Communication Modules - Siemens SIMATIC S7-1500 System Manual

3.10

Communication modules

Overview of properties
The table below shows the essential properties of the communication modules.
Table 3- 14 Communication modules for point-to-point linking
Part number: 6ES7540-1AD00-0AA0 6ES7540-1AB00-0AA0 6ES7541-1AD00-0AB0 6ES7541-1AB00-0AB0
Short description
Interface RS232
Data transmission 300 to 19 200 bps
rate
Frame length, max. 1 KB
Diagnostics interrupt Yes
Hardware interrupt No
Isochronous No
operation supported
Supported protocols Freeport,
3964 (R)
S7-1500 Automation System
System Manual, 02/2014, A5E03461182-AB
CM PtP RS232 BA CM PtP RS422/485 BA
RS422/485
300 to 19 200 bps
1 KB
Yes
No
No
Freeport,
3964 (R)
3.10 Communication modules
CM PtP RS232 HF
RS232
300 to 115 200 bps
4 KB
Yes
No
No
Freeport,
3964 (R),
Modbus RTU master,
Modbus RTU slave
Module overview
CM PtP RS422/485 HF
RS422/485
300 to 115 200 bps
4 KB
Yes
No
No
Freeport,
3964 (R),
Modbus RTU master,
Modbus RTU slave
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