Profibus Communication Module

Siemens 6GK7242-5DX30-0XE0 is a communication module designed for the SIMATIC S7-1200 programmable logic controller. Its official designation is CM 1242-5. This module enables the S7-1200 to connect to PROFIBUS DP networks as a slave device (DP slave), facilitating integration into industrial automation systems that use PROFIBUS for fieldbus communication.

Key Features

• Module Type: CM 1242-5 (Communication Module)

• Function: PROFIBUS DP Slave

• Supported Protocols: PROFIBUS DP (DPV0 and DPV1)

• Transmission Rate: 9.6 kbit/s to 12 Mbit/s

• Interfaces:

  • PROFIBUS Interface: 1 × 9-pin Sub-D socket (RS485)

  • Industrial Ethernet Interfaces: 0

• Supply Voltage: 5 V DC (from the S7-1200 backplane bus)

• Current Consumption: Typical 0.15 A (from backplane bus at 5 V DC)

• Power Loss: 0.75 W

• Data Area (as DP Slave):

  • Inputs: Up to 240 bytes

  • Outputs: Up to 240 bytes

• Maximum Modules per CPU: 3

• Operating Temperature:

  • Vertical Installation: 0 to 45 °C

  • Horizontal Installation: 0 to 55 °C

• Storage/Transport Temperature: -40 to +70 °C

• Relative Humidity: Up to 95% at 25 °C (non-condensing)

• Protection Class: IP20

• Dimensions: 30 mm (width) × 100 mm (height) × 75 mm (depth)

• Net Weight: 0.115 kg (115 g)

• Mounting: 35 mm DIN rail or wall mounting

• Configuration Software: STEP 7 Basic/Professional V11 (TIA Portal) or higher

• Certifications: RoHS, REACH compliant

Applications

• Integration of SIMATIC S7-1200 PLCs into PROFIBUS DP networks as a slave device

• Industrial automation and process control systems requiring PROFIBUS DP connectivity

• Fieldbus communication in manufacturing, process, and building automation