Foxboro FCP270 (P0917YZ) Field Control Processor Matching Component Part List
1. Product Brief
FCP270 (P0917YZ) is core redundant field controller of Foxboro I/A Series DCS, supporting 1:1 hot standby redundant configuration with <50ms bumpless switchover, dual FTE fault-tolerant Ethernet, HDLC fieldbus for FBM I/O expansion, executing PID regulation, sequential control, safety interlock & field data acquisition, widely deployed in refining, power, LNG, fine chemical & wastewater treatment industries.
Basic Spec: 24VDC power, 32MB Flash +16MB SDRAM, -40℃~+70℃ operating ambient, max 32pcs FBM200 series onboard; expand to 128pcs FBM via FEM100 module.
2. Five Industrial Application Examples (English Version)
Case 1: Crude Oil Atmospheric & Vacuum Distillation Unit (Refinery Plant)
Hardware Layout
1 set redundant FCP270(P0917YZ)+28pcs FBM I/O modules (FBM201/202/204), total I/O: AI624, AO216, DI360, DO120, 312 PID closed control loops; dual redundant FTE Ethernet (PRP protocol, switchover＜10ms), FEM100 for remote I/O extension on distillation column area.
Control Function
- Regulatory PID: Tower top temperature, furnace outlet oil temp, sump liquid level, fuel gas pressure cascade & ratio PID control;
- SFC Sequence Control: Automatic startup heating, raw feed-in, shutdown purge full-sequence program;
- SIL Safety Interlock: Furnace over-temperature fuel gas cut-off, tank high-level emergency vent pump trip interlock;
- Data Upload: Feed/product flow accumulation, equipment vibration data transmitted to DCS operator station & plant MES system.
Operation Result: Standby FCP takes over instantly upon main CPU power surge fault, no process curve interruption, plant annual uptime ≥99.99%.
Case 2: 660MW Supercritical Thermal Power Boiler & SCR Denitrification System
Hardware Layout
One redundant FCP270 set for boiler side, another redundant set for SCR denitrification; boiler configured with 32 FBM modules for drum level, main steam temp & draft fan PID loops; denitrification with 19 FBM203/FBM205 for NOx & ammonia injection closed control.
Control Function
- Boiler: 3-element drum level PID, superheat/reheat steam segmented temperature regulation, air-fuel ratio optimization;
- SCR: Flue gas NOx feedback adjusts ammonia valve opening to suppress ammonia slip;
- Auxiliary interlock: ID/FD fan over-temperature trip, air preheater fault bypass logic; GPS time synchronization for SOE sequence event recording.
Case3: LNG Receiving Terminal (Storage Tank + BOG Compressor Control)
Configuration: 1 redundant FCP270 controls 3 LNG storage tanks +4 BOG compressors + ship unloading arm interlock; remote FBM cabinet installed at tank yard & compressor house, serial Modbus-RTU connects compressor OEM PLC via FCP onboard RS485 port.
Core Logic: BOG compressor VFD PID stabilizes tank pressure; high tank pressure vent interlock, low-pressure compressor stop interlock; full-automatic loading/unloading sequential control for cryogenic unloading arm.
Case4: Fine Chemical Ethylene Oxide Reactor Batch Production
Single reactor matched with redundant FCP270 + FBM201(T/C input), FBM202(4-20mA), FBM204(digital I/O): AI48/AO24/DI32/DO16.
- Batch formula program auto feed, heat preservation, cooling & discharging full automation;
- Jacket water temp ↔ reactor internal temperature cascade PID; over-temp/over-pressure emergency EO feed cut-off safety interlock.
Case5: Municipal Wastewater Treatment (Biochemical Pool & Dosing System)
1 redundant FCP270 governs aerobic pool aeration, PAC/PAM chemical dosing; FBM connects DO, pH, ORP transmitters, aeration blowers & dosing pumps.
- Dissolved oxygen(DO) PID adjusts blower frequency to save power; effluent pH auto links dosing pump output to reduce chemical consumption; sludge recycle pump sequential start-stop by tank level interlock.
3. Full List of Compatible Matching Product Models (Classified by Category)
3.1 Core Control & Expansion Module (Co-work with FCP270 P0917YZ)
| Part Number | Model Name | Function Description |
|---|---|---|
| P0917YZ | FCP270 | Main Field Control Processor, single/redundant master CPU |
| P0973CG/P0973CN | Baseplate | 2-slot /4-slot DIN rail installation backplane for FEM100/FCP270 |
| P0916YK | FEM100 | Fieldbus Expansion Module, expand FBM capacity to max128pcs per FCP270 (4 independent HDLC fieldbus channels) |
| P0914SQ | PBI/FBI100/FBI200 | Fieldbus Isolator, extend fieldbus distance & isolate signal interference, connect legacy 100-series FBM |
3.2 FBM 200 Series Analog I/O Modules (Most Common Matching)
| Part No. | Module | Signal Type |
|---|---|---|
| P0916AA | FBM201 | 8CH 4~20mA Isolated AI (transmitter standard signal) |
| P0916AC | FBM202 | 8CH TC/mV AI (Thermocouple temperature input) |
| P0916AE | FBM203 | 8CH RTD AI (Pt100/Ni RTD resistance temp input) |
| P0916AG | FBM204 | 4CH AO 4~20mA (control regulating valve positioning) |
| P0916AJ | FBM205 | Combined AI+AO hybrid analog module |
| P0916PK | FBM207 | Pulse/frequency input for turbine/flow totalizer |
| P0916JZ | FBM242 | Multifunction serial Modbus communication module |
3.3 FBM Digital I/O Module (Switch Value DI/DO)
- FBM206(P0916AL): DC Contact DI for equipment status feedback
- FBM208(P0916AN): AC110V/220V DI for motor auxiliary contact signal
- FBM209(P0916AP): Relay DO for on-off valve & small motor drive output
3.4 Network & Upper Station Supporting Parts
- FTE Redundant Ethernet Switch (FTE101/P0997LP): Fault-Tolerant Ethernet core switch for DCS control network;
- Operator/Engineer Station: Foxboro EVO workstation + Control Configuration Studio software for offline/online logic programming;
- Historical Server: I/A Series HIS for trend curve & alarm data storage;
- GPS Time Sync Module: System unified clock calibration for multi-FCP SOE event alignment.
3.5 Legacy 100-Series FBM (Compatible via FBI Isolator)
FBM02(P0400YC,TC Input), FBM03(P0400YD,RTD Input), FBM04(P0400YE,4-20mA I/O), FBM07(P0400YJ,DC DI)
4. Standard System Hierarchy
- Top Layer: Dual FTE Ethernet → Operator Station + HIS History Server + MES interface;
- Middle Layer: Redundant FCP270(P0917YZ)+FEM100 remote expansion backplane;
- Bottom Layer: FBM I/O Modules → field transmitters, control valves, motors & online analyzers;
- Third-party Link: FCP onboard RS232/485 Modbus-RTU connects third-party PLC, smart positioner & online analytical instruments.
Post time: Jun-04-2026