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GE IC694MDL753
GE IC694MDL753

GE IC694ALG392

roduct Overview

The IC694ALG392 is a high‑precision 8‑channel analog current/voltage output module from GE Fanuc (Emerson Automation) for PACSystems RX3i PLCs, offering 8 single‑ended channels configurable per channel to 0–10V, -10–+10V (voltage) or 0–20mA, 4–20mA (current) ranges. It delivers 16‑bit resolution, ±0.25% full‑scale accuracy at 25°C, and 8ms update for all 8 channels, with 1500VAC input‑to‑backplane isolation, open‑wire detection in current mode, and LED diagnostics (Module OK, Power, Channel Faults). The module fits any RX3i I/O slot, requiring +5VDC backplane power (110mA) and 20–30VDC external power (315mA), converting digital data into precise analog signals to control industrial actuators in real‑time process applications.
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Description

Technical Specifications

Parameter Details
Manufacturer GE Fanuc (Emerson Automation)
Model Number IC694ALG392
Platform Compatibility PACSystems RX3i PLC Systems
Module Type 8‑channel analog current/voltage output (single‑ended)
Output Channels 8 single‑ended, per‑channel configurable
Output Ranges Voltage: 0–10V (unipolar), -10–+10V (bipolar); Current: 0–20mA, 4–20mA
Resolution 16‑bit (voltage: 0.3125mV LSB; 4–20mA: 0.5µA LSB; 0–20mA: 0.625µA LSB)
Update Rate 8ms for all 8 channels
Accuracy Voltage: ±0.25% full scale (25°C), ±1.0% over 0–60°C; Current: ±0.1% full scale (25°C)
Isolation 1500VAC (input to backplane, 1 minute)
Output Load Voltage: 2kΩ max; Current: 2kΩ max (20–30VDC external power)
Output Protection Short‑circuit, reverse polarity, under‑voltage (external power)
Power Consumption 110mA at +5VDC (backplane); 315mA at 20–30VDC (external)
Indicators Module OK (green), Power (green), Channel Faults (red, per‑channel)
Operating Temperature 0°C to 60°C (32°F to 140°F)
Storage Temperature -40°C to 85°C (-40°F to 185°F)
Humidity 5%–95% non‑condensing
Dimensions 127 mm × 76.2 mm × 152.4 mm (5.0 in × 3.0 in × 6.0 in)
Weight 0.5 kg (1 lbs 1 oz)
Mounting DIN rail via RX3i baseplate (any I/O slot)
Protection Class IP20
Agency Approvals UL, CE, ATEX Zone 2, IECEx, ABS, BV, DNV, GL, KRS, LR

Functional Features

  • Per‑Channel Configuration: 8 single‑ended channels switchable to voltage or current ranges for mixed‑signal control.
  • 16‑Bit Precision: 0.3125mV/0.5µA LSB for accurate actuation of valves, motors, and drives.
  • Fast Update Rate: 8ms for all 8 channels ensures real‑time response to PLC commands.
  • 1500VAC Isolation: Blocks noise/transients between outputs and backplane for reliable signal integrity.
  • Open‑Wire Detection: Reports broken wires in current mode to CPU for proactive maintenance.
  • LED Diagnostics: Module OK, Power, and per‑channel Fault indicators for quick troubleshooting.
  • Power Fault Protection: Reverse polarity and under‑voltage protection on external 20–30VDC supply.
  • Last State Retention: Maintains outputs (last value or zero) during backplane power loss (external power active).
  • Single‑Slot Design: Fits any RX3i I/O slot without backplane restrictions.
  • Low Backplane Power: 110mA at +5VDC minimizes system power load.

Application Scenarios

  • Process Automation: Controls control valves, variable speed drives, and dosing pumps in chemical, oil/gas, and water treatment plants with 4–20mA current loops.
  • Manufacturing Lines: Drives positioners, tension controllers, and temperature valves in automotive, packaging, and semiconductor fabrication with 0–10V voltage signals.
  • HVAC & Building Automation: Regulates dampers, variable air volume units, and boiler controls with isolated wiring for noise immunity.
  • Test & Measurement: Generates 8 channels of precision analog signals for sensor calibration, power supply testing, and material fatigue analysis.
  • Renewable Energy: Controls solar inverter output, wind turbine pitch systems, and battery charger current in wind/solar farms.
  • Marine & Offshore: Complies with ABS/BV/DNV approvals for shipboard process control in Zone 2 hazardous areas.
  • Retrofit Projects: Upgrades legacy RX3i systems for high‑channel‑count analog control with minimal wiring changes.

Ordering & Compatibility

Standard model: IC694ALG392. Compatible with all RX3i baseplates, CPUs, and I/O modules; fits any I/O slot. Requires +5VDC backplane power (110mA) and 20–30VDC external power (315mA). Use shielded twisted‑pair cables for current loops; unshielded for voltage in low‑noise environments. Pair with terminal blocks (TB1) for field connections; no internal battery required.
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