Siemens Simatic S7 Series System Manual

PLC device configuration
6.1 Configuring the operation of the PLC system
S7-200 SMART
System Manual, 09/2015, A5E03822230-AC
143
6.1.14
Configuring the RS485/RS232 CM01 communications signal board
Click the CM01 communications signal board node of the system block (Page 115) dialog to
configure options for an RS485/RS232 CM01 communications signal board that you have
selected in the top section.
CM01 signal board type configuration
You configure the CM01 signal board type from the dropdown list, choosing one of the
following options:
● RS485
● RS232
Address
Click the scroll buttons to enter the desired port address (1-126).for the RS485 or RS232
port: The default port address is 2.
Baud rate
Choose the desired data baud rate from the dropdown list:
● 9.6 kbps
● 19.2 kbps
● 187.5 kbps

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.