Description
Honeywell CC-FCF901
Technical Specifications
- Fieldbus Standard: FOUNDATION Fieldbus H1, 31.25 kbps
- Channel Quantity: Single H1 fieldbus segment
- Fieldbus Power Supply: Isolated 24VDC fieldbus power
- Backplane Interface: C300 Series C dedicated I/O bus
- Power Supply: 5VDC from rack backplane
- Operating Ambient Temperature: 0°C to +60°C
- Storage Temperature: -40°C to +85°C
- Relative Humidity: 5% to 90% RH non-condensing
- Mounting Method: Plug-in slot installation on C300 I/O rack
- Certification: UL, CE, TÜV, IEC61158, RoHS
Functional Features It provides isolated power supply and signal coupling for FOUNDATION Fieldbus H1 segment. It executes fieldbus link active scheduler function for communication scheduling. It supports up to 16 fieldbus devices on one H1 segment. It converts fieldbus digital signal into backplane bus data and transmits to C300 controller. It uploads fieldbus device diagnostic information, tag status and communication fault to Experion PKS. It supports hot swap replacement without powering down entire I/O rack. It provides front panel LED indicators for power, fieldbus communication and fault status. It supports fieldbus segment configuration and device tag assignment from engineering workstation. It detects short circuit, overload and bus wiring fault on H1 segment.
Application Scenarios Petrochemical plant FOUNDATION Fieldbus instrument integration Chemical process workshop smart transmitter and valve positioner monitoring Refinery fieldbus segment centralized control Oil and gas plant digital field instrument DCS interface Batch process plant fieldbus device management
Performance Parameters
- Fieldbus Communication Speed: 31.25 kbps
- Mean Time Between Failures: 830000 hours
- Isolation Rating: 1500VAC isolation between fieldbus side and backplane logic circuit
- ESD Immunity: 8kV contact discharge
- Maximum Fieldbus Cable Length: 1900m for H1 segment
Material Composition FR4 conformal coated multilayer flame retardant PCB Fieldbus communication controller chip Isolation transformer for fieldbus signal Isolated DC-DC power supply module TVS surge and short circuit protection components Gold plated edge connector for rack backplane Metal front panel with extraction handle and LED indicators Pluggable terminal block for fieldbus wiring
Structural Features Standard Series C C300 rack plug-in module form factor. Front panel carries fieldbus wiring terminal block and status LED indicators plus extraction handle. Rear gold plated edge connector mates with rack backplane power and I/O bus. Internal circuit provides complete isolation between fieldbus side and DCS backplane circuit to avoid ground loop interference. Anti-key notch prevents reverse insertion into rack slot. Locking clip secures module firmly after installation. Internal power limiting circuit protects fieldbus segment from overload damage.
Working Principle After power on, module initializes fieldbus scheduler and establishes H1 segment communication. It provides isolated 24VDC power to fieldbus instruments. It manages cyclic communication schedule for all fieldbus devices on segment. It receives process value, status and diagnostic data from fieldbus instruments and forwards data to C300 controller via backplane bus. It receives output command from C300 controller and sends command to fieldbus valve positioner. When short circuit, overload or communication timeout is detected on fieldbus segment, module triggers fault alarm and locks bus output to safe state. Fault information is uploaded to Experion operator station.
Installation Requirements Wear anti-static wrist strap before inserting module into vacant rack slot. Lock module buckle after alignment. Connect fieldbus shielded twisted pair cable to fieldbus terminal block. Install fieldbus terminator resistor at two ends of H1 segment. Configure fieldbus segment parameters and device tag in Experion engineering workstation. Power on rack and verify fieldbus device online status. Separate fieldbus cable from high voltage AC power cable in wiring duct.
Usage Notes Fieldbus terminator resistor must be installed at both ends of H1 segment. Do not connect non-fieldbus devices to H1 terminals. Keep fieldbus cable shield single point grounding. Check segment load current before adding new field instrument. Do not apply external voltage to fieldbus terminals.
