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Product Introduction
The GE IC660TBD021 is a 16-circuit discrete I/O terminal assembly designed for use with the Genius I/O system from General Electric (GE). As part of the GE Fanuc automation product line, this terminal assembly provides a rugged and dependable interface for digital input/output devices in harsh industrial environments.
The IC660TBD021 model is a sink-type discrete I/O module, meaning it receives current from the field devices it is connected to. It is widely recognized for its flexible configuration, advanced diagnostics, and high reliability. The terminal assembly connects to a Genius Bus Interface Unit (BIU) and enables seamless communication with programmable logic controllers (PLCs), distributed control systems (DCS), and other automation equipment.
Due to its design and features, the IC660TBD021 is a staple in factory automation, process control systems, and various applications that require reliable discrete signal interfacing in distributed control architectures.
Product Specifications
| Parameter | Specification |
|---|---|
| Model Number | IC660TBD021 |
| Product Type | Discrete I/O Terminal Assembly (Sink type) |
| Number of Circuits | 16 Discrete Circuits |
| I/O Type | Discrete Input/Output (Configurable per circuit) |
| Input Voltage Range | 10 to 30 VDC (nominal 24 VDC) |
| Output Voltage Range | 10 to 30 VDC |
| Current Per Circuit | Up to 0.5 A (Sink) |
| Total Output Current | 4 A Max |
| Power Requirements | Supplied by external source (typically 24 VDC) |
| LED Indicators | Yes (per channel and module status) |
| Isolation | Optical Isolation between field and logic |
| Mounting | Panel/DIN Rail Mountable |
| Enclosure Type | Open-style terminal assembly |
| Environmental Rating | IP20 |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to +85°C |
| Relative Humidity | 5% to 95% non-condensing |
| Dimensions (W x H x D) | 150 x 145 x 60 mm |
| Weight | 0.59 kg |
| Agency Approvals | UL, CSA, CE |
| Compatible with | GE Genius BIU, Series 90-70, and PACSystems |
Product Applications
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Factory Automation
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The IC660TBD021 is used in automated production lines for discrete signal acquisition from sensors and actuators like limit switches, push buttons, and solenoids.
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Material Handling Systems
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Frequently installed in conveyor systems and automated storage/retrieval systems where real-time input/output control is critical.
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Energy and Utilities
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Ideal for power plant automation and substation control systems due to its robust design and electrical isolation.
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Chemical and Petrochemical Plants
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Used in hazardous environments to control valves and monitor safety interlocks with high reliability.
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Water/Wastewater Treatment
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Integrated into SCADA systems for the monitoring and control of pumps, gates, and alarms.
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Automotive Manufacturing
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Plays a role in assembly lines, robotics, and quality assurance systems by managing binary sensors and actuators.
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Product Advantages
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Flexible Configuration
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Each of the 16 circuits can be independently configured as input or output, providing great versatility in control system design.
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Reliable Industrial Design
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Built for use in industrial environments with high electrical noise, mechanical vibration, and temperature extremes.
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Sink-Type Operation
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Designed to meet the needs of control systems that require sinking discrete I/O, enhancing compatibility with many types of sensors and actuators.
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Integrated Diagnostics
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On-board LEDs provide at-a-glance module and point-level status, aiding in faster troubleshooting and maintenance.
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Field-Proven Durability
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Decades of use in the field have proven the long-term reliability and ruggedness of the IC660TBD021.
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High-Density I/O
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Allows connection of up to 16 points in a single compact module, reducing cabinet space requirements and wiring complexity.
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Seamless System Integration
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Compatible with GE Fanuc PLCs and Genius Bus communication networks, ensuring streamlined data exchange across the control system.
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Cost-Effective Deployment
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Reduces the need for separate input and output modules, lowering total system cost and simplifying inventory.
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Frequently Asked Questions (FAQs)
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What is the function of the IC660TBD021 terminal assembly?
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It provides a 16-point discrete I/O interface (sink-type) for field devices in a distributed control system.
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Can each point on the module be configured independently?
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Yes, each of the 16 circuits can be set as either an input or output, depending on the application.
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Is this module compatible with other GE Genius products?
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Yes, it integrates fully with Genius I/O networks and GE Series 90-70 or PACSystems controllers.
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What voltage range does this module support?
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It supports input and output voltages from 10 VDC to 30 VDC, typically operating at 24 VDC.
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Is the IC660TBD021 suitable for outdoor use?
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No, it is designed for indoor applications with an IP20 protection rating. It should be housed in a control panel or protected enclosure.
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What type of wiring is required for this terminal assembly?
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Standard industrial-grade wiring is used; connections are made to screw terminals on the module.
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Does this module offer fault detection?
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Yes, the module includes diagnostic LEDs and communicates fault conditions to the controller.
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How is the module mounted?
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It can be panel-mounted or installed on a DIN rail, depending on system design preferences.
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What is the current handling capability of the module?
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Each circuit can handle up to 0.5 A, with a total output current of 4 A across all channels.
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What environments can it be used in?
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It operates reliably in industrial environments with 0°C to 60°C temperature range and high humidity (up to 95% non-condensing).
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Related or Same-Series Models
| Model | Description | Key Features |
|---|---|---|
| IC660TBD100 | 16-Circuit Source I/O Terminal Assembly | Source type version of IC660TBD021 |
| IC660BBD021 | Block I/O Discrete Sink I/O | Integrated electronics and terminal block |
| IC660TBD110 | 32-Circuit Discrete I/O Terminal Assembly | Higher density terminal assembly |
| IC660TBD025 | 8-Circuit Isolated I/O Terminal Assembly | Offers isolation per point |
| IC660ELB912 | Electronic Assembly for IC660TBD021 | Replacement control electronics |
| IC660TSD020 | Thermocouple/RTD Input Terminal Assembly | Analog input module for temperature sensors |
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