IC660BRD020 GE Fanuc Genius I/O Datasheet & Technical Manual

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GE Fanuc IC660BRD020 Genius I/O Block The GE Fanuc IC660BRD020, also cataloged as the IC660BRD020 DC Source I/O Block, operates...

SKU: IC660BRD020

Manufacturer: GE Fanuc
Product No.: IC660BRD020
Product Type: GE Fanuc Genius I/O
Product Origin: USA
Payment:T/T, Western Union
Weight: 1460g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

GE Fanuc IC660BRD020 Genius I/O Block

The GE Fanuc IC660BRD020, also cataloged as the IC660BRD020 DC Source I/O Block, operates as a dedicated hardware component for decentralized control and multi-circuit signal interface management within Genius Bus network platforms. The hardware functions as a standalone, rackless processing node executing binary signal acquisition and power distribution natively over a transformer-isolated serial network. Each of its 16 integrated circuits can be configured independently via software to function as either a discrete current-sourcing input or a current-sourcing output across nominal 24 V DC or 48 V DC loop supplies.

Hardware Specifications

Parameter	Specification
Model	IC660BRD020
Brand	GE Fanuc (Emerson Automation)
Origin	United States
Weight	1.46 kg (3.22 lbs)
Dimensions	32 mm x 125 mm x 105 mm
Operating Temp	-20 to +60 deg C
Power Consumption	Dependent on configuration (15.0 A maximum total block current)
Number of Circuits	16 (Individually configurable as Input or Output)
Nominal Operating Voltage	24 V DC / 48 V DC
Input Voltage Range	18 to 56 V DC
Output Current Limit	2.0 A maximum per individual circuit
Network Interface	Genius Bus (Serial, transformer-isolated)
Diagnostics	Short circuit, overload, no-load, and overtemperature detection
Redundancy Support	Dual-bus and "T" configuration compatible
Protection Class	IP20

Firmware Flash Compatibility and Backplane Bus Velocity

The GE Fanuc IC660BRD020 handles internal register execution and serial protocol encoding through an integrated microcontroller design that maintains firmware flash compatibility with specific Genius Bus master controller configurations. Because the block operates as a rackless network component, it communicates directly with the host system without relying on local backplane bus communication velocity licenses.

The embedded communication block modulates data packages directly onto a twisted-pair transmission line via transformer isolation. This electrical structure permits strict synchronization of input/output data images while maintaining a high degree of isolation against common-mode noise transients, ensuring consistent register state validation across the multi-drop network.

Frequently Asked Questions

Q: How does the "T" output configuration function when implementing hardware redundancy with the IC660BRD020?

A: The "T" output configuration allows the physical output circuits of two separate IC660BRD020 blocks to be wired in parallel to a single field load. If one block faces an internal diagnostic trip or power loss, the parallel block continues to source up to 2.0 A of current to the field actuator, preventing process disruption.

Q: What diagnostic flags are transmitted across the Genius Bus if an individual circuit experiences an overtemperature condition?

A: Internal thermal sensors continuously track junction temperatures. When an overload causes a circuit to exceed safe limits, the block isolates that specific circuit, activates the localized diagnostic logic registers, and broadcasts an overtemperature fault packet across the Genius Bus to the master controller.

Q: Can the circuits of this module be modified to function as current sinking (negative logic) interfaces?

A: No. The internal output transistors and input detection circuits are hardwired exclusively for DC sourcing (positive logic) execution. All connected field loads must be referenced to the negative return rail of the 24/48 V DC power system.

Field Installation Guidelines

Isolate and lock out all external 24 V DC and 48 V DC power sources feeding the block and the associated field actuators prior to terminating any conductor wires.
Mount the independent block chassis onto a flat vertical or horizontal surface inside a protective industrial enclosure using the integrated mounting brackets.
Keep individual field wiring conductors within standard gauge constraints, ensuring all connections to the terminal block are secure and free of exposed copper strands.
Install a matching line termination resistor across the physical ends of the serial Genius Bus twisted-pair network cable to avoid signal reflections.
Maintain a minimum separation of 30 cm between the serial communication cable and high-voltage AC power lines or variable speed drive conductors to prevent electromagnetic interference.

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