When a Machine Outgrows Its Controller
A packaging line runs 14 discrete devices—photoeyes, proximity switches, and solenoid valves. The existing VersaMax Micro PLC has no spare points, and rewiring the panel is not an option. The IC200UEX122-B solves this exact problem. It is a VersaMax Micro 14-point discrete expansion unit from GE Fanuc / GE Intelligent Platforms, now owned by Emerson. It adds 8x 24 VDC inputs and 6x 24 VDC outputs with ESCP to an existing VersaMax Micro system through a dedicated expansion cable.

What the IC200UEX122-B Adds to Your Panel
This unit is a practical building block for control engineers who need more I/O without replacing the CPU. The 24 VDC power supply matches common industrial control voltages, so it integrates into existing DC panels without a separate power conversion stage. The 14 points split into 8 inputs and 6 outputs. Each output includes ESCP, which protects the output circuit against short circuits and overloads—useful when field wiring is exposed to vibration, moisture, or accidental contact.
Technical Specifications
| Specification | Value |
|---|---|
| Model | IC200UEX122-B |
| Series | VersaMax |
| Brand / Owner | Emerson (current owner) |
| Original Manufacturer | GE Fanuc / GE Intelligent Platforms |
| I/O Points | 14 (8x 24 VDC inputs, 6x 24 VDC outputs with ESCP) |
| Power Supply | 24 VDC |
| Expansion Connection | VersaMax Micro expansion cable |
| Operating Temperature | 0 to +60°C ambient |
| Storage Temperature | -40 to +85°C |
Where It Fits in Oil, Gas, and Industrial Automation
In oil and gas terminals, discrete I/O often monitors valve positions, pressure switches, and level sensors. The IC200UEX122-B handles these signals at 24 VDC, a standard in hazardous-area-adjacent control rooms. In water treatment, the 8 inputs can read pump status while the 6 outputs drive indicator lamps or small solenoids. For factory automation, the ESCP-protected outputs reduce downtime caused by field shorts—a common failure point in high-vibration environments.
Installation and Integration Notes
The unit connects to a VersaMax Micro controller using the dedicated VersaMax Micro expansion cable. Mounting follows the same panel or DIN-rail practice as the host CPU, though exact dimensions are not available in the source data. Keep ambient temperature within 0 to +60°C and allow airflow around the module. For storage, the range extends from -40 to +85°C. When wiring into a larger network, note that this is a local expansion unit, not a network adapter. If your system uses fieldbus communication, confirm gateway or connection module requirements with your supplier before ordering.
Maintenance and Reliability
Discrete I/O modules typically require periodic inspection of terminal connections and a check for dust buildup. In oil and gas environments, verify that panel seals remain intact. The ESCP function on the outputs adds a layer of self-protection, but field wiring should still be checked for insulation damage during scheduled maintenance. Because lifecycle status is not available in the source data, please verify current lifecycle status and availability with Oil AutoTech before ordering.
Sourcing the IC200UEX122-B
Oil AutoTech supplies industrial automation spares for oil, gas, and manufacturing operations. The team offers hands-on technical selection help to confirm this expansion unit matches your existing VersaMax Micro configuration. Contact Oil AutoTech today for pricing and availability.
