6ES7211-0AA23-0XB0 CPU 221, DC PS, 6DI DC/4DO DC

6ES7211-0AA23-0XB0 CPU 221, DC PS, 6DI DC/4DO DC

Product Code: 6ES7211-0AA23-0XB0

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Artikelnummer 6ES7211-0AA23-0XB0
SIMATIC S7-200, CPU 221 COMPACT UNIT, DC POWER SUPPLY 6 DI DC/4 DO DC, 4 KB CODE/2 KB DATA,
Supply voltage
24 V DC Yes
permissible range, lower limit (DC) 20.4 V
permissible range, upper limit (DC) 28.8 V
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. 450 mA; 80 to 450 mA
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
Memory
Type of memory other
Number of memory modules (optional) 1; pluggable memory module, content identical with integral EEPROM; can additionally store recipes, data logs and other files
Data and program memory
● Data memory, max. 2 kbyte
● Program memory, max. 4 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
of which retentive with battery
— can be set 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
of which retentive with battery
— can be set 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
● Number, 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
Connectable programming devices/PCs SIMATIC PG/PC, standard PC
Digital inputs
Number of digital inputs 6; Integrated
m/p-reading 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 counter/technological functions
— Parameterizable Yes; (E0.0 to E0.5) 30 kHz
Cable length
● Cable length, shielded, max. 500 m; Standard input: 500 m, high-speed counters: 50 m
● Cable length unshielded, max. 300 m; not for high-speed signals
Digital outputs
Number of digital outputs 4; 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. 0.1 mA
Output delay with resistive load
● "0" to "1", max. 15 µs; of the standard outputs, max. (Q0.2 to Q0.3) 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 Q0.3) 100 µs; of the pulse outputs, max. (Q0.0 to Q0.1) 10 µs
Parallel switching of 2 outputs
● for increased power Yes
Switching frequency
● of the pulse outputs, with resistive load, max. 20 kHz; Q0.0 to Q0.1
Aggregate current of outputs (per group)
all mounting positions
— up to 40 °C, max. 3 A
horizontal installation
— up to 55 °C, max. 3 A
Relay outputs
● Max. number of relay outputs, integrated 0
Cable length
● Cable length, shielded, max. 500 m
● Cable length 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
1st interface
Interface type Integrated RS 485 interface
Physics RS 485
Functionality
● 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 kbit/s; the PC/PPI cable can also be used as RS232/RS485 converter
MPI
● Transmission rate, min. 19.2 kbit/s
● Transmission rate, max. 187.5 kbit/s
Integrated Functions
Number of counters 4; High-speed counters (30 kHz each), 32 bits (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.
Counter frequency (counter) 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
Galvanic isolation
Galvanic isolation digital inputs
● between the channels Yes
● between the channels, in groups of 2 and 4
Galvanic isolation digital outputs
● between the channels Yes; Optocoupler
● between the channels, in groups of 4
Permissible potential difference
between different circuits 500 V DC between 24 V DC and 5 V DC
Degree and class of protection
IP20 Yes
Ambient conditions
Environmental conditions For further environmental conditions, see "Automation System S7-200, System Manual"
Operating temperature
● horizontal installation, min. 0 °C
● horizontal installation, max. 55 °C
● vertical installation, min. 0 °C
● vertical installation, max. 45 °C
Air pressure
● permissible range, min. 860 hPa
● permissible range, max. 1 080 hPa
Relative humidity
● Operation, min. 5 %
● Operation, max. 95 %; RH class 2 in accordance with IEC 1131-2
Configuration
programming
● 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
last modified: 08.09.2014

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