Description

The ABB 1TGE120028R0010 is a termination base (carrier module) designed to support CS31-compatible digital I/O modules—such as the CS31ICSI16N1 (16-channel isolated digital input) or CS31ICSO16N1 (16-channel relay output)—within ABB’s AC 800M distributed control system (DCS). This passive but critical component provides the mechanical mounting, electrical connectivity, and field-wiring interface required to integrate I/O modules into industrial control panels reliably and efficiently.

Identified by ABB’s standardized product code 1TGE120028R0010, this termination base features screw-type terminals for secure field wiring, eliminating the need for external terminal blocks and reducing installation errors. It is engineered for hot-swappable operation, allowing I/O modules to be replaced during live system operation—minimizing unplanned downtime in continuous processes like power generation, water treatment, or chemical manufacturing.

Mounted on a standard 35 mm DIN rail, the ABB 1TGE120028R0010 aligns with ABB’s modular I/O architecture and works in conjunction with CI854A or TK851V010 communication interfaces to form complete, scalable I/O clusters connected via the deterministic CS31 fieldbus.

Technical Specifications

Main Features and Advantages

✅ Universal compatibility: Supports all standard 16-channel CS31 digital I/O modules from ABB, ensuring flexibility in system design.

✅ Reduced wiring complexity: Integrated screw terminals are clearly labeled (e.g., “+24V”, “DI0”, “COM”), enabling faster, error-free field connections and simplifying troubleshooting.

✅ Hot-swap enabled: Technicians can replace faulty I/O modules without powering down the system—critical for applications requiring 24/7 availability.

✅ Robust mechanical design: Durable polycarbonate housing with secure snap-in latching ensures long-term retention of I/O modules, even in high-vibration environments.

✅ Full diagnostic visibility: Transparent front cover allows real-time monitoring of I/O module status LEDs (e.g., channel activity, bus communication, faults).

Application Field

The ABB 1TGE120028R0010 is widely deployed in:

• Thermal & Hydroelectric Power Plants: For interfacing boiler controls, turbine auxiliaries, and generator protection signals.

• Oil & Gas Facilities: In ESD (Emergency Shutdown) and F&G (Fire & Gas) systems where reliability and serviceability are paramount.

• Municipal Water/Wastewater: Connecting pump status, valve position feedback, and level switches in remote RTU cabinets.

• Mining & Minerals Processing: Supporting conveyor controls, crusher interlocks, and dust suppression systems in harsh conditions.

By standardizing I/O mounting across thousands of points, the 1TGE120028R0010 lowers engineering effort, accelerates commissioning, and enhances maintainability over the plant lifecycle.

Related Products

• CS31ICSI16N1: 16-channel isolated digital input module

• CS31ICSO16N1: 16-channel relay output module

• TK851V010 / CI854A: CS31 communication interface modules

• AM801: AC 800M controller rack

• TB850: Alternative termination base with fuse options

• System 800xA: ABB’s integrated automation platform for configuration and diagnostics

• SA811: Battery backup unit for configuration memory

Installation and Maintenance

? Installation Tips:

• Install on a clean, grounded DIN rail with no gaps between adjacent bases.

• Use ferrules on stranded wires for reliable screw-terminal connections.

• Torque terminals to 0.5–0.6 Nm to prevent loosening without damaging threads.

• Route signal cables away from high-power conductors to avoid EMI.

?️ Maintenance Guidance:

• Inspect terminals annually for signs of overheating (discoloration) or corrosion.

• Ensure the module latch mechanism operates smoothly; replace base if worn.

• Keep spare 1TGE120028R0010 units in stock—they are low-cost but essential for rapid I/O repairs.