Siemens 6ES7137-6AA01-0BA0 SIMATIC ET200SP CM PTP Serial Communication Module

Basic Specifications

• Brand: Siemens
• Model: 6ES7137-6AA01-0BA0
• Series: SIMATIC ET200SP
• Type: CM PTP (Communication Module, Point-to-Point)
• Interfaces: RS-232, RS-422, RS-485 (software-selectable)
• Protocols:
  • FreePort (user-defined ASCII/binary)
  • 3964(R) (Siemens proprietary)
  • USS (drive communication)
  • MODBUS RTU (master/slave)
• Baud Rate: Max. 250 Kbit/s
• Compatibility: Base Unit Type A0
• Configuration: TIA Portal ≥ V17
• Isolation: Channel-to-bus galvanic isolation
• Protection Class: IP20
• Operating Temperature: -30°C ~ +60°C (horizontal)
• Dimensions (W×H×D): 15 × 73 × 58 mm
• Weight: Approx. 30g

Features & Benefits

• Multi-Interface Support: Covers RS-232/422/485, replacing multiple dedicated modules.
• Protocol Versatility: Works with custom FreePort and standard protocols (MODBUS RTU, USS).
• High-Speed Transmission: Up to 250 Kbit/s for fast data exchange.
• Compact & Tool-Free: 15mm width; push-in terminals for easy wiring.
• Diagnostics: Detects framing/parity/overrun errors and cable breaks.

Applications

• Connecting serial devices (printers, scanners, barcode readers) to PROFINET
• Communicating with third-party PLCs/RTUs via MODBUS RTU
• Controlling Siemens drives via USS protocol
• Integrating legacy RS-232/485 devices into modern PROFINET systems
• Data logging and serial data acquisition