Siemens Communication module CM 1542


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The communication modules are ideal for use in all areas of automation. Their especially compact design and high degree of protection permits the devices to be used in harsh automation environments and wherever space is restricted. From production to logistics, communication modules allow you to connect SIMATIC Ident systems to SIMATIC controllers, PC-based systems or to controllers from third-party suppliers.

  • M12 connector concept
  • Comprehensive diagnostic functions for fast fault detection
  • Modular system integration with standard function blocks
  • Simple connection, thanks to support of Ident profile (PNO)
  • Access to configuration, commissioning, and diagnostic tools via TIA Portal using an “Ident” technology object
  • Seamless integration from the field level to the cloud-based, open IoT operating system MindSphere



Transfer rate: 9.6 kbit/s ... 12 Mbit/s

Type of electrical connection: 9-pin Sub-D socket (RS485)

Supply voltage, current consumption, power loss: 15 V DC

Relative symmetrical tolerance / at DC:3 %

Consumed current: 0.2 A

Power loss: 3 W

Ambient storage temperature: -40 ... +70 °C

Transport storage temperature: -40 ... +70 °C

Relative humidity: 95 %

Protection class IP: IP20

Dimensions (W x H x D): 35x 142 x 129 mm

Weight: 0.4 kg

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