User Guide
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11.2.2
Input Signals
The "digital" inputs have the following characteristics:
>polarized type, input device
optocoupler, photo-diode, cathode
side
>logic Level
active low, zero voltage input
>max open circuit output voltage:
6 VDC
>max current sinking requirement:
5mA
>logic low time for momentary
150mS, minimum
The diagram below is a sample connection method which may be utilized for
the S2000 rear panel I/O connections:
Figure 8 Rear Panel Sample Connection