FBM20

Basic Information

Model: FBM20

Manufacturer: Foxboro / Schneider Electric

Type: 8 Channel Isolated Pulse Input Module

System: I/A Series DCS

Status: Obsolete, spare part only

Specifications

Channel Count: 8 isolated pulse input channels

Input Signal: Pulse, frequency, square wave

Frequency Range: 0 Hz to 10 kHz

Isolation: Galvanic isolation channel-to-channel and channel-to-ground

Resolution: 16 bit

Fieldbus: 2 Mbps redundant fieldbus

Power Supply: 24VDC ±10%

Power Consumption: 8W max

Operating Temperature: 0°C to +60°C

Environmental Rating: ISA S71.04 Class G3

Mounting: Standard I/A Series baseplate

Hot Swappable: Available in redundant configuration

Key Features

High density 8-channel isolated pulse and frequency input.

Compatible with flow meters, speed sensors and pulse transmitters.

Precise frequency and total pulse counting function.

Full galvanic isolation eliminates interference and signal distortion.

Redundant fieldbus provides stable data transmission.

Onboard LED status indication and self-diagnostic capability.

Supports online hot-swap replacement.

Application

Pulse signal acquisition for flow, rotation speed and turbine instruments.

Accumulation and measurement of process pulse signals.

Applied in chemical, petrochemical, power, oil & gas and water treatment industries.