• Siemens SIMATIC S7-1500 CM PtP Serial Communication Modules
1 1

Siemens SIMATIC S7-1500 CM PtP Serial Communication Modules

Siemens SIMATIC S7-1500 CM PtP Serial Communication Modules

CM PtP point-to-point communication modules for RS-232 and RS-422/485 serial connections, with SIPLUS variants and connecting cables.

Key features

  • RS-232 or RS-422/485 serial interfaces
  • Freeport, 3964(R) and USS protocols; HF adds Modbus RTU master/slave
  • BA up to 19.2 kbps; HF up to 115.2 / 250 kbps
  • SIPLUS versions for extended temperature and harsh environments
  • Pre-assembled point-to-point cables 5 m to 50 m

Specifications

Brand Siemens
Product line SIMATIC S7-1500
Category PLC Communication Modules
Series SIMATIC S7-1500 / ET 200MP
Variants listed 14
Source Siemens Catalog ST 70 · 2026, p. 980-1017
6ES7540-1AD01-0AA0 Item: CM PtP RS232 BA | Interface: RS-232, 9-pin D-sub | Protocols / length: Freeport, 3964(R), USS; 19.2 kbps | Version: Standard
6ES7541-1AD01-0AB0 Item: CM PtP RS232 HF | Interface: RS-232, 9-pin D-sub | Protocols / length: + Modbus RTU; 115.2 kbps | Version: Standard
6ES7540-1AB01-0AA0 Item: CM PtP RS422/485 BA | Interface: RS-422/485, 15-pin D-sub | Protocols / length: Freeport, 3964(R), USS; 19.2 kbps | Version: Standard
6ES7541-1AB01-0AB0 Item: CM PtP RS422/485 HF | Interface: RS-422/485, 15-pin D-sub | Protocols / length: + Modbus RTU; 250 kbps | Version: Standard
6AG1540-1AD01-7AA0 Item: SIPLUS CM PtP RS232 BA | Interface: RS-232, 9-pin D-sub | Protocols / length: Freeport, 3964(R), USS | Version: SIPLUS extreme
6AG1541-1AD01-7AB0 Item: SIPLUS CM PtP RS232 HF | Interface: RS-232, 9-pin D-sub | Protocols / length: + Modbus RTU | Version: SIPLUS extreme
6AG1540-1AB01-7AA0 Item: SIPLUS CM PtP RS422/485 BA | Interface: RS-422/485, 15-pin D-sub | Protocols / length: Freeport, 3964(R), USS | Version: SIPLUS extreme
6AG1541-1AB01-7AB0 Item: SIPLUS CM PtP RS422/485 HF | Interface: RS-422/485, 15-pin D-sub | Protocols / length: + Modbus RTU | Version: SIPLUS extreme
6ES7902-1AB00-0AA0 Item: PtP cable RS-232 | Interface: 9-pin D-sub | Protocols / length: 5 m | Version: Cable
6ES7902-1AC00-0AA0 Item: PtP cable RS-232 | Interface: 9-pin D-sub | Protocols / length: 10 m | Version: Cable
6ES7902-1AD00-0AA0 Item: PtP cable RS-232 | Interface: 9-pin D-sub | Protocols / length: 15 m | Version: Cable
6ES7902-3AB00-0AA0 Item: PtP cable RS-422 | Interface: 15-pin D-sub | Protocols / length: 5 m | Version: Cable
6ES7902-3AC00-0AA0 Item: PtP cable RS-422 | Interface: 15-pin D-sub | Protocols / length: 10 m | Version: Cable
6ES7902-3AG00-0AA0 Item: PtP cable RS-422 | Interface: 15-pin D-sub | Protocols / length: 50 m | Version: Cable
PLC Communication ModulesSiemens
14 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
RFQ List 0 Email about this

Need a different model, or a part not listed here? Send us your parts list →

Siemens SIMATIC S7-1500 CM PtP Serial Communication Modules

Brand Siemens·PLC Communication Modules

Available part numbers (14)

6ES7540-1AD01-0AA0, 6ES7541-1AD01-0AB0, 6ES7540-1AB01-0AA0, 6ES7541-1AB01-0AB0, 6AG1540-1AD01-7AA0, 6AG1541-1AD01-7AB0, 6AG1540-1AB01-7AA0, 6AG1541-1AB01-7AB0, 6ES7902-1AB00-0AA0, 6ES7902-1AC00-0AA0 + 4 more — see full table ↓

How to order

Send the Siemens part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

RFQ List 0 →
View full details
Product codes & specifications
0 selected
RFQ List (0)
Product codeSpec
6ES7540-1AD01-0AA0Item: CM PtP RS232 BA | Interface: RS-232, 9-pin D-sub | Protocols / length: Freeport, 3964(R), USS; 19.2 kbps | Version: Standard
6ES7541-1AD01-0AB0Item: CM PtP RS232 HF | Interface: RS-232, 9-pin D-sub | Protocols / length: + Modbus RTU; 115.2 kbps | Version: Standard
6ES7540-1AB01-0AA0Item: CM PtP RS422/485 BA | Interface: RS-422/485, 15-pin D-sub | Protocols / length: Freeport, 3964(R), USS; 19.2 kbps | Version: Standard
6ES7541-1AB01-0AB0Item: CM PtP RS422/485 HF | Interface: RS-422/485, 15-pin D-sub | Protocols / length: + Modbus RTU; 250 kbps | Version: Standard
6AG1540-1AD01-7AA0Item: SIPLUS CM PtP RS232 BA | Interface: RS-232, 9-pin D-sub | Protocols / length: Freeport, 3964(R), USS | Version: SIPLUS extreme
6AG1541-1AD01-7AB0Item: SIPLUS CM PtP RS232 HF | Interface: RS-232, 9-pin D-sub | Protocols / length: + Modbus RTU | Version: SIPLUS extreme
6AG1540-1AB01-7AA0Item: SIPLUS CM PtP RS422/485 BA | Interface: RS-422/485, 15-pin D-sub | Protocols / length: Freeport, 3964(R), USS | Version: SIPLUS extreme
6AG1541-1AB01-7AB0Item: SIPLUS CM PtP RS422/485 HF | Interface: RS-422/485, 15-pin D-sub | Protocols / length: + Modbus RTU | Version: SIPLUS extreme
6ES7902-1AB00-0AA0Item: PtP cable RS-232 | Interface: 9-pin D-sub | Protocols / length: 5 m | Version: Cable
6ES7902-1AC00-0AA0Item: PtP cable RS-232 | Interface: 9-pin D-sub | Protocols / length: 10 m | Version: Cable
6ES7902-1AD00-0AA0Item: PtP cable RS-232 | Interface: 9-pin D-sub | Protocols / length: 15 m | Version: Cable
6ES7902-3AB00-0AA0Item: PtP cable RS-422 | Interface: 15-pin D-sub | Protocols / length: 5 m | Version: Cable
6ES7902-3AC00-0AA0Item: PtP cable RS-422 | Interface: 15-pin D-sub | Protocols / length: 10 m | Version: Cable
6ES7902-3AG00-0AA0Item: PtP cable RS-422 | Interface: 15-pin D-sub | Protocols / length: 50 m | Version: Cable

Need a different model, or a part not listed here? Send us your parts list →

Related products

All Controllers & Meters →