 400 mA
Power loss
Power loss, typ. 11 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) 24 kbyte; 16 KB with active run-time edit
● integrated (for data) 10 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. 100 h; (min. 70 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. 7; 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. 35; max. 28 inputs and 7 outputs (EM) or max. 0 inputs and 14 outputs (EM)
● Digital inputs/outputs, max. 148; max. 128 inputs and 120 outputs (CPU+EM)
● AS-Interface inputs/outputs, max. 62; AS-Interface A/B slaves (CP 243-2)
Digital inputs
Number of digital inputs 24
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 1.5) 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 16; 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. (Q 0.2 to Q 1.1) 2 µs; of the pulse outputs,

max. (Q 0.0 to Q 0.1) 2 µs
● “1” to “0”, max. 130 µs; of the standard outputs, max. (Q 0.2 to Q 1.1) 10 µs; of the pulse

outputs, max. (Q 0.0 to Q 0.1) 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. 6 A
horizontal installation
— up to 55 °C, max. 6 A
Relay outputs
● Number of relay outputs 0
Cable length
● shielded, max. 500 m
● unshielded, max. 150 m
Analog inputs
Number of analog potentiometers 2; 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
2. 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
Integrated Functions
Counter
● Number of counters 6; 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