GE Fanuc IC693PWR321 High Capacity Power Supply Module

The GE Fanuc IC693PWR321 is a high-capacity power module specifically engineered for the Series 90-30 Programmable Logic Controller (PLC) family. This module serves as the primary energy source for the entire system. Therefore, it must be installed directly into the dedicated power supply slot located on the far left of any Series 90-30 baseplate. Because it supports a wide range of input voltages, the unit is exceptionally adaptable to various global industrial power grids. By converting incoming AC or DC power into regulated logic and field voltages, this component ensures the stable and continuous operation of both the CPU and connected I/O modules.

Versatile Voltage Outputs and Capacity

In addition to its primary power conversion role, this 30-watt power supply provides three distinct voltage rails to support diverse system requirements. Specifically, it delivers +5V DC for internal logic circuits, +24V DC for relay drive power, and an isolated +24V DC output dedicated to sensitive field devices. The isolated output is particularly important because it prevents electrical noise from interfering with the internal PLC backplane. Furthermore, the unit manages a significant load capacity. Consequently, it can support high-density I/O configurations that might otherwise exceed the capabilities of standard power supplies in the Series 90-30 range.

Technical Performance Specifications

• Input Voltage (AC): 85 to 264 VAC (100V to 240V Nominal)
• Input Voltage (DC): 100 to 300 VDC (125V Nominal)
• Total Power Rating: 30 Watts
• Peak Inrush Current: 4 Amps (250 milliseconds max duration)
• Output Rails: +5V DC, +24V DC, and Isolated +24V DC
• Isolation Output Rating: 20 Watts (Maximum)
• Communication Interface: RS-485 Serial Port (Power Supply version)
• Certification: cULus, CE, Class 1 Div 2

Installation and Connectivity

Finally, the IC693PWR321 simplifies the setup process through its modular design. Because the module utilizes a high-efficiency switching regulator, it generates very little heat during operation. Technicians can easily connect incoming power lines to the terminal strip on the front of the unit, which is shielded by a protective hinged cover. Since the module accepts a broad DC input range, it is also ideal for battery-backed installations or solar-powered remote stations where AC power is unavailable.