• Siemens SIMATIC S7-1200 PROFIBUS CM 1242-5 / CM 1243-5 & accessories
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Siemens SIMATIC S7-1200 PROFIBUS CM 1242-5 / CM 1243-5 & accessories

Siemens SIMATIC S7-1200 PROFIBUS CM 1242-5 / CM 1243-5 & accessories

PROFIBUS DP slave and DPV1 master communications modules for SIMATIC S7-1200 with matching connection accessories.

Key features

  • CM 1242-5: S7-1200 as PROFIBUS DP slave
  • CM 1243-5: S7-1200 as PROFIBUS DPV1 master
  • FastConnect RS485 plugs with/without PG interface, up to 12 Mbps
  • PROFIBUS FC standard cable and stripping tool
  • PROFIBUS bus terminal 12M

Specifications

Brand Siemens
Product line SIMATIC
Series SIMATIC S7-1200
Network PROFIBUS
Transmission rate Up to 12 Mbps
Mounting Left of the S7-1200 CPU
Engineering STEP 7 (TIA Portal)
Source Siemens Catalog ST 70 · 2026, p. 293-302
6GK7242-5DX30-0XE0 Item: CM 1242-5 communications module | Detail: PROFIBUS DP slave
6GK7243-5DX30-0XE0 Item: CM 1243-5 communications module | Detail: PROFIBUS DPV1 master
6ES7972-0BA52-0XA0 Item: FastConnect RS485 plug 90° | Detail: Without PG interface
6ES7972-0BB52-0XA0 Item: FastConnect RS485 plug 90° | Detail: With PG interface
6XV1830-0EH10 Item: PROFIBUS FC standard cable | Detail: 2-core shielded, sold by the meter
6GK1905-6AA00 Item: FastConnect stripping tool | Detail: For PROFIBUS FC bus cable
6GK1500-0AA10 Item: PROFIBUS bus terminal 12M | Detail: Up to 12 Mbps, with connecting cable
PLC Communication ModulesSiemens
7 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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Siemens SIMATIC S7-1200 PROFIBUS CM 1242-5 / CM 1243-5 & accessories

Brand Siemens·PLC Communication Modules

Available part numbers (7)

6GK7242-5DX30-0XE0, 6GK7243-5DX30-0XE0, 6ES7972-0BA52-0XA0, 6ES7972-0BB52-0XA0, 6XV1830-0EH10, 6GK1905-6AA00, 6GK1500-0AA10

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.

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Product codes & specifications
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Product codeSpec
6GK7242-5DX30-0XE0Item: CM 1242-5 communications module | Detail: PROFIBUS DP slave
6GK7243-5DX30-0XE0Item: CM 1243-5 communications module | Detail: PROFIBUS DPV1 master
6ES7972-0BA52-0XA0Item: FastConnect RS485 plug 90° | Detail: Without PG interface
6ES7972-0BB52-0XA0Item: FastConnect RS485 plug 90° | Detail: With PG interface
6XV1830-0EH10Item: PROFIBUS FC standard cable | Detail: 2-core shielded, sold by the meter
6GK1905-6AA00Item: FastConnect stripping tool | Detail: For PROFIBUS FC bus cable
6GK1500-0AA10Item: PROFIBUS bus terminal 12M | Detail: Up to 12 Mbps, with connecting cable

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

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