Description
The Schneider Electric T200 RTU COM CT00126-06 is a Modbus Master Communication Module designed for Schneider Electric Easergy T200 remote terminal units. It provides serial communication capability between the T200 RTU and external Modbus devices such as PLCs, protection relays, meters, and other automation equipment.
The CT00126-06 communication module enables the T200 system to operate as a Modbus master, allowing data acquisition and control exchange with connected slave devices through Modbus RTU communication. It is widely used in electrical distribution automation, substation monitoring, and remote control applications.

T200 RTU COM CT00126-06
⚙️ Product Features
• Designed for Schneider Electric Easergy T200 RTU systems.
• Provides Modbus Master communication functionality.
• Supports communication with external Modbus slave devices including PLCs, meters, and protection equipment.
• Supports serial communication interfaces such as RS-232 / RS-485 depending on system configuration.
• Enables remote monitoring, measurement collection, and control commands.
• Suitable for electrical distribution automation and substation applications.
• Provides reliable industrial communication for long-term field operation.
• Modular plug-in design for T200 RTU maintenance and replacement.
📋 Product Datasheet
| Parameter | Specification |
|---|---|
| Brand | Schneider Electric |
| Model | T200 RTU COM CT00126-06 |
| Series | Easergy T200 RTU |
| Product Name | Modbus Master Communication Module |
| Place of Manufacture | France |
| Product Status | Used / Tested Replacement Spare |
| Dimensions | Approx. 150 × 100 × 30 mm |
| Weight | Approx. 0.3 kg |
| Country of Origin | France |
| Power Requirements | 24 VDC via T200 RTU system |
| Discontinued | Legacy Easergy T200 communication module, supported through industrial spare channels |
❓ Frequently Asked Questions
🔹 Q: What is the main function of Schneider T200 CT00126-06?
A: The CT00126-06 provides Modbus master communication capability, allowing the Easergy T200 RTU to exchange data with external Modbus slave devices.
🔹 Q: Is CT00126-06 a PLC CPU module?
A: No. It is a communication module used for RTU networking and data exchange, not a standalone PLC processor.
🔹 Q: Which system uses this communication module?
A: It is designed for Schneider Electric Easergy T200I/T200E remote terminal units used in distribution automation systems.
🔹 Q: What devices can communicate with the T200 Modbus module?
A: Compatible devices include Modbus slave equipment such as protection relays, power meters, PLC controllers, and other intelligent electronic devices.
🔹 Q: What communication protocol does it support?
A: The module supports Modbus protocol communication, including master mode operation for polling connected slave devices.
🔹 Q: What should be checked before replacement?
A: Verify the T200 RTU model, communication configuration, firmware compatibility, connector type, and Modbus parameter settings before installation.
🔹 Q: What industries use this module?
A: Typical applications include electrical utilities, substations, distribution networks, industrial power systems, and remote monitoring installations.
⭐ Recommended Schneider Electric Related Models
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