Siemens Simatic S7 Series

Technical specifications
A.2 S7-200 SMART CPUs
S7-200 SMART
586 System Manual, 09/2015, A5E03822230-AC
Table A- 38 Communication
Technical data
Description
Number of ports Ethernet: 1
Serial ports: 1 (RS485)
Add-on serial ports: 1 (with optional RS232/485 signal board) on SR40/ST40 only
HMI device
1
4 per port
Programming device (PG)
Ethernet: 1
Connections Ethernet: 1 for programming device, 4 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 DC
RS485: none
Cable type Ethernet: CAT5e shielded
RS485: PROFIBUS network cable
Table A- 39 Power supply
Technical data
CPU ST40
DC/DC/DC
CPU SR40
AC/DC/Relay
CPU CR40
AC/DC/Relay
Voltage range
20.4 to 28.8 V DC
85 to 264 V AC
85 to 264 V AC
Line frequency
--
47 to 63 Hz
47 to 63 Hz
Input current (max.
load)
CPU only 190 mA at 24 V DC (with-
out driving 300 mA sensor
power)
470 mA at 24 V DC (with
driving 300 mA sensor
power)
130 mA at 120 V AC (with-
out driving 300 mA sensor
power)
250 mA at 120 V (with
driving 300 mA sensor
power)
80 mA at 240 V AC (with-
out driving 300 mA sensor
power)
150 mA at 240 V AC (with
driving 300 mA sensor
power)
130 mA at 120 V AC (with-
out driving 300 mA sensor
power)
250 mA at 120 V (with
driving 300 mA sensor
power)
80 mA at 240 V AC (with-
out driving 300 mA sensor
power)
150 mA at 240 V AC (with
driving 300 mA sensor
power)
CPU with all
expansion
accessories
680 mA at 24 V DC 300 mA at 120 V AC
190 mA at 240 V AC
--
Inrush current (max.)
11.7 A at 28.8 V DC
16.3 A at 264 V AC
7.3 A at 264 V AC
Isolation (input power to logic)
--
1500 V AC
1500 V AC
Ground leakage, AC line to func-
tional earth
-- 0.5 mA 0.5 mA