S7-1200 Communication Modules
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S7-1200 Communication ModulesSiemens 6GK7243-1BX30-0XE0 SIMATIC S7-1200 CP 1243-1 Ethernet / Telecontrol Communications Processor
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S7-1200 Communication ModulesSiemens 6GK7277-1AA10-0AA0 SIMATIC CSM 1277 Compact Switch Module (4 x RJ45, Unmanaged)
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S7-1200 Communication ModulesSiemens 6ES7241-1AH32-0XB0 SIMATIC S7-1200 CM 1241 RS232, 9-pole D-sub (pin), supports Freeport
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S7-1200 Communication ModulesSiemens 6ES7241-1CH30-1XB0 SIMATIC S7-1200 CB 1241 RS485, terminal block, supports Freeport
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S7-1200 Communication ModulesSiemens 6ES7241-1CH32-0XB0 SIMATIC S7-1200 CM 1241 RS422/485 Communication Module (Modbus RTU)
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