Control Modules
The Processor module (PSI O), 8-input (Option s ) mo dul es, Starter Managem ent Module
(SMM), and the Local Interface Device (LID) module perform continuous diagnostic evaluations
of the hardware to d etermine its condi tion. Proper operat ion of all modules is indicated by LED s
(light-emitting diod es) located on the side of the LID, and on the top horizon tal surface of the
PSIO, SMM, and 8-input modules.
Click here for Table 11A — Th ermistor Temper ature (F) vs Re sistance/Voltag e Drop
Click here f or Table 11B — The rmistor Temp erature (C) vs R esistance/Vol tage Drop
CAUTION CAUTION
!
Turn controller power off before servicing controls. This ensures safety and pre-
vents damage to control l er.