The GE Fanuc IC200UEX014-B, also cataloged as the IC200UEX014 Discrete Expansion Unit, operates as a dedicated hardware component for field discrete input acquisition and output actuation within VersaMax Micro PLC platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | IC200UEX014-B |
| Brand | GE Fanuc |
| Origin | USA |
| Weight | 2.00 lbs (0.91 kg) |
| Dimensions | 95 mm x 90 mm x 76 mm |
| Operating Temp | 0 to 60 deg C |
| Power Consumption | 4 W |
| Input Count | 8 DC Inputs (14 total points on base chassis) |
| Input Voltage | 24 VDC |
| Output Count | 6 DC Outputs |
| Output Voltage | 24 VDC |
| Sensor Auxiliary Power | 200 mA at 24 VDC |
| System Backplane Interconnect | Direct expansion cable interface |
Backplane Bus Communication Velocity & I/O Expansion
The IC200UEX014-B expansion module interfaces directly with the VersaMax Micro main controller via an expansion ribbon cable connection. The backplane bus communication velocity allows deterministic update cycles for all 14 discrete channels without introducing signal propagation latency. The integrated 24 VDC sensor auxiliary power supply provides up to 200 mA, reducing panel wiring complexity by feeding field input devices directly from the local terminal strip. Internal firmware flash compatibility ensures synchronized parameter scanning and seamless I/O density scaling across expanded controller racks.
Frequently Asked Questions
Q: Can the IC200UEX014-B discrete expansion unit be hot-swapped while the main controller backplane is energized?
A: No. Hot-swapping is not supported on VersaMax Micro expansion units. Main controller power and field power must be isolated prior to connecting or disconnecting the expansion bus cable to avoid backplane transceiver damage.
Q: How is the auxiliary sensor power output protected against field wiring overcurrent conditions?
A: The 200 mA at 24 VDC sensor power terminal features internal current limiting; however, external fast-acting fuses are recommended on individual field runs to prevent thermal overload during field short circuits.
Field Installation Guidelines
- Remove primary 24 VDC system power from the main VersaMax Micro controller and auxiliary field circuits before starting installation.
- Mount the IC200UEX014-B onto a standard 35 mm DIN rail or secure it to the panel backplate using M4 screws through the mounting holes.
- Attach the expansion bus cable from the main controller expansion port to the input connector on the IC200UEX014-B, ensuring retaining latches are fully engaged.
- Connect the primary 24 VDC power supply wires (minimum 18 AWG) to the designated power terminals.
- Terminate field input and output signal lines using shielded twisted pair conductors where cable runs exceed 30 meters.
- Connect sensor power wires to the +24 VDC auxiliary supply terminals, ensuring total load does not exceed 200 mA.
- Connect the chassis ground terminal directly to the central panel earth ground bar using a low-impedance copper braid.
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