Description
Key Technical Specifications
| Parameter | IC660EBD024 |
|---|---|
| Manufacturer | GE Fanuc |
| Product Family | Genius I/O |
| Part Number | IC660EBD024 |
| Assembly Type | Electronics Assembly |
| Associated I/O Block | IC660BBD024 |
| Number of Circuits | 32 |
| I/O Type | 12/24 VDC Source I/O |
| Operating Voltage | 10–30 VDC |
| Maximum Output Current | 0.5 A/circuit |
| Maximum Total Output Current | 16 A |
| Block-to-Block Isolation | 850 V |
| Typical Supply Current | 150 mA |
| Maximum Supply Current | 300 mA |
| Operating Temperature | 0 to +60 °C |
| Storage Temperature | −40 to +100 °C |
| Relative Humidity | 5–95%, non-condensing |
| Maximum Heat Dissipation | 18 W |
| Approx. Weight | 1.8 kg |
The GE Genius I/O manual identifies IC660EBD024 as the electronics assembly for the 32-circuit 12/24 VDC source I/O block IC660BBD024.
Published technical data lists 10–30 VDC operation, 0.5 A maximum per output circuit, 16 A maximum total block output current, and 850 V block-to-block isolation.
Product Introduction
The GE Fanuc IC660EBD024 is the electronics assembly used with the Genius I/O IC660BBD024 32-circuit 12/24 VDC source I/O block. It interfaces a Genius controller with discrete field devices and supports configurable input/output circuits.
The assembly provides 0.5 A maximum output current per circuit and 16 A maximum total output current. Its 850 V block-to-block isolation and channel-level status/diagnostic functions support installation in legacy distributed I/O systems.

IC660EBD024

IC660EBD024
Installation & Configuration Guide
Stage 1 — Pre-Installation Preparation
Estimated time: 20–30 minutes
- Confirm the complete part number IC660EBD024.
- Verify that the installed system uses the IC660BBD024 Genius I/O block.
- Confirm the terminal assembly is IC660TBD024 if replacing only the electronics assembly.
- Record the Genius bus address and existing configuration.
- Photograph the existing wiring and terminal arrangement.
- Back up the applicable PLC/Genius configuration.
- Verify the field supply is within the documented 10–30 VDC operating range.
⚠️ Do not confuse IC660EBD024 with the complete IC660BBD024 block. They are separate catalog items.
Stage 2 — Removing the Existing Electronics Assembly
Estimated time: 15–25 minutes
- Place the controlled process in its approved shutdown state.
- Apply lockout/tagout to the applicable DC supply.
- Verify that field power is removed.
- Record the terminal and electronics assembly identification.
- Disconnect the electronics assembly from the terminal assembly according to the applicable Genius I/O procedure.
- Inspect the terminal assembly for damaged contacts or wiring.
- Retain the original electronics assembly until the replacement passes testing.
⚠️ Do not pull field wiring unnecessarily when replacing only the electronics assembly.
Stage 3 — Installing the
Estimated time: 20–30 minutes
- Confirm the replacement is specifically marked .
- Inspect the assembly for physical damage.
- Verify compatibility with the existing IC660TBD024 terminal assembly.
- Install the electronics assembly using the manufacturer’s mechanical procedure.
- Confirm the assembly is fully seated.
- Reconnect or verify the Genius communication connection.
- Verify the block address and configuration.
- Check field wiring against the photographs and maintenance records.
⚠️ The 0.5 A per-circuit specification is a maximum output rating, not a recommended continuous load for every application.
Stage 4 — Power-On & Testing
Estimated time: 30–60 minutes
- Energize the Genius I/O block according to the site commissioning procedure.
- Verify the block status indication.
- Confirm communication with the Genius bus controller.
- Check all configured input points.
- Test output points individually where the process permits.
- Verify output current remains within the applicable circuit and block limits.
- Check for switch-fault or other diagnostic indications.
- Confirm the PLC receives the expected I/O states.
- Perform a controlled process test.
- Record the installed electronics assembly revision and serial information.
FAQ
1. What is the ?
The is a GE Fanuc Genius I/O electronics assembly used for the 32-circuit 12/24 VDC source I/O block IC660BBD024.
2. Is the complete I/O block?
No. is the electronics assembly. The complete uses the electronics assembly together with the IC660TBD024 terminal assembly.
3. How many I/O points does it provide?
It provides 32 discrete I/O circuits. The documented block can configure individual circuits as inputs or outputs, with output feedback available when the block is configured as a combination I/O device.
4. What voltage does the use?
The associated 32-circuit source I/O assembly is designed for 12/24 VDC operation, with published technical data specifying a 10–30 VDC operating range.
5. What is the maximum output current?
The documented maximum is 0.5 A per circuit, with a 16 A maximum total block output current.
6. Can I replace with IC660EBD025?
They should not be treated as automatic substitutes. The GE Genius documentation associates , while IC660EBD025 is associated with the different BBD025 configuration. Verify the complete block, terminal assembly, voltage configuration, and field wiring before substitution.
7. Is still manufactured?
Current parts databases identify as discontinued by the manufacturer. It remains relevant for maintaining legacy Genius I/O installations, so procurement should specify the actual condition—New Original, New Surplus, Used Tested, or Refurbished—rather than simply “available.”

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