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In packaging lines and printing presses, the GE IC660BBD120 tracks encoder pulses from conveyor belts and registration marks to synchronize cuts, folds, or labels at high speeds without missing counts. Metalworking shops rely on it for spindle position feedback in CNC transfers or shear blade timing, where pulse rates spike to 200 kHz amid vibration and coolant spray. These setups battle erratic signals from long cable runs or EMI bursts from welders; the GE IC660BBD120 filters and debounces inputs onboard, streaming tally data over Genius buses to PLCs for precise motion control in industrial automation. Bottling plants use it on capper indexers or filler cams, ensuring no overruns that jam machines, while textile winders monitor yardage for roll consistency. In automotive assembly, it counts gear teeth or cam positions, feeding interlocks that halt lines on count errors applicable in control systems. Retrofit crews slot it into old Series Six drops, upgrading pulse handling without rewiring the plant floor.
Elevator service bays and wind turbine nacelles deploy the GE IC660BBD120 for floor position pulses or yaw encoder tracking, its configurable gates catching direction changes reliably. Techs pull diagnostics via handheld monitors, spotting debounce glitches or preset overflows before they cascade into faults.pdfsupply+2
The GE IC660BBD120 acts as a high-speed counter block in GE Fanuc’s Genius I/O lineup, processing up to four 200 kHz pulse trains directly from encoders or proximity sensors for flow, speed, or position tallies. It supports A/B quadrature, single-channel up/down, or clock/direction modes, with onboard presets, compares, and captures that offload PLC logic via the daisy-chained Genius bus at 153.6 kbaud max. Dropped into terminal bases with digital siblings, the GE IC660BBD120 forms standalone drops for Series 90-70/30 PLCs or PC hosts, broadcasting counts in real-time packets.
Programmers dial in filter times from 0.2 to 12.8 ms per channel, scaling counts to engineering units like feet per minute without host math. On bus loss, it latches last counts or resets per config, averting false triggers in safety chains.
Counting at full tilt, the GE IC660BBD120 resolves 24-bit totals with 1 µs timebase accuracy, handling 100% duty cycles on any input without stutter. Presets trigger outputs at exact thresholds, while capture latches peak speeds on demand for bottleneck hunts. Diagnostics flag overflows, direction faults, or wiring shorts, pushing alerts to HMIs for instant triage.
The GE IC660BBD120 clamps down via rear screws on DIN rails, its front LEDs blinking counts active, direction, and preset hits amid 1500 Vrms isolation shielding encoders from drive noise. At 10 W draw, it stacks neatly in MCCs, TTL-level inputs suiting most sensors with pull-ups configurable. Vibration holds to 5-100 Hz at 1G, perfect for shaker tables or forklifts.
- IC660BBD120
- IC660BBD120
Outputs rate 2A at 12/24 VDC for strobes or interlocks, sinking reliably into PLC commons.
| Parameter | Value |
|---|---|
| Model | IC660BBD120 |
| Brand | GE Fanuc (Emerson/GE) |
| Product Type | High-speed counter block, 4 inputs / 2 outputs |
| Power Supply | 93-132 VAC / 105-145 VDC, 47-63 Hz |
| Operating Temperature | 0 to 60°C (32 to 140°F) |
| Storage Temperature | -40 to 100°C (-40 to 212°F) |
| Mounting | Rear screw on terminal base (IC660TBD120), DIN rail |
| Dimensions | 8.83 x 3.58 x 4.7 in (22.43 x 9.1 x 11.94 cm) |
| Weight | Approx. 4 lbs (1.8 kg) |
| Interfaces | Genius bus (twisted pair), 20 screw terminals (14-22 AWG) |
| Counter Frequency | Up to 200 kHz per channel |
| Counter Resolution | 24 bits |
| Input Types | A/B quadrature, pulse/direction, up/down |
| Output Rating | 2A at 12/24 VDC |
| Isolation | 1500 Vrms block-to-block |
| Heat Dissipation | 10 W typical |
IC660BBD110 – Slower counter variant (100 kHz max), used where IC660BBD120 overkill on legacy speeds.
IC660TBD120 – Terminal base for IC660BBD120 electronics, handles field wiring in enclosures
IC660EBD120 – Electronics module only, swaps into TBD120 for IC660BBD120 field repairs.
IC660BBA100 – Analog I/O partner, combines with IC660BBD120 for hybrid sensor drops
IC660ELB915 – Bus controller linking IC660BBD120 blocks to Series 90-30 PLCs
IC660BBA106 – Current input block, feeds process data to IC660BBD120 speed loops.
IC660BBD024 – DC-powered high-speed counter, pairs with IC660BBD120 in low-voltage zones.
Before snapping the GE IC660BBD120 into its base, verify bus daisy-chain integrity and torque power studs to 9 in-lbs—loose phases drop counts silently. Route encoder cables twisted/shielded over 1000 ft max, grounding shields solely at the block to dodge noise pickup, and preset debounce to match sensor bounce in oily zones. Handheld config of baud, address, and modes must sync bus-wide pre-powerup.
Keep the GE IC660BBD120 humming by dumping count logs monthly from the host, flagging reset overflows that hint at encoder wear. Quarterly, probe inputs with a signal generator to benchmark filters against EMI spikes, and reseat edge connectors in humid spots to kill intermittents. Standardize presets across machines via backups, easing LED-guided swaps during outages.
