Honeywell CC-PAOH01

Technical Specifications

• Channel Count: 8 isolated analog output channels
• Output Signal Ranges: 4–20mA DC, 0–20mA DC, 0–5VDC, 1–5VDC
• Isolation Rating: 2500 VAC channel-to-backplane galvanic isolation
• Resolution: 16-bit D/A conversion per output channel
• Update Rate: 50ms full-channel refresh cycle
• Operating Supply Voltage: 24VDC nominal, operational range 20.4VDC – 28.8VDC
• Power Consumption: Max 4.8W full load per module
• Max Single Channel Output Drive Current: 22mA DC continuous
• EMC Compliance: IEC 61000-6-2, IEC 61000-6-3 Class A industrial standard
• Certifications: CE, UL 508, CSA C22.2 No.142, ATEX II 3G Ex nA IIC T4 Gc

Functional Features

1. Independent galvanic isolation for every output channel prevents cross-channel control signal interference
2. High output drive capacity supports long wiring runs and high impedance valve positioner loads
3. Built-in output short-circuit protection with automatic channel fault cut-off and fault flag reporting
4. Software configurable output ramp rate control to eliminate sudden actuator shock and process disturbance
5. Configurable fail-safe output state (hold last value, 4mA low limit, 20mA high limit) per individual channel
6. Hot-swap compatible for C200 redundant control rack architecture
7. Individual channel output status LED indicators + global power and module fault LED cluster
8. On-board non-volatile memory stores channel range, ramp rate and fail-safe parameter configuration

Performance Parameters

• Output Setpoint Accuracy: ±0.05% full scale at 25°C reference temperature
• Temperature Drift Coefficient: ±0.0018% full scale per °C
• Max Allowable Loop Load Resistance (4–20mA mode): 750 Ω per channel
• Output Voltage Mode Load Impedance Requirement: ≥ 10 kΩ minimum
• Operational Ambient Temperature Range: 0°C to +60°C; storage temperature -40°C to +85°C
• Relative Humidity Operating Range: 5% – 95% non-condensing
• Vibration Resistance: 10–150Hz, 1g sinusoidal vibration test compliant with IEC 60068-2-6

Material Composition

• Main Circuit PCB: FR-4 flame retardant fiberglass substrate, lead-free soldering technology
• Terminal Block Housing: Reinforced PA66 glass filled nylon, UL94 V-0 fire retardant rating
• Module Chassis Frame: Cold rolled steel with black electrostatic anti-rust coating
• Backplane Connector Contacts: Copper alloy with 1.2μm gold plating for stable long-term contact resistance
• Internal Power Drive Components: Wide-temperature operational amplifiers, power tantalum capacitors, current limiting protection resistors

Structural Characteristics

• Single-width rack module dimensions: 22.5mm (W) × 130mm (H) × 135mm (D)
• Front panel equipped with 8 channel status LED indicators, power supply LED, module fault diagnostic LED
• Rear gold-plated edge connector for C200 backplane digital communication bus interface
• Removable screw-type terminal block with dedicated output signal pairs and shielding ground terminals
• Mechanical locking latch with anti-vibration spring to fix module securely inside rack slots

Working Principle

Advantage Highlights

1. Ultra-high 750Ω maximum loop load resistance supports extremely long wiring distances to remote control valves
2. Independent short-circuit protection per channel prevents single channel fault from disabling entire module operation
3. Adjustable output ramp rate eliminates process shock caused by fast actuator position changes, stabilizing continuous production
4. Customizable per-channel fail-safe modes meet safety shutdown logic requirements for hazardous process loops
5. 2500VAC full channel isolation eliminates ground loop noise distortion of analog control signals
6. ATEX certified for Division 2 hazardous industrial zone installation
7. Hot swap maintenance capability avoids full production shutdown during module replacement in redundant control systems

Applicable Industries

Installation Requirements

1. Install only within official Honeywell C200 series control rack and matching backplane chassis
2. Maintain minimum 15mm vertical air gap between adjacent modules for forced air cooling circulation
3. Cabinet cooling airflow minimum standard: 0.7 m³/min per rack assembly
4. Analog output wiring uses shielded twisted pair cable, cable shield single-point grounded at cabinet earth bar
5. Terminal block allowable maximum wire gauge: 14 AWG solid copper conductor
6. Rack installation location continuous vibration amplitude less than 0.5mm
7. Separate analog output control wiring from high voltage AC power and motor drive cables with minimum 30cm clearance distance

Operation & Maintenance Precautions

1. Do not short-circuit output channel terminals during live operation; repeated short-circuit events degrade internal drive circuit lifespan
2. Terminal block screw tightening torque fixed at 0.8 N·m to avoid loose connection voltage drop and actuator position drift
3. Verify all field actuator load resistance values do not exceed module maximum 750Ω limit before commissioning
4. Anti-static wrist strap mandatory during module disassembly, wiring modification and replacement work
5. Front panel cleaning only permitted with dry anti-static microfiber cloth; liquid chemical cleaners prohibited
6. Confirm redundant standby controller fully active before performing hot swap module maintenance
7. Spare modules must store in sealed anti-static packaging with desiccant packs, maintain storage humidity below 80%