Siemens Simatic S7 Series System Manual

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

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.