IC697PWR710F | GE Fanuc 90-70 Series 75W Power Supply

  • Model: IC697PWR710F
  • Brand: GE Fanuc (now Emerson)
  • Series: 90-70 PLC Series
  • Core Function: Supplies regulated DC power to CPU and I/O modules in the 90-70 backplane.
  • Type: Rack-Mount Power Supply Unit
  • Key Specs: 75W total output, 5V @ 10A, 24V @ 1A.
Category: SKU: IC697PWR710F GE

Description

Key Technical Specifications

Parameter Value
Total Power 75 Watts
Output 1 (Logic) 5V DC @ 10.0 A
Output 2 (Field) 24V DC @ 1.0 A
Input Voltage 85–264 VAC or 90–300 VDC
Input Frequency 47–63 Hz
Inrush Current 30 A max (at 264 VAC)
Hold-up Time 16 ms minimum (at full load)
Efficiency >75% typical
Operating Temp 0°C to 60°C (32°F to 140°F)
Storage Temp -40°C to 85°C
Humidity 5% to 95% (non-condensing)
Dimensions (HxWxD) 12.7 x 5.1 x 15.2 cm (approx.)

Product Introduction

The IC697PWR710F provides stable 5V and 24V DC power to GE 90-70 series PLC racks, ensuring reliable operation of CPUs and high-density I/O modules. Facilities rely on this unit to maintain logic integrity during minor grid fluctuations thanks to its 16ms hold-up capability.
This specific “F” revision features improved thermal management compared to earlier versions, allowing continuous operation at 60°C ambient without derating. It delivers a steady 10 amps on the 5V rail, critical for driving large backplane loads. (Technicians often note the fan runs quieter on the F-revision than on the older C or D models.)

Installation & Configuration Guide

Phase 1: Preparation (10 min)

  • Disconnect main AC power to the control panel. Lockout/Tagout (LOTO) is mandatory.
  • Verify input voltage selector switch (if present on chassis) matches supply voltage. Most PWR710F units are auto-ranging.
  • Inspect the backplane connector pins on the power supply. Look for bent pins or oxidation.
  • Ensure the rack mounting slot (usually far right or left depending on config) is empty and clean.

Phase 2: Removal (5–10 min)

  • Remove terminal block wiring from the front face. Label wires clearly: L, N, FG, +5V, +24V, Com.
  • Loosen the two captive screws securing the module to the rack.
  • Pull the module straight out. Support the weight; it is heavier than standard I/O cards.
  • Real-world detail: If the unit feels excessively hot to the touch immediately after power down, check the rack cooling fans before installing the replacement.

Phase 3: Installation (10 min)

  • Align the module with the rack guides. Slide it in firmly until the backplane connector seats.
  • You must feel solid resistance when fully seated. Do not force it if it binds; check alignment.
  • Tighten mounting screws to 1.2 Nm. Loose mounting causes vibration damage to the backplane pins.
  • Reconnect wiring. Use ring terminals for AC inputs to prevent strand fraying.
  • Torque terminal screws to 0.5 Nm. Loose connections cause arcing and heat buildup.

Phase 4: Power-On & Test (10 min)

  • Remove LOTO devices and apply AC power.
  • Observe the front LEDs: PWR (Green) should illuminate immediately. OK/FAULT LED behavior varies by firmware.
  • Measure output voltages at the terminal block with a multimeter.
    • Target 5V DC: 4.95V – 5.05V.
    • Target 24V DC: 23.5V – 24.5V.
  • Listen for abnormal coil whine or fan grinding. A high-pitched squeal indicates failing capacitors.
  • Verify CPU boots. If the CPU flashes red, re-check the 5V rail under load.

Troubleshooting Quick Reference

Symptom Probability Fastest Check Action
No PWR LED High Input Fuse/Breaker Check AC input voltage at terminals. Verify panel breaker is closed.
5V Output Low (<4.75V) High Overload Condition Disconnect I/O modules one by one. Check for shorted backplane traces.
Fault LED Red Medium Over-Temp Feel the heatsink. Clean dust from rack filters. Verify ambient temp <60°C.
Intermittent Resets Medium Loose Connection Retorque terminal screws. Check backplane seating of the power module.
24V Missing Low Internal Fuse The 24V rail has a separate internal protection. May require factory repair.
Fan Noise Low Bearing Wear Replace fan assembly if accessible, or swap the entire power supply unit.
IC697PWR710F GE

IC697PWR710F GE

Dimensions, Mounting & Wiring Notes

  • Dimensions: 127 mm (H) x 51 mm (W) x 152 mm (D).
  • Mounting: Inserts directly into the 90-70 series rack backplane. Secured by two front-face screws.
  • Terminal Notes: AC inputs accept 12–22 AWG wire. DC outputs accept 12–20 AWG. Use copper conductors only.
  • Grounding: Connect the Frame Ground (FG) terminal to the cabinet earth ground with 14 AWG wire. This is critical for noise immunity.
  • Clearance: Do not block the ventilation slots on the top and bottom. Maintain 75 mm vertical clearance for airflow.

FAQ

Q: Will the IC697PWR710F work in a 90-30 series rack?
A: No. The physical form factor and backplane pinout are completely different. It fits only 90-70 series racks.
Q: My 5V reading is 4.8V; is that acceptable?
A: Barely. GE specs allow ±5% (4.75V–5.25V), but running at the lower limit risks CPU instability under load. We recommend checking for excessive voltage drop in your wiring or an overloaded backplane.
Q: Can I use this to power external 24V sensors?
A: Technically yes, but don’t. The 1A limit on the 24V rail is intended for limited field use. Use a dedicated DIN-rail power supply for sensors to avoid starving the PLC logic.
Q: What does the “F” in the model number mean?
A: It indicates the hardware revision. Revision F includes updated components for better reliability and thermal performance compared to revisions A through E. Always match or exceed the revision specified in your system design.
Q: How long does the refurbishment testing take?
A: Each unit undergoes a 24-hour burn-in test at 80% load. We simulate voltage sags to verify the hold-up time meets the 16ms spec. (We reject about 15% of incoming cores that fail this specific test.)
Q: Is there a battery backup on this power supply?
A: No. The IC697PWR710F does not contain a battery. Logic retention is handled by a battery on the CPU module itself, not the power supply.