3
Basic Extension Board
Digital I/O Channels and Relay Outputs (8x)
Micro-GC PRO Extension Boards User Manual
35
Figure 19.
Digital I/O jumper, relay and LED
Table 7
Digital in/output jumper
Digital voltage I/O possibilities
JP20X jumper
Digital input
+ 5 volt (from Micro-GC PRO).
LED (red)
Digital output and relay status.
LED (green)
Digital I/O signal status.
(low is “ON” or high is “OFF”)