DR4300 Circular Chart Recorder
TB1
34
Main PCA
Pen 2
TB2
P3D
Figure 2-12 Digital Input Wiring
DR4300 Circular Chart Recorder Product Manual
Main PCA
Pen 1
TB1
J9
Digital
Input
Switch #1
Digital
Input
Switch #2
Connect shield
to ground at
one end only
Switch
Common
TB2
Digital
Input PCA
24142
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