Product Overview (Introduction)
The GE IC660BBR100 Normally Closed Relay Output Block is a robust interface module that provides isolated NC relay outputs for PLCs. It allows safe and reliable control of industrial actuators, solenoids, and alarms while protecting the controller from electrical faults.
Normally closed output operation ensures devices remain in a safe state during power failures or system interruptions, making it suitable for critical process control applications. Its industrial-grade construction guarantees durability and consistent performance, even under challenging environmental conditions.
By integrating this module into GE PLC systems, industrial operators can achieve reliable and safe device control across a wide range of applications.
Technical Specifications
| Specification | Details |
|---|
| Manufacturer | GE |
| Model Number | IC660BBR100 |
| Module Type | Normally Closed Relay Output Block |
| Function | Electrically Isolated NC Relay Outputs |
| System Compatibility | GE Fanuc PLCs / IC660 I/O Racks |
| Installation | Rack or Chassis Mount |
| Output Type | Normally Closed Relay |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Dimensions | 224.4 mm × 88.9 mm × 100 mm |
| Weight | 1.72 kg (3.79 lb) |
Applications in Industrial Control Systems (Applications)
The GE IC660BBR100 Normally Closed Relay Output Block is designed to interface programmable logic controllers (PLCs) with field devices by providing isolated relay outputs. It is specifically used for controlling actuators, solenoids, and other devices requiring normally closed (NC) contact operation.
Common applications include:
-
Industrial automation for machine and process control
-
Oil & gas plants for valve and safety device control
-
Manufacturing lines for motor, pump, and conveyor actuation
-
Water and wastewater treatment facilities for solenoid and pump switching
-
Power generation plants for alarm and control circuits
-
Chemical processing plants for interlock and safety operations
By providing reliable normally closed outputs, this module ensures safe and predictable operation of critical devices in industrial systems.
Advantages and Operational Benefits (Advantages)
Electrically Isolated Relay Outputs
Protects PLCs from voltage spikes and electrical noise while driving field devices.
Normally Closed Operation
Ensures fail-safe operation in case of power loss, maintaining device safety.
High Reliability in Industrial Environments
Designed for continuous operation under vibration, temperature variation, and electrical interference.
Flexible Device Integration
Can drive a variety of field devices including solenoids, lamps, and actuators.
Robust Construction
Industrial-grade design ensures long-term durability and consistent performance.
Technical FAQs (Technical FAQs)
1. What is the primary function of the IC660BBR100 module?
It provides normally closed relay outputs to interface PLCs with external devices.
2. Which systems is it compatible with?
Compatible with GE Fanuc Series PLCs and IC660 I/O racks.
3. What types of devices can it control?
It can drive motors, solenoids, lamps, alarms, and other digital devices.
4. How does normally closed operation enhance safety?
Devices remain energized or in a safe state if power is lost, supporting fail-safe applications.
5. Is electrical isolation provided?
Yes. It isolates the PLC outputs from field circuits, protecting the controller.
6. Can it operate in harsh industrial environments?
Yes. Designed for vibration, temperature extremes, and electrical noise.
7. How is the module installed?
It is mounted in a GE IC660 I/O rack or PLC system chassis.
8. Does it support diagnostic monitoring?
Yes. Provides status indication for relay operation and fault conditions.
9. What is the advantage of using a dedicated relay output block?
Ensures safe and reliable actuation of external devices while protecting the control system.
10. Which industries commonly deploy this module?
Oil & gas, chemical processing, manufacturing, water treatment, power generation, and general industrial automation.
A DCS Q Co., Ltd. - PLC and DCS Industrial Control Equipment Wholesale
