General Electric IC660BBS103 Genius Block I/O

Product Description

Configured for discrete signal switching in GE Fanuc Series 90-30 / Genius I/O networks, the General Electric IC660BBS103 (IC660BBS103 Discrete I/O Block) provides direct physical/electrical execution of eight isolated output circuits at 115 VAC or 125 VDC.

Hardware Specifications

Backplane Bus Communication and I/O Density Scaling

The IC660BBS103 communicates over the Genius I/O bus at deterministic scan rates governed by the host PLC backplane license class. Each block occupies one logical station address and supports 8 discrete outputs without consuming analog bandwidth. I/O density scales by daisy-chaining up to 32 blocks on a single bus segment using shielded twisted pair with 120 ohm termination at both ends. Firmware flash compatibility is fixed at Genius Block revision level compatible with Series 90-30 CPU firmware 10.5 and above; downgrading requires EEPROM swap, not field reflash.

Frequently Asked Questions

Q: Can the IC660BBS103 be hot-swapped while the Genius bus is live?

A: No. GE does not certify hot-swap for this block. Remove I/O power and bus power before extracting the module to avoid transient backplane current spikes and false short-circuit trips on adjacent blocks.

Q: What is the backplane current draw of one IC660BBS103 when all 8 outputs are energized at 2 A AC?

A: The block draws logic power from the Genius bus (approx. 250 mA at 18 VDC logic supply) independent of load side. Output current flows through field wiring only; it does not add to backplane bus current.

Q: Does the internal electronic fusing auto-reset after a short-circuit trip?

A: The DC side trips in 10 ms and latches until power cycle or manual reset via the host PLC diagnostic clear command. The AC side trips in 100 ms and behaves identically. No mechanical fuse replacement is required.

Field Installation Guidelines

Mount the block on a standard GE Genius bus node bracket using the supplied keying strip to prevent mis-seating. Torque terminal screws to 0.8 Nm. Separate AC and DC field wiring into distinct cable trays; maintain 150 mm minimum separation from bus communication cable. Shield the Genius bus cable and ground the shield drain wire at the host PLC end only. Verify I/O power polarity before applying 125 VDC; reverse polarity will destroy the DC input rectifier stage. After power-up, confirm green "OK" LED and absence of red "F" LED before forcing any output from the PLC program.

Technical Specifications

• Model: IC660BBS103
• I/O Channels: 16 discrete, configurable as input or output
• Voltage Range: 10–32 VDC
• Power Supply: External 12/24 VDC
• Operating Temperature: 0°C to 60°C
• Storage Temperature: -40°C to 85°C
• Humidity: 5% to 95% (non-condensing)
• Diagnostics: Self-diagnostics with status indicators
• Dimensions: 5.5" H x 4.5" W x 3.5" D
• Weight: 1.5 lb (0.68 kg)

Other Attributes

• Series: Genius I-O
• Country of Origin: USA
• Lead Time: In Stock, 2 Working Days

In Stock Hot Items of The GE General Electric 

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