Siemens SIMATIC CM 1241 – 6ES7241‑1CH32‑0XB0, RS‑422/485 Communication Module, 9‑pin D‑Sub, Freeport Support

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SIEMENS
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  • Enables RS?422/485 serial communication for SIMATIC S7?1200 PLCs
  • 9?pin D?Sub socket with Freeport protocol and ASCII support
  • Supports Modbus?RTU (master/slave), USS, and 3964?(R) protocols
  • Powered via PLC backplane: 24?V DC, max 220?mA, power loss approx. 1.1?W
  • Compact DIN?rail form factor, IP20 protection, operational temp ?20…+60?°C
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Description
Attribute Details
Module Type Communication Module CM 1241
Part Number 6ES7241‑1CH32‑0XB0
Interface RS‑422 / RS‑485, Freeport, Modbus RTU, ASCII, USS
Connector 9‑pin D‑Sub (socket)
Supply Voltage 24 V DC from PLC backplane
Current Consumption Max 220 mA
Power Dissipation Approx. 1.1 W
Ambient Temperature −20 to +60 °C
Humidity 5–95 % non‑condensing
Protection Rating IP20
Mounting DIN‑rail (mounts onto S7‑1200 CPU)
Diagnostics Status LED
Compatibility SIMATIC S7‑1200, S7‑300, S7‑1500 via Freeport

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