Products Description
Foxboro FBM207 Voltage Monitor Discrete Input Fieldbus Module

Technical Specifications
Model:FBM207
Brand:Foxboro
System compatibility:I/A Series DCS FBM200 series fieldbus I/O subsystem,works with FCP/FCM controller,matched with corresponding termination assembly and pre‑terminated cable
Function:16‑channel galvanically isolated discrete input fieldbus module,voltage‑monitor type for external powered field switch and status‑feedback signals,15‑60VDC on‑state detection range,supports discrete‑input,pulse‑counting and sequence‑of‑events recording functions,configurable debounce filter time(0/4/8/16/32ms),supports single‑mode or redundant‑pair installation for high‑availability control loops
Installation:Baseplate‑mount installation,mated with dedicated FBM baseplate and matched termination assembly
Input channel:16‑channel discrete voltage‑monitor input,15‑60VDC logic‑on range,0‑5VDC logic‑off range,channel‑to‑channel galvanic isolation,3000V RMS isolation rating
Circuit feature:Per‑channel over‑voltage protection,pulse‑input processing circuit,configurable hardware debounce filter
Feature:Support hot‑swap online replacement without subsystem power‑off,redundant 2Mbps fieldbus communication with FCP/FCM controller,supports redundant pairing on adjacent baseplate slots
Diagnostic:Front‑panel multi‑color LED indicators for power and fieldbus communication status
Power supply:24VDC via FBM baseplate backplane,max 3W power consumption
Protection:Transient surge absorption for each signal terminal
Environmental standard:Compliant with ISA‑S71.04 Class G3 industrial atmospheric condition
Housing:Aluminum alloy metal housing,slot‑in mechanical locking structure
Protection class:IP20
Horizontal operating temperature:‑20℃ ~ +60℃
Vertical operating temperature:‑20℃ ~ +85℃
Storage temperature:‑40℃ ~ +85℃
Relative humidity:5%‑95% non‑condensing
Weight:1.00kg
Dimensions:36mm ×128mm ×144mm
Certification:CE,UL

Built‑in function
FBM207 voltage‑monitor discrete input module converts field‑side external‑powered switch‑status signals to digital process data for Foxboro I/A‑Series DCS system. Channel‑by‑channel galvanic isolation effectively suppresses ground‑loop interference inside instrument cabinet. Configurable debounce filter eliminates field‑contact bounce interference. It supports pulse counting and sequence‑of‑events timestamp recording for plant‑interlock‑event tracing. Hot‑swap supports online module replacement without system shutdown,widely applied for valve‑position feedback,motor‑status‑monitoring‑loop maintenance in petrochemical,chemical and power‑plant facilities.
Product Brief
FBM207 belongs to Foxboro I/A Series legacy DCS discrete‑input spare‑part family,obsolete original baseplate‑mount 16‑channel voltage‑monitor discrete‑input module component. Must match with corresponding FBM baseplate and matched termination assembly. Widely used for original Foxboro DCS equipment maintenance and renovation. ESD anti‑static protection shall be followed during installation.