FOXBORO FBM201D 8-Channel Galvanically Isolated 0~10VDC Voltage Analog Input Fieldbus Module I A Series Compact 200
- Product Code: FBM201D
- Availability: In Stock
FOXBORO FBM201D 8-Channel Galvanically Isolated 0~10VDC Voltage Analog Input Fieldbus Module I/A Series Compact 200
Manufacturer: FOXBORO (Schneider Electric Process Automation)
Part Number: FBM201D (hardware PN P0922YK; Compact 200 Series voltage dedicated AI variant)
Product Type: Voltage-type analog input FBM module, channel-by-channel galvanic isolation, HART signal electrical compatible, FBM hot redundant support
Matching Platform: Foxboro I/A Series DCS, MESH fiber control network, FCM100E redundant fieldbus gateway, ZCP270/ZCP280 main controllers, voltage TA passive termination base, AD916CC shielded interconnection cable, DIN rail modular baseplate
Core Function: 8 independent galvanically isolated 0~10VDC voltage input channels; supports self-powered voltage transmitters, potentiometer signals, external divider voltage measurement; native HART FSK signal electrical compatibility; high-precision Σ-Δ ADC conversion; user-configurable integration filter period & rate-of-change alarm threshold; per-channel open/short circuit real-time fault diagnosis; multi-stage TVS surge protection for each channel; master-tracker dual FBM hot redundant bumpless millisecond switchover; front panel multi-color LED array for RUN/BUS/FAULT/channel status; redundant 2Mbps HDLC fieldbus communication; ISA G3 Class harsh industrial PCB; optional anti-salt-fog conformal coating for offshore platforms; single-width Compact FBM hot-swap replaceable
1. Product Overview
FBM201D is a dedicated voltage acquisition analog input module of Foxboro Compact 200 Series I/O subsystem, differentiated from FBM201 (0~20mA current), FBM201b (mV), FBM201c (0~5V), specially developed for industrial 0~10VDC voltage signal measurement scenarios, widely used in petrochemical, power and offshore platform DCS systems for potentiometer displacement, external divider pressure, self-powered voltage transmitter signal collection.
8 fully independent channels adopt full channel-to-channel & channel-ground galvanic isolation to eliminate cross-talk interference between measuring loops caused by ground potential difference. Input range fixed 0~10.4VDC, compatible with HART superimposed digital signals without extra signal conditioning equipment, can read both analog voltage value and HART instrument parameter data.
Adopts high-resolution sigma-delta conversion circuit, stable measurement accuracy under wide ambient temperature fluctuation; software configurable integration time to filter 50/60Hz power frequency electromagnetic noise, effectively suppress motor, inverter and power cabinet interference signals. Built-in rate-of-change alarm logic, automatically triggers interlock alarm when voltage rises/falls beyond the set rate to avoid equipment overtravel hidden danger.
Full-channel real-time self-diagnosis function continuously detects sensor open circuit, short circuit and voltage out-of-range faults, fault codes uploaded to DCS HMI synchronously with front panel LED visual alarm, realizing rapid on-site fault positioning without portable measuring instruments. Each channel is equipped with multi-stage surge suppression circuit to prevent batch module burnout caused by miswiring short-circuit.
Supports paired master-tracker hot redundant architecture: two FBM201D share one voltage TA terminal base via redundant adapter, synchronous sampling operation; millisecond-level seamless switchover without voltage signal fluctuation when main module fails, eliminating single-point failure risk of critical voltage measuring loops such as valve displacement, reactor level and compressor pressure.
Communicates with upper FCM gateway via dual redundant 2Mbps HDLC fieldbus, single-width compact mechanical structure saves cabinet layout space, matched with AD916CC multi-layer shielded cable for centralized cabinet marshalling wiring. Conforms to ISA S71.04 Class G3 harsh environment standard, resistant to dust, high humidity and weak chemical volatile gas; optional IPC-CC-830 anti-corrosion coating for offshore salt-fog corrosive control rooms.
This FBM201D voltage analog input module is standard spare voltage acquisition I/O hardware for I/A Series DCS cabinets, used for new cabinet construction, old system technical transformation and routine voltage measuring channel fault replacement maintenance.
