Description
Key Technical Specifications
| Parameter | Value / Specification |
| Manufacturer | GE Fanuc / Emerson Automation |
| Part Number | IC660EBD025 |
| I/O Series | Genius I/O System |
| Operating Voltage | 115 VAC (47–63 Hz) / 125 VDC nominal |
| Block Type | Discrete Electronics Assembly |
| Isolation Rating | 1500 V RMS Channel-to-Bus / Channel-to-Ground |
| Bus Interface | Genius Serial Bus (153.6 kbaud / 76.8 kbaud / 38.4 kbaud) |
| Operating Temperature | 0 °C to +60 °C (32 °F to 140 °F) |
| Storage Temperature | −40 °C to +85 °C (−40 °F to 185 °F) |
| Mounting Assembly | Plugs directly into Genius Terminal Assembly Base |
| Diagnostics | Open wire, short circuit, overload, and loss of power detection |
Product Introduction & Supply Chain Strategy
The GE Fanuc IC660EBD025 is a smart discrete electronics block designed for GE Genius I/O distributed automation architectures. Powered via a 115 VAC or 125 VDC auxiliary bus, it manages high-speed discrete I/O signal processing, executes continuous channel-level fault diagnostics, and communicates directly with PACSystems RX3i or Series 90-30/90-70 controllers over the noise-tolerant Genius serial network.
Maintaining a New Surplus GE Fanuc IC660EBD025 block in your local spare parts inventory is an essential operational safeguard. Because the legacy Genius I/O platform faces restricted OEM factory support, a sudden block failure on an active control line can result in extended plant downtime or force an unbudgeted control system migration. Purchasing genuine New Surplus guarantees unaged optocouplers, clean header pin sockets, and untouched internal logic circuitry—avoiding the high contact resistance, ground faults, and intermittent communication dropouts associated with used or refurbished modules.

IC660EBD025

IC660EBD025
Installation & Configuration Guide
Stage 1: Pre-Installation (Prep & Safety)
- Execute complete Lock-Out/Tag-Out (LOTO) procedures on the 115 VAC / 125 VDC power circuit feeding the Genius I/O block.
- Put on an anti-static wrist strap connected to earth ground before handling the replacement electronics assembly.
- Verify that your assigned Serial Bus Address (SBA) and baud rate match the offline system configuration in PACSystems or Logicmaster 90.
Stage 2: Removal
- Loosen the central retaining screw on the face of the active IC660EBD025 electronics block.
- Disengage the electronics assembly from its surface-mounted terminal base header.
- Pull the module straight out from the base pins without applying lateral pressure, preventing connector pin deformation on the terminal assembly. Store the old module in anti-static packaging.
Stage 3: Installation (Clone & Seat)
- Unpack the new GE Fanuc IC660EBD025 electronics unit from its original static-shielded box.
- Align the connector guides on the back of the module with the pin header on the existing terminal base.
- Push the module firmly onto the terminal block until seated flush, then tighten the central locking screw to maintain earth ground continuity.
Stage 4: Power-On & Testing
- Re-apply 115 VAC / 125 VDC operating power to the block.
- Observe front panel status LEDs: confirm the UNIT OK LED lights solid green and the I/O OK LED indicates active bus communication.
- Trigger field inputs and outputs while monitoring status in the host PLC or via a Hand-Held Monitor (HHM) to confirm channel operation and fault-free diagnostics.
Firmware/Software Versions & Upgrade Notes
- Software Configuration: Module parameters—including fault reporting, pulse filtering, and input/output behavior—are configured digitally via software or a Genius Hand-Held Monitor (HHM) and saved in non-volatile EEPROM memory.
- Bus Controller Compatibility: Ensure the host Genius Bus Controller (e.g., IC693BEM331 or IC697BEM731) firmware revision supports the discrete block definitions for the IC660EBD025 series.
- Address Restoration: When replacing an module, re-assign the identical SBA via the HHM tool or allow auto-configuration from the master controller to restore parameter settings.
- Hot-Swapping Warning: While Genius terminal bases allow the electronics assembly to be replaced without disconnecting field wiring, always isolate the 115 VAC / 125 VDC block supply before unseating the electronics package to prevent arcing across backplane header pins.
Frequently Asked Questions (FAQ)
Q: How can I verify that this GE Fanuc block is 100% Brand New Surplus?
A: Every unit we supply is guaranteed 100% Brand New Surplus. It arrives in clean original GE Fanuc factory packaging, complete with unblemished connector pin sockets, pristine plastic housings, authentic OEM serial labels, and untouched internal circuit boards. It has never seen field installation or energization.
Q: Why is New Surplus a better choice than a refurbished Genius I/O block?
A: Refurbished discrete blocks often retain internal components subjected to decades of thermal stress and continuous power cycles. Degraded optocouplers or logic ICs in refurbished units can cause false channel trips, loss of field diagnostics, or sudden communication drops on the Genius bus. New Surplus guarantees factory-fresh component reliability and long operational life.
Q: Does the include the terminal block wiring base?
A: The part number designates the plug-in electronics assembly. If your installation requires a complete assembly or standalone terminal base (e.g., IC660TBA… series), contact our team to confirm your exact hardware needs.
Q: What operating voltage range does this block support?
A: The is designed to operate on a nominal 115 VAC (47–63 Hz) or 125 VDC auxiliary power feed.
Q: Will this block retain its configuration during a prolonged power outage?
A: Yes. System configurations, SBA settings, and channel parameters are stored in non-volatile onboard EEPROM memory, retaining settings indefinitely without requiring backup batteries.
Q: What warranty coverage is included with this module?
A: We back this Genius I/O electronics block with a full 1-Year Warranty. Every unit undergoes thorough visual, mechanical, and electrical verification before shipment.

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