Siemens Simatic S7-1500/ET 200MP System Manual page 72

Communication modules for point-to-point connection
Short designation
Article number
High Feature (HF)
Basic (BA)
Manual
High Feature (HF)
Basic (BA)
Interface
Data transmission rate
High Feature (HF)
Basic (BA)
Frame length, max.
High Feature (HF)
Basic (BA)
Diagnostic interrupt
Hardware interrupt
Isochronous mode
Protocols
High Feature (HF)
Basic (BA)
Benefits
The communication modules point-to-point connection S7-1500 provide you with the
following advantages:
● Connection of legacy and external systems possible
● Connection of data readers or special sensors
● Can be used centrally in SIMATIC S7-1500 and in ET 200MP distributed I/O system
● Variety of physical interfaces, e.g. RS232 and RS422 or RS485
● Predefined protocols, e.g. 3964(R), Modbus RTU or USS
● Application-specific protocols based on Freeport (ASCII)
● Uniform programming interface for all modules
● Diagnostic interrupt for simple fault rectification
Automation system
System Manual, 12/2017, A5E03461182-AE
CM PtP RS232 HF
CM PtP RS232 BA
6ES7541-1AD00-0AB0
6ES7540-1AD00-0AA0
RS232
300 to 115 200 bps
300 to 19 200 bps
4 KB
1 KB
X
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---
Freeport, 3964 (R),
Modbus RTU master,
Modbus RTU slave
Freeport, 3964 (R)
System overview
3.7 Communication
CM PtP RS422/485 HF
CM PtP RS422/485 BA
6ES7541-1AB00-0AB0
6ES7540-1AB00-0AA0
RS422/485
300 to 115 200 bps
300 to 19 200 bps
4 KB
1 KB
X
---
---
Freeport, 3964 (R),
Modbus RTU master,
Modbus RTU slave
Freeport, 3964 (R)
71