GE IC693ALG392-CF

The module delivers eight single-ended outputs that can be individually configured for voltage (0 to +10 V unipolar, –10 to +10 V bipolar) or current (0-20 mA, 4-20 mA). Each channel resolves 15–16 bits depending on the selected range. All channels are updated every 8 ms. Open-wire detection is reported to the CPU when operating in current modes. On power interruption, outputs either hold the last value or reset to zero, according to user configuration. Operation requires an external 24 V DC supply connected directly to the terminal block. For RF-noisy environments, accuracy may degrade to ±1 % FS for current and ±3 % FS for voltage; therefore, installation in a metal enclosure is recommended.

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Technical Specifications

Channels: 8 single-ended
Output Ranges:
• Voltage: 0 to +10 V, –10 to +10 V
• Current: 0-20 mA, 4-20 mA
Resolution: 15–16 bits, range-dependent
Update Rate: All channels refreshed within 8 ms
Accuracy: Factory-calibrated to 0.625 µA per LSB (current mode)
Power Supply: External 24 V DC ±10 %
Operating Temperature: –40 °C to +70 °C
Dimensions: 100 mm × 80 mm × 20 mm

Functional Highlights

Flexible Configuration: Each channel individually programmable for voltage or current via configuration software
Diagnostics: Per-channel open-wire fault reporting to the CPU
Fail-Safe Operation: Configurable hold-last-state or reset-to-zero on power loss
Robust Design: Wide operating temperature range for harsh industrial environments
Protocol Compatibility: Seamless integration into Modbus TCP/IP or any Series 90-30 I/O rack

Application Scenarios

Process Control: Drives analog actuators, valves, and variable-frequency drives in chemical, petrochemical, and water-treatment plants
Manufacturing Automation: Provides set-points for temperature, pressure, and flow controllers on assembly lines
Energy Management: Interfaces with substation automation systems for load regulation and generator control
Building & HVAC: Controls damper positions, fan speeds, and pump modulation in large-scale HVAC systems

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