20 Channel Thermocouple and DCV Scanner. Requires one FLU-2280A-175 connector
per FLU-228x series mainframe. Up to 100 channels per mainframe may be
configured. Each mainframe requires a FLU-2280A-161.
For systems beyond 100 channels, see the FLU-2281A extender chasis.
A total of 1500 channels may be configured with FLU-2286A mainframe as a base
unit combined with FLU-2281A extenders.