Description
Honeywell MC-PHAI01
Technical Specifications
- Channel Quantity: Multi-channel HART analog input
- Input Signal: 4mA to 20mA DC, HART protocol superimposed signal
- Maximum Load Resistance: 600Ω per channel
- Communication Interface: Redundant ControlNet bus, HART FSK communication
- Analog Resolution: 16 bit
- Working Ambient Temperature: 0°C to +60°C
- Storage Temperature: -40°C to +85°C
- Relative Humidity: 5% to 90% RH non-condensing
- Isolation Rating: 1500VAC field to logic isolation
- Mounting Method: Plug-in installation on CIOM-A chassis slot
- Certification: TÜV, UL, C-UL, CE, HART Foundation registered
Functional Features It supports HART digital communication to read smart transmitter secondary variable, device tag and diagnostic information. It provides high precision 4-20mA signal sampling and filtering. It detects open circuit, short circuit and loop fault of each analog input channel. It uploads measured analog value and HART device information to Experion PKS controller. It supports hot swap replacement in CIOM-A chassis. It has LED indicator for power, module fault and channel communication status. It supports HART instrument calibration and remote parameter setting through control system.
Application Scenarios Petrochemical plant HART pressure transmitter signal collection Refinery furnace temperature smart transmitter monitoring Natural gas pipeline flow HART transmitter signal acquisition Chemical reactor liquid level smart instrument monitoring Experion PKS CIOM-A HART analog input spare module replacement
Performance Parameters
- Analog Measurement Accuracy: ±0.1% full scale
- Mean Time Between Failures: 850000 hours
- Insulation Resistance: Greater than 1000 MΩ
- HART Communication Response Time: Less than 500ms
- EMC Surge Withstand: 2kV line to earth
Material Composition FR4 flame retardant PCB substrate 16-bit analog to digital conversion chip HART FSK modem circuit Optocoupler isolation components TVS surge suppression diodes Precision sampling resistors ABS flame retardant front panel Tri-color LED status indicators Metal locking buckle and gold finger edge connector
Structural Features Standard plug-in CIOM-A module form factor. Front panel integrates LED indicators and extraction handle. Rear gold finger connector connects to CIOM-A chassis backplane and redundant ControlNet bus. Internal circuit separates analog signal sampling zone, HART communication zone and digital logic zone. Isolation barrier separates field instrument loop and internal control circuit. Locking clip fixes module in chassis slot.
Working Principle Field 4-20mA signal with superimposed HART FSK signal enters module channel. The analog sampling circuit converts current signal into digital process value. HART modem circuit demodulates FSK signal and reads digital instrument data from smart transmitter. All measurement data and device information are packaged and transmitted to Experion PKS controller via redundant ControlNet bus. When loop fault is detected, the module triggers fault alarm and uploads diagnostic code.
Installation Requirements Power off the chassis slot before inserting MC-PHAI01 module. Align anti-misalignment notch and insert into vacant CIOM-A slot, lock buckle. Connect HART smart transmitter shielded twisted pair cable to matched terminal assembly. Configure channel parameter and HART tag information in Experion PKS engineering software. Power on chassis and verify analog reading and HART communication. Use dedicated HART shield cable for field wiring.
Usage Notes Shielded twisted pair cable is mandatory for all HART transmitter wiring. Do not exceed maximum 600Ω loop load resistance per channel. Static protection wrist strap must be worn during module replacement. Do not apply AC voltage to input terminals. HART instrument power supply must meet loop voltage requirement.
