Product Introduction
In process control applications where precise analog modulation is required, the GE IC694ALG392 delivers reliable 8-channel output with fault detection. Part of the RX3i PacSystem family, this module offers both voltage and current signals for actuators like valves and motors.
Technical Specifications Breakdown
| Parameter |
Value |
| Number of Output Channels |
1 to 8 selectable, single-ended outputs |
| Output Current Range |
4 to 20 mA and 0 to 20 mA |
| Output Voltage Range |
0 to 10V and -10V to +10V |
| Update Rate |
8 Milliseconds |
| Resolution |
4 to 20mA: 0.5 µA; 0 to 20mA: 0.625 µA; Voltage: 0.3125 mV |
| Absolute Accuracy (Voltage mode) |
±0.25% of full scale @ 25°C typical; ±0.5% max @ 25°C; ±1.0% over temp range |
| Power Consumption |
110 mA from +5 VDC backplane; 315 mA from +24 VDC user supply |
| External Supply Voltage Range |
20 VDC to 30 VDC |
The GE IC694ALG392 outputs are individually configurable for 15- or 16-bit resolution depending on range, ensuring high precision.
Industry Applications
This module excels in scenarios requiring analog control loops. Use the GE IC694ALG392 to modulate valve positions in flow control, adjust motor speeds in conveyor systems, or drive actuators in chemical processing. Its open wire detection (current mode) alerts operators to wiring faults, reducing downtime.
For example, in a water treatment plant, the GE IC694ALG392 can control chemical dosing pumps with 4-20 mA signals, while its last value hold feature prevents erratic behavior during power interruptions.
Installation & Setup Guidance
Mount the GE IC694ALG392 in any available slot of an RX3i backplane. Connect an external power supply between 20 and 30 VDC (24 VDC recommended). The module draws 110 mA from the +5 VDC backplane and 315 mA from the +24 VDC user supply. Configure each channel via software for the desired range and resolution. Use proper shielding for analog wiring to minimize noise.
Maintenance & Reliability
The GE IC694ALG392 includes internal diagnostics for open wire faults in current mode. This feature helps maintenance teams quickly identify loose or broken wires. The module retains last known output values during power loss, preventing unexpected system behavior. Ensure the enclosure provides adequate environmental protection (IP rating) as the module itself has low IP tolerance.
Selection Guide & Purchasing Advice
Before purchasing, verify compatibility with your GE RX3i, Series 90-30, or Series 90-70 PLC. The GE IC694ALG392 requires an external 24 VDC supply for the output circuitry. UBEST Automation stocks this module with fast shipping. Contact us for further integration support.