Honeywell MC-GOAX02 51304638-175

Model Series

Technical Specifications

• Channel Quantity: 8 isolated analog output channels
• Output Signal Type: 4–20mA DC standard industrial current loop
• Load Resistance Max Rating: 750 Ω per channel
• Operating Supply Voltage: 24 VDC nominal, tolerance range 21.6 VDC – 26.4 VDC
• Resolution: 16-bit digital-to-analog conversion
• Update Cycle Rate: 100 ms per full channel scan
• Isolation Voltage: 1500 VAC channel-to-backplane isolation
• Operating Temperature Range: 0 °C to +60 °C
• Storage Temperature Range: -40 °C to +85 °C
• Humidity Rating: 5% – 95% non-condensing

Functional Features

1. Supports fault detection for open circuit, short circuit and over-load on each output channel
2. Independent channel calibration function via system workstation software
3. Configurable fail-safe output state (hold last value / preset low / preset high)
4. Backplane hot-swappable compatible with Honeywell standard I/O rack chassis
5. Digital backplane communication via proprietary Honeywell LCN control bus

Performance Parameters

• Output linearity error: ≤ ±0.05% full scale
• Temperature drift: ≤ ±0.002% full scale per °C
• Channel crosstalk attenuation: > 60 dB at 50 Hz industrial frequency
• Response settling time: ≤ 200 μs to full output swing

Material Composition

• Front panel: Flame-retardant black ABS plastic, UL94 V-0 fire rating
• Circuit substrate: FR4 fiberglass PCB with tin-plated copper traces
• Terminal block: Nickel-plated brass conductive terminals, PA66 insulating housing
• Rack mounting bracket: Cold-rolled steel with anti-corrosion zinc plating

Structural Characteristics

• Standard half-width single-slot rack module form factor
• Front-mounted detachable screw terminal block for field wiring
• Integrated red LED channel fault indicator + green power running indicator
• Keyed backplane connector to prevent misinsertion into incompatible module slots

Working Principle

Advantage Highlights

1. Full galvanic channel isolation eliminates ground loop interference in multi-device field layouts
2. High precision 16-bit DAC ensures stable fine-tuning of analog process regulation
3. Built-in per-channel fault diagnosis reduces field troubleshooting downtime
4. Hot-swap design allows module replacement without full system shutdown
5. Wide operating temperature range adapts to unconditioned industrial cabinet environments

Applicable Industries

Installation Requirements

1. Install exclusively into Honeywell standard 8-slot / 16-slot DCS I/O rack chassis
2. Maintain minimum 10 mm vertical clearance between adjacent modules for heat dissipation
3. Field wiring must use shielded twisted-pair cables; cable shield single-point grounded at cabinet side only
4. Torque terminal block screws to 0.8 N·m standardized tightening torque
5. Rack power supply must provide filtered 24 VDC with maximum ripple voltage ≤ 120 mV peak-to-peak

Usage Precautions

1. Strictly prohibit connection of voltage source signals directly to analog output terminals
2. Do not exceed 750 Ω load resistance per single channel to avoid output saturation
3. Avoid mechanical impact on front panel LED and terminal block during hot-swap replacement
4. Disconnect all field wiring before module removal for maintenance
5. Store spare modules in anti-static sealed packaging to prevent PCB electrostatic damage