Model Definition

Technical Specifications

• Board Type: 18D plug-in PCB, edge connector with 8 front-access test points

• Function: Voltage source inverter analog control, signal scaling, isolation, feedback conditioning

• Compatibility: Reliance Electric VSI series AC drives (e.g., GV3000, FlexPak 3000)

• Components: Precision op-amps, metal-film resistors, polyester capacitors, surge suppressors

• Weight: Approx. 0.32 kg

• Status: Discontinued by OEM; NOS / refurbished / used only

Interfaces & Communication

• Edge Connector: Connects to drive rack backplane for power and analog signals

• Signal I/O: Isolated analog voltage/current inputs, buffered analog outputs

• Test Points: 8 front-mounted test points for calibration and troubleshooting

• Isolation: Galvanic isolation between power and control circuits

• Fieldbus: None; hardwired analog control only

Key Features

• Precision voltage sensing and analog control for VSI inverters

• Enhanced revision (-2) with tighter tolerance components for stability

• Front test points for easy calibration and diagnostics

• Industrial-grade surge and spike protection

• Direct replacement for 0-52860 in existing drive racks

Application

• Reliance Electric VSI (Voltage Source Inverter) AC drives

• Industrial AC motor control (conveyors, pumps, fans, machine tools)

• Legacy AC drive system maintenance, calibration, and replacement

• Works with other Reliance control boards in the same rack