EXPERT Standard Series User Manual
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Figure 6-72 Terminal Status Display
According to the terminal status in Figure 6-72, multi-function terminals DI1, DI2, DI4,
DI5 and DI8 are valid, DI3, DI6, DI7, DI9 and DI10 are invalid, two-way open collector
output terminal DO1 and relay output terminals TA/TB/TC are valid, two-way open collector
output terminals DO2 and DO3, and relay output terminals RA/RB/RC are invalid. There
are five normally-on pen segments in the digital tube, which is convenient for observation.