Description

The General Electric IC660TBA021 is a Genius I/O terminal assembly specifically engineered to support RTD (Resistance Temperature Detector) input blocks within industrial automation architectures. Operating on a 24/48 Volts DC nominal supply range, this terminal assembly provides reliable signal termination and interfacing capabilities for demanding process control and data acquisition environments. It is designed to seamlessly integrate with compatible Genius network interface modules, such as QBIM and PCIM, facilitating robust distributed I/O communications across the plant floor.

This terminal assembly features six individual RTD input circuits organized into three isolated, independent groups of two circuits each. It natively supports multiple sensor types—including platinum, nickel, and copper RTDs—and performs internal linearization based on the selected sensor profile. Temperature data is processed and reported directly to the system CPU in engineering units, delivering high-resolution feedback in tenths of degrees Celsius or Fahrenheit, tenths of ohms, or raw counts.

Engineered for high reliability and ease of maintenance, the IC660TBA021 includes factory calibration, eliminating the need for periodic field calibration procedures. The unit incorporates comprehensive built-in diagnostic capabilities that actively monitor for open wires, input shorts, high and low input alarms, wiring errors, and external faults, ensuring fast troubleshooting and maximum system uptime.

Features

• Six RTD input circuits divided into three independent, isolated groups of two
• Compatible with 24/48 Volts DC input power and signal ranges
• Native support for platinum, nickel, and copper RTDs with automatic linearization
• Factory-calibrated design requiring no manual adjustments or field calibration
• Advanced onboard diagnostics for open wires, short circuits, wiring errors, and high/low alarms
• Designed for seamless integration with Genius network interface modules including QBIM and PCIM

Applications

• Distributed temperature monitoring and data acquisition
• Process control systems in chemical and petrochemical plants
• Power generation and turbine monitoring
• Manufacturing automation and environmental testing chambers

Technical Specifications

Connections / Interfaces

• Genius Bus Interface: Connects directly to compatible Genius block modules and network communication cards.
• Sensor Terminations: Secure screw terminal blocks for field-wiring connection of 2-wire, 3-wire, or 4-wire RTD inputs depending on configuration requirements.
• Group Isolation: Electrically isolated input groups to minimize ground loops and common-mode noise interference.

Installation Guidelines

Ensure all power to the Genius I/O block and associated terminal assemblies is disconnected before installation or removal.
Mount the terminal assembly securely to its designated panel or backplate following standard industrial enclosure guidelines.
Verify proper polarity and correct signal wiring for all RTD sensors prior to energizing the system.
Confirm network termination and address switch settings on the associated block module for proper communication on the Genius bus.