GE IC200ALG326H 8-Channel 13-Bit Current Analog Output Module

Description

Technical Specifications

• Channels: 8 single-ended current-sourcing outputs, one group, common return.
• Output Signal Types: 4-20 mA (default) or 0-20 mA (jumper selectable).
• Resolution: 13-bit (8192 discrete levels); 4-20 mA: 2.0 μA = 1 count; 0-20 mA: 2.5 μA = 1 count.
• Accuracy: ±0.5% maximum of full scale at 25°C; ±1% maximum of full scale at 0-60°C.
• Output Load: Maximum 500 Ω per channel at 20 mA.
• Update Rate: 15 ms per module.
• Isolation: 250 VAC continuous, 1500 VAC for 1 minute (field circuits to logic/frame ground).
• Power Requirements: 50 mA max from 5V DC backplane; external field power: 18-30 VDC (24 VDC typical).
• External Power Consumption: 2 A max inrush, 100 mA max (no load), 185 mA max (all 8 outputs at full scale).
• Operating Temperature: -40°C to +70°C.
• Humidity: 5-95% RH (non-condensing).
• Dimensions: ~110 mm × 66.8 mm × 50 mm (4.3 in × 2.63 in × 1.956 in).
• Weight: ~0.4 kg.
• LED Indicators: “FLD PWR” (external field power present); “OK” (backplane power, no hardware faults).
• Software Compatibility: VersaPro Software Version 2.0+; VersaMax Ethernet NIU Firmware Version 1.10+; VersaMax PLC CPU Firmware Version 2.10+.

Functional Characteristics

• 8-Channel Density: 8 single-ended channels maximize I/O coverage for cost-efficient current signal control.
• Jumper Configuration: Carrier jumper selects 4-20 mA or 0-20 mA output range, no manual per-channel settings.
• Output State Management: Software-configurable default/hold last state operation for error handling.
• Optical Isolation: 250 VAC continuous, 1500 VAC for 1 minute isolation protects logic circuits from field-side noise/surges.
• Onboard Diagnostics: Detects loss of field power, backplane power, and output driver faults, with LED status indication for quick troubleshooting.
• Fast Update Rate: 15 ms per module ensures real-time responsiveness to dynamic process changes.
• Backplane Power Efficiency: Low 50 mA draw from 5V backplane minimizes power load on the system.
• Seamless Integration: Works with VersaMax CPUs/NIUs, receiving 8 words of analog output data for host interfaces.

Application Scenarios

• Process Control: Chemical plants, oil refineries, and water treatment facilities for valve positioning, flow control, and pH adjustment with 4-20 mA actuators.
• Manufacturing Automation: Assembly lines and machine tools connecting variable frequency drives (VFDs), positioners, and heaters to PLCs for closed-loop control.
• Building Automation: HVAC systems controlling dampers, valves, and VFDs with current control signals.
• Energy Management: Power generation/distribution for generator excitation control, transformer tap changer control, and grid reactive power management via current outputs.
• Test & Measurement: Lab and production line testing requiring high-channel-count current signal generation with 13-bit precision.
• Remote SCADA: Unattended sites with VersaMax PLCs, leveraging external field power, isolation, and diagnostics for reliable long-term operation.