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GE Fanuc IC698PSA100E PACSystems RX7i Power Supply Module

The GE Fanuc IC698PSA100E, also cataloged as the IC698PSA100E Universal AC/DC Power Supply, operates as a dedicated hardware component for backplane power distribution within PACSystems RX7i platforms. Installed exclusively in the dedicated Slot 0 position, this unit transforms universal input voltages into regulated multi-rail DC outputs to drive sub-rack processors and interface cards.

Hardware Specifications

Parameter Specification
Model IC698PSA100E
Brand GE Fanuc (Emerson Automation)
Origin United States
Weight 1.90 kg (4.19 lbs)
Dimensions 150 mm x 80 mm x 40 mm
Operating Temp 0 to 60 deg C
Power Consumption 100 Watts Maximum (Total Output Power Capacity)
Input Voltage (AC) 85-264 VAC (Nominal 120/240 VAC, 47-63 Hz)
Input Voltage (DC) 100-150 VDC (Nominal 125 VDC)
Output Rail 1 +5.1 VDC (up to 20 A)
Output Rail 2 +12 VDC (up to 2 A)
Output Rail 3 -12 VDC (up to 1 A)
Isolation Rating 1500 VAC (Input to Output), 500 VAC (Output to Ground)
Ride-Through Time 15 ms
Hold-Up Time 5 ms
Power Factor Greater than or equal to 0.99 at nominal loads
Cooling Standard air convection
Slot Occupancy Slot 0 (Dedicated Leftmost Slot)

Backplane Bus Communication and Network Execution

The IC698PSA100E interfaces directly with the RX7i infrastructure, maintaining backplane bus communication velocity metrics by supplying stable, ripple-controlled voltages across three separate rails (+5.1 VDC, +12 VDC, and -12 VDC). It does not pass protocol configuration data, but handles deterministic system power diagnostics by signaling readiness statuses to the CPU slot. To maintain the strict requirements of deterministic networks, the module features a 15 ms ride-through time and a 5 ms hold-up time during input power dips. Internal logic circuits monitor voltage thresholds, ensuring firmware flash compatibility and structural integrity are maintained across adjacent I/O modules during transient line fluctuations.

Frequently Asked Questions

  • Q: Can the IC698PSA100E module be installed in any available slot on the RX7i rack? A: No. The module is structurally and electrically keyed for Slot 0 (the leftmost dedicated slot) of the PACSystems RX7i chassis. Attempting insertion into standard I/O slots will cause mechanical misalignment and physical damage to the backplane connectors.
  • Q: What are the internal power limitations regarding the distribution of the 100 W total capacity? A: The total simultaneous draw across the +5.1 VDC (20 A maximum), +12 VDC (2 A maximum), and -12 VDC (1 A maximum) rails must not exceed the overall 100 W threshold. Individual rail limits are maximum bounds, and the combined real-time load must be calculated to prevent triggering overcurrent shutdown.
  • Q: Is this power supply hot-swappable while the RX7i rack is actively running logic? A: No. Removing the primary power supply interrupts all current to the backplane rails, resetting the CPU and all connected I/O cards. System line power must be disconnected before installing or pulling this module.

Field Installation Guidelines

  • Chassis Grounding: Prior to supplying electrical power to the module terminals, ensure the RX7i chassis frame is properly bonded to the system protective earth ground bar using a low-impedance conductor.
  • Terminal Wiring and Separation: Route incoming AC (85-264 VAC) or DC (100-150 VDC) field lines through dedicated conduits. Maintain separation between these line-voltage inputs and low-voltage signaling or network communication cabling to minimize electromagnetic interference.
  • Convection Cooling Clearance: Ensure the top and bottom ventilation paths of the RX7i rack are free from obstructions. Standard air convection requires at least 100 mm of clearance above and below the chassis to prevent internal thermal buildup within the 0 to 60 deg C operating window.
  • Wire Stripping and Torque Limits: Strip insulation cleanly from the power leads according to standard terminal blocks parameters. Insert wires fully into the designated input terminals and torque the terminal screws to the manufacturer’s specified limits to avoid high-resistance points.

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