Siemens SIMATIC S7-1500 Automation System

Module overview
3.9 Communication modules
S7-1500 Automation System
28 System Manual, 01/2013, A5E03461182-01
3.9 Communication modules
Overview of properties
The table below shows the essential properties of the communication modules.
Table 3- 10 Communication modules for point-to-point linking
Order no.: 6ES7540-1AD00-0AA0 6ES7540-1AB00-0AA0 6ES7541-1AD00-0AB0 6ES7541-1AB00-0AB0
Short description CM PtP RS232 BA CM PtP RS422/485 BA CM PtP RS232 HF CM PtP RS422/485 HF
Interface RS232 RS422/485 RS232 RS422/485
Data transmission
rate
300 to 19 200 bps 300 to 19 200 bps 300 to 115,200 bps 300 to 115,200 bps
Frame length, max. 1 KB 1 KB 4 KB 4 KB
Diagnostic error
interrupt
Yes Yes Yes Yes
Hardware interrupt No No No No
Isochronous
operation supported
No No No No
Supported protocols Freeport,
3964 (R)
Freeport,
3964 (R)
Freeport,
3964 (R),
Modbus RTU master,
Modbus RTU slave
Freeport,
3964 (R),
Modbus RTU master,
Modbus RTU slave
Table 3- 11 Communication modules for PROFIBUS and PROFINET
Order no.: 6EGK542-5DX00-0XE0 6EGK543-1AX00-0XE0
Short description CM 1542-5 CP 1543-1
Bus system PROFIBUS PROFINET
Interface RS485 RJ45
Data transmission
rate
9600 bps to 12 Mbps 10/100/1000 Mbps
Functionality and
supported protocols
DPV1 master/slave, S7 communication,
PG/OP communication, Open User
communication
ISO and TCP/IP with SEND/RECEIVE and
FETCH/WRITE interface, UDP, TCP,
S7 communication with/without RFC 1006,
IP multicast, Web diagnostics,
FDP Client/Server, SNMP, DHCP, E-mail
Diagnostic error
interrupt
Yes Yes
Hardware interrupt No No
Isochronous
operation supported
No No
Reference
Further information on the technical specifications of the modules may be found in the
respective manuals.