FBM04 Basic Information Model: FBM04Manufacturer: Foxboro / Schneider ElectricType: Isolated Digital Input ModuleSystem: I/A Series DCSStatus: Obsolete, spare part for replacement Product Specifications Number of Channels: 16 isolated digital input channelsInput Signal Type: 24 VDC / 48 VDC dry contact and voltage level inputInput Logic Threshold:Logic 0: 0–5 VDCLogic 1: 15–60 VDCIsolation: Galvanic isolation per channelResponse Time: Less than 10 msFieldbus: 2 Mbps redundant fieldbusPower Supply: 24 VDC ±10%Power Consumption: About 7 WOperating Temperature: -40 °C to +70 °CEnvironmental Rating: ISA S71.04 Class G3Mounting: Standard I/A Series baseplateHot Swappable: Available in redundant system configuration Key Features 16-channel fully isolated discrete input module.Suitable for dry contact switch and DC voltage signal collection.Independent channel isolation effectively prevents ground loop and electromagnetic interference.Supports redundant fieldbus communication to ensure signal transmission reliability.Built-in self-diagnostic function with LED status indication.Supports hot-swap online replacement without system shutdown. Application Introduction Used to monitor on-site switching status, limit switches, relay contacts, pump and valve running feedback signals.Widely applied in chemical, petrochemical, power generation, oil & gas and water treatment industries.Realizes interlock logic, equipment status monitoring and safety interlock protection in DCS system.