Siemens Simatic S7 Series System Manual

Technical specifications
A.2 S7-200 SMART CPUs
S7-200 SMART
572 System Manual, 09/2015, A5E03822230-AC
Table A- 12 Communication
Technical data
Description
Number of ports Ethernet: 1
Serial ports: 1 (RS485)
Add-on serial ports: 1 (with optional RS232/485 signal board)
HMI device 4 per port : RS485, SB CM01(RS232/485 signal board)
8 per port: Ethernet
Programming device (PG)
Ethernet: 1
Connections Ethernet: 1 for programming device, 8 for HMIs, 8 for CPUs, 8 active GET/PUT, 8 pas-
sive GET/PUT
RS485: 4 for HMIs per port
CPUs (peer-to-peer)
Ethernet: 8
Data rates Ethernet: 10/100 Mb/s
RS485 system protocols: 9600, 19200, and 187500 b/s
RS485 freeport: 1200 to 115200 b/s
Isolation (external signal to PLC
logic)
Ethernet: Transformer isolated, 1500 V AC
RS485: none
Cable type Ethernet: CAT5e shielded
RS485: PROFIBUS network cable
Table A- 13 Power supply
Technical data
CPU ST20 DC/DC/DC
CPU SR20 AC/DC/Relay
Voltage range
20.4 to 28.8 V DC
85 to 264 V AC
Line frequency
--
47 to 63 Hz
Input current CPU only at
max. load
160 mA at 24 V DC (without driving 300
mA sensor power)
430 mA at 24 V DC (with driving 300 mA
sensor power)
210 mA at 120 V AC (with 300 mA power
sensor output)
90 mA at 120 V AC (without 300 mA power
sensor output)
120 mA at 240 V AC (with 300 mA power
sensor output)
60 mA at 240 V AC (without 300 mA power
sensor output)
CPU with all
expansion
accessories
at max. load
720 mA at 24 V DC 290 mA at 120 V AC
170 mA at 240 V AC
Inrush current (max.)
11.7 A at 28.8 V DC
9.3 A at 264 V AC
Isolation (input power to logic)
--
1500 V AC
Ground leakage, AC line to func-
tional earth
-- 0.5 mA max.
Hold up time (loss of power) 20 ms at 24 V DC 30 ms at 120 V AC
200 ms at 240 V AC
Internal fuse, not user replacea-
ble
3 A, 250 V slow blow 3 A, 250 V, slow blow

Siemens Simatic S7 Series Specifications

General

CPU	Varies by model (e.g., S7-300, S7-400, S7-1200, S7-1500)
Communication Interfaces	PROFIBUS, PROFINET, Ethernet, MPI
Programming	TIA Portal, STEP 7
Programming Languages	LAD, FBD, STL, SCL, GRAPH
I/O Modules	Digital, Analog, Specialty modules available
Operating Temperature	0°C to 60°C (standard models)
Mounting	DIN rail mounting
Operating Voltage	24V DC or 120/230V AC (varies by model)
Protection Class	IP20 (standard models)
Memory	Varies depending on the S7 model. Includes work memory (RAM) for program execution, load memory (EEPROM or Flash) for program storage, and system memory for operating system functions. Memory sizes range from kilobytes to megabytes.