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This terminal assembly connects AC field devices to a Genius I/O block. It accepts 115V AC signals from limit switches, push buttons, and proximity sensors. You can mount this unit directly on a DIN rail near your field equipment.
Key Technical Specifications
| Parameter | Details |
|---|---|
| Model Number | IC660TBD110 |
| Brand | GE (General Electric) |
| Category | Genius I/O Terminal Assembly |
| Dimensions (W x H x D) | 150 mm x 110 mm x 60 mm |
| Weight | 410 grams |
| Input Channels | 16 isolated AC inputs |
| Input Voltage | 115V AC nominal (85–132V range) |
| Input Frequency | 50/60 Hz ±5% |
| Onboard Energy Storage | 3 x 330 µF capacitors (990 µF total) |
| Component Count | 88 discrete components |
| Connection Type | Removable screw terminal blocks |
| Wire Gauge | 0.5 mm² to 2.5 mm² (20–14 AWG) |
| Isolation Voltage | 2500V between field and logic |
Physical Design and DIN Rail Mounting
This terminal assembly measures 150 mm in width and 110 mm in height. Its depth reaches 60 mm for standard enclosures. The unit weighs 410 grams, reflecting the rugged thermoplastic housing. An integral DIN rail clip secures the assembly without extra mounting hardware.
Internal Circuitry and Energy Storage
Eighty-eight components populate the input conditioning and isolation board. Three 330 µF capacitors form a 990 µF total energy storage bank. This bank filters noisy 115V AC signals into clean logic levels. Consequently, the assembly rejects electrical noise from contact bounce or inductive kickback. Each input channel includes a full-wave rectifier and optocoupler for safe isolation.
Input Configuration and Wiring
Sixteen isolated channels accept 115V AC signals from standard industrial sensors. You connect each input’s two terminals to the field device contacts. The assembly operates with 50 Hz or 60 Hz power systems automatically. A green LED illuminates when an input channel receives active AC voltage. Removable screw terminal blocks accept wires from 0.5 mm² to 2.5 mm² cross-section.
Genius Bus Interface and Compatibility
This terminal assembly connects directly to a Genius I/O block like IC660BBD110. A flat ribbon cable carries the 16 input states to the bus controller. The assembly requires no user configuration or addressing switches. Therefore, you can replace a faulty unit in minutes without reprogramming. The 2500V isolation rating protects the backplane from field wiring surges.