Model Code Definition(FCP280-RH924YA)

FCP: Field Control Processor, Foxboro I/A standard field control CPU definition

280: New upgraded generation code, performance-enhanced version succeeding FCP270, expanded bus channel & computing resource

RH924YA/RH924YL: Original factory part number; YA=standard single unit, YL=factory pre-calibrated redundant pairing version

Redundant configuration: Two matched FCP280 form master-slave hot backup via exclusive Sync synchronous bus, seamless fault switching without process halt

Core Technical Parameters

Electrical & Hardware Parameter

Core CPU: 64-bit high-speed industrial RISC real-time processor, upgraded from FCP270 32-bit architecture

Memory Spec:256MB SDRAM +128MB onboard Flash ROM, built-in replaceable lithium backup battery, configuration data hold ≥30 days after power loss

Control Operation Capacity: Max 16000 control block calculations per second, single unit supports up to 8500 measuring I/O points, total configurable control blocks exceed 6000, obviously higher than FCP270 performance

Power Input:24VDC ±10% DC power supply, rated power consumption 9W, support dual redundant power terminal access

Configurable Scan Cycle: Minimum 5ms shortest control period, adjustable 5~500ms multi-grade scan cycle to match different process control demands

Programming Standard: Comply with IEC61131-3 international standard, configured by Foxboro Composer/Control Builder V9.0 and above system software

Fieldbus & FBM Expansion Parameter

Onboard 4 independent HDLC fieldbus PIO channels, bus rate optional 2Mbps(for FBM200 series)/268Kbps(for FBM100 series)

Max FBM Loading: Directly drive max 128pcs FBM200 without FEM100 expansion module; mixed installation supports max64pcs FBM100+64pcs FBM200 hybrid layout, no extra bus expansion accessory needed compared with FCP270

Communication Interface Specification

Upper Control Network: Dual independent redundant 10/100Mbps auto-adaptive Ethernet, support fiber & copper cable dual wiring mode for Evo/MESH control network

Redundant Sync Port: Dedicated inter-board Sync Link bus for paired redundant FCP master-slave synchronization, failover switching time＜10ms

Expansion Bus Option: Onboard expandable Profibus-DP master, Modbus TCP slave interface; reserved RS232 service debugging serial port for third-party instrument communication docking

Mechanical & Environmental Spec

Dimension(W×H×D):105mm×52mm×148mm, die-cast fully enclosed aluminum shell, fanless design

Net Weight:0.63kg, standard 19-inch baseplate plug-in hot-swap installation, supports online module replacement during system running

Working Ambient: Operating temp 0℃~+60℃; storage temp -25℃~+70℃; humidity5~95%RH non-condensing; G3 industrial anti-corrosion grade, anti-vibration 0.5g(5~500Hz)

Certification:CE,UL,cURus,SIL2 functional safety certification

Core Product Features

Multi-channel independent fieldbus architecture: 4-group PIO bus design directly expands up to128 FBM modules without FEM100, simplify cabinet wiring and reduce peripheral expansion cost vs FCP270

Upgraded high-speed computing performance: Larger memory & faster block operation speed, applicable for complex advanced PID, feedforward control and large-batch sequential interlock control logic programming

Flexible redundant deployment: Optional single standalone or 1:1 master-slave hot redundant configuration, automatic fault switching ensures uninterrupted field production process

Abundant multi-protocol compatibility: Native Modbus TCP, Profibus-DP expansion, seamless connection with DCS upper station, PLC, flowmeter, actuator and third-party intelligent field equipment

Harsh environment adaptability: Sealed fanless aluminum housing, dustproof & moisture-proof, long-term stable running in high-dust, high-temperature chemical and metallurgy cabinet environment

Typical Application Scenarios

Petrochemical industry: Crude oil refining, ethylene cracking device, oil&gas transmission pipeline pressure/flow closed-loop control

Thermal power & new energy: Boiler main control system, flue gas desulfurization/denitrification auxiliary DCS, water pump group interlock control

Fine chemical & pharmaceutical: Fermentation tank temperature/pH precise regulation, sterile pharmaceutical raw material batching production line

Metallurgy & cement: Rotary kiln temperature control, raw material automatic proportioning continuous control

Water environmental treatment: Urban sewage dosing control, tap water supply pipe network pressure regulation system

Matching Accessories & Maintenance Instruction

Compatible Matching Parts

Matched I/O Module: Full range Foxboro FBM100/FBM200 analog/digital input-output modules

Communication Accessory: Dual-core fiber jumper for upper redundant Ethernet, dedicated Sync redundant cable for paired FCP, shielded HDLC fieldbus cable

Optional Expansion Parts: Profibus communication expansion card, external input EMI filter

Daily Operation & Maintenance

Keep control cabinet internal ambient below55℃ to avoid accelerated backup battery aging and overheat protection alarm

Replace built-in lithium backup battery every3~5 years regularly to prevent configuration program loss after unexpected power outage

Complete full controller program backup via Composer software before firmware upgrade or field module replacement operation

All fieldbus and network wiring adopt full-shield cable construction to restrain on-site EMI interference avoiding intermittent communication drop-out