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 High accuracy achieved by sigma-delta data conversions for each channel  Termination Assemblies (TAs) for locally or remotely connecting field wiring to the Compact FBM201 module  Termination Assemblies for per channel internally and/or externally loop powered transmitters. COMPACT DESIGN The Compact FBM201’s design is narrower than the standard 200 Series FBMs. It has a rugged Acrylonitrile Butadiene Styrene (ABS) exterior for physical protection of the circuits. Enclosures specially designed for mounting the FBMs provide various levels of environmental protection, up to harsh environments per ISA Standard S71.04. HIGH ACCURACY For high accuracy, the modules incorporate sigmadelta data conversion on a per-channel basis, which can provide a new analog input reading every 25 ms, and a configurable integration period to remove any process noise and power-line frequency noise. Each time period, the FBM converts each analog input to a digital value, averages these values over the time period, and provides the averaged value to the controller. VISUAL INDICATORS Red and green light-emitting diodes (LEDs) incorporated into the front of the module provide visual status indications of the FBM operational status. EASY REMOVAL/REPLACEMENT The module mounts on a Compact 200 Series baseplate. Two screws on the FBM secure the module to the baseplate. The module can be removed/replaced without removing field device termination cabling, power, or communication cabling. TERMINATION ASSEMBLIES Field I/O signals connect to the FBM subsystem via DIN rail mounted TAs. The TAs used with the Compact FBM201 modules are described in “TERMINATION ASSEMBLIES AND CABLES” on page 7.