Technical Specifications
- Channel Count: 16 isolated analog input channels
- Input Signal Ranges: 4–20mA DC, 0–20mA DC, 0–5VDC, 1–5VDC
- Isolation Rating: 2500 VAC channel-to-backplane isolation
- Resolution: 16-bit A/D conversion per channel
- Conversion Rate: 100ms full-scan for all 16 channels
- Operating Supply Voltage: 24VDC nominal, allowable range 20.4VDC – 28.8VDC
- Power Consumption: Max 4.2W per module
- 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
- Full channel hardware isolation eliminates ground loop interference
- Built-in open-circuit detection for each sensor channel with fault flag upload to controller
- User-configurable channel filtering with selectable digital filter time constants (0.1s / 0.5s / 1s / 2s / 5s)
- Support cold junction compensation for integrated thermocouple adapter terminals
- Channel-by-channel signal scaling configurable via Experion PKS Station software
- Hot-swap compatible for redundant C200 rack systems
- Independent fault diagnostic LED indicators per channel and module power status
- Data buffering memory for temporary signal retention during backplane voltage fluctuation
Performance Parameters
- Overall Accuracy: ±0.05% full scale (25°C reference temperature)
- Temperature Drift Coefficient: ±0.0015% full scale per °C
- Input Impedance (Voltage Mode): 10 MΩ minimum
- Input Load Resistance (Current Mode): Max 500 Ω loop resistance for 4–20mA signals
- Operating Ambient Temperature Range: 0°C to +60°C operational; -40°C to +85°C storage
- Relative Humidity Tolerance: 5% – 95% non-condensing
- Vibration Resistance: 10–150Hz, 1g sinusoidal vibration per IEC 60068-2-6
Material Composition
- Main Circuit Board: FR-4 flame-retardant fiberglass PCB with lead-free tin plating
- Terminal Block Housing: Reinforced PA66 glass-filled nylon, UL94 V-0 fire rating
- Module Chassis Frame: Cold rolled steel with black electrostatic anti-corrosion coating
- Connector Pins: Copper alloy with gold plating (1.2μm thickness)
- Electronic Components: Industrial-grade wide-temperature range ICs, tantalum capacitors, metal film precision resistors
Structural Characteristics
- Standard 8-slot rack form factor, single-width module dimension: 22.5mm (W) × 130mm (H) × 135mm (D)
- Front panel integrated 16 channel status LED array + global power/fault LED cluster
- Rear edge card connector for C200 backplane bus communication
- Removable screw-type terminal block (16 pairs signal terminals + 2 power terminals)
- Built-in module locking latch for rack secure fixation, anti-vibration lock structure
Working Principle
External analog sensor signals transmit to front terminal block, pass through isolated signal conditioning circuits for surge suppression and impedance matching. Conditioned analog signals feed to independent 16-bit A/D converters per channel. Digital converted data transfers via internal parallel bus to module on-board microprocessor, which performs digital filtering, open-circuit fault diagnosis and user-defined signal scaling. Processed digital values communicate with C200 main controller through backplane proprietary digital bus; diagnostic fault codes and real-time channel data are cyclically uploaded to Experion PKS human-machine interface for monitoring and control logic execution.
Advantage Highlights
- 16-channel high density design reduces total rack space occupation by 40% vs 8-channel modules
- High precision 16-bit conversion guarantees stable measurement for high-precision flow, pressure and level transmitters
- Full channel isolation completely eradicates cross-channel signal crosstalk and ground loop noise
- ATEX and UL certified for hazardous zone Division 2 industrial deployment
- Hot swap maintenance eliminates production downtime during module replacement
- Integrated channel open-circuit detection reduces on-site troubleshooting labor cost
- Wide operating temperature range adapts to outdoor and unconditioned cabinet environments
Applicable Industries
Petroleum refining, natural gas processing, chemical manufacturing, power generation (thermal & combined cycle), pulp & paper, water & wastewater treatment, pharmaceutical batch production, metal smelting, food & beverage continuous processing
Installation Requirements
- Install exclusively inside Honeywell C200 redundant control rack; match compatible CC series backplane chassis
- Maintain minimum 15mm vertical clearance between adjacent modules for forced air convection cooling
- Cabinet internal cooling air flow rate must reach minimum 0.7 m³/min per rack
- Termination wiring must use shielded twisted pair cable; cable shield single-point grounded at cabinet terminal bar
- Max wire gauge for terminal block: 14 AWG solid copper conductor
- Mount rack within vibration amplitude less than 0.5mm operating environment
- Separate analog signal wiring from high-power AC motor drive cabling with minimum 30cm distance
Operation & Maintenance Precautions
- Disconnect 24VDC auxiliary power before removing terminal block wiring to avoid transient voltage damage to A/D circuits
- Do not apply signal voltage exceeding 30VDC to any input channel; overvoltage causes permanent module circuit burnout
- Periodically inspect terminal screw torque to maintain 0.8 N·m tightening force to prevent loose connection heat generation
- For hazardous area installation, follow ATEX wiring barrier specifications strictly; no cable splices inside cabinet enclosure
- Clean module front panel only with dry anti-static microfiber cloth; liquid cleaning agents prohibited
- Replace module only after confirming redundant controller standby unit active to avoid control loop interruption
- Store spare modules in anti-static sealed packaging with desiccant, maintain storage humidity below 80%
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