Description
3. Key Technical Specifications
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Parameter
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Specification
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Channels
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8 single-ended analog outputs
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Output Range
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4-20mA / 0-20mA / 0-10V DC / -10-10V DC (software-selectable)
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Resolution
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12-bit (0.5µA/LSB for 4-20mA; 0.3125mV/LSB for voltage)
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Update Rate
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8ms per channel (all channels simultaneous)
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Accuracy
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±0.5% FS @ 25°C; ±1% FS over 0°C–60°C
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Isolation
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1500V RMS (field-to-logic); no channel-to-channel isolation
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Load Resistance
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0–750Ω (4-20mA range); >2kΩ (voltage range)
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Power Consumption
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110mA @ 5V DC (backplane); 315mA @ 24V DC (isolated supply)
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Operating Temperature
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0°C to 60°C (32°F to 140°F)
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Mounting
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DIN rail/panel-mountable (fits 5-slot/10-slot Series 90-30 baseplates)
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Note
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“-BD” suffix denotes hardware revision/regional customization (core specs match IC693ALG392)
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IC693ALG392
4. Product Introduction
The GE IC693ALG392-BD is an 8-channel analog current/voltage output module for Series 90-30 PLCs, converting 12-bit digital data to 4-20mA/0-20mA/0-10V/-10-10V signals for industrial device control.
This module’s 1500V RMS isolation resists EMI from VFDs. Software-selectable ranges adapt to diverse sensors, and 12-bit resolution ensures accurate output over long cables. The 8-channel design cuts rack space by 75% versus single-channel units.
5. Firmware/Software Versions & Upgrade Notes
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Recommended Firmware: v3.0.1 (last stable Series 90-30 release; fixes v2.9.x comms bugs).
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Compatibility: Works with all Series 90-30 CPUs (e.g., IC693CPU331). Configurable via Logicmaster 20/30 or Proficy Machine Edition (IEC 61131-3 compliant).
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Upgrade Risks: v3.0.1 requires PLC cold restart (no hot-swap). Downgrading to v2.9.x risks output drift—backup program first. No Modbus RTU support; uses native backplane protocol.
6. Frequently Asked Questions (FAQ)
1. Is hot-swapping the GE IC693ALG392-BD safe?
No. Hot-swapping risks backplane shorts. Power down the rack, verify 5V/24V stability, then replace. The module’s 110mA backplane draw demands stable power—test with a multimeter first.
2. Is the GE IC693ALG392-BD obsolete? Any direct upgrades?
Yes, OEM discontinued it. For Series 90-70, use IC694ALG392 (same form factor, updated pinout). For RX3i, choose IC694ALG392A (enhanced 16-bit resolution).
3. Will programming memory be lost swapping the CPU with this module installed?
Only if the CPU lacks battery backup. Always export the PLC program (via Proficy) before swaps. The module’s firmware is stored locally—no impact on CPU memory.
4. What’s the warranty for this “New Surplus” unit?
12 months, covering manufacturing defects. We perform incoming traceability checks, 24h load tests (110mA continuous output), and megger insulation tests (>10MΩ). Refurbished units often have 3-6 month warranties and unverified aging.
5. Why is this cheaper than OEM but pricier than refurbished?
This is New Surplus: unused stock with full QC (anti-static packaging, calibration backups). Refurbished units may have degraded capacitors or invisible solder joint fatigue—risking unplanned downtime.
6. How to verify the GE IC693ALG392-BD’s compatibility?
Use a loop calibrator to inject a 4-20mA signal. Monitor %AQ registers in Proficy—values should match input. Check output range configuration (software-selectable) and field wiring (shielded STP cable, ground to “GND” terminal).
7. What ESD precautions apply to the GE IC693ALG392-BD?
Use grounded wrist straps and static-dissipative mats. The module’s CMOS outputs are sensitive to >50V ESD—common in dry climates. Store in anti-static bags when not installed.
IC693ALG392
Critical Implementation Notes
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Technical Pitfalls: Firmware Rev Mismatches (use v3.0.1 only), jumper-free config (software errors cause range faults), power budget (110mA/channel; ensure 2A min 5V backplane), ESD risks (CMOS sensitivity).
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SOP QC: All units undergo traceability checks (OEM serial verification), Live Bench Tests (comms handshake, 24h load test), Electrical Tests (megger >10MΩ), firmware backups, and anti-static packaging.
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Expandability: For higher channel counts, pair with IC693ALG392 (8-channel) or migrate to RX3i platform (IC694ALG392A, 16-channel).
