© ElectroCraft 2018
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CPP-A12V80A-SA-USB Technical Reference
8.3 Digital Inputs and Outputs
8.3.1 Digital Input Circuit
+3.3V
+3.3V
Digital
Input
R
C
100
KΩ
Note: For Step and Direction digital inputs R = 10
KΩ
and C = 10pF. For In 0, Enable, Brake, Limit Switch
Positive and Limit Switch Negative digital inputs R= 20
KΩ
and C = 4700pF.
Figure 23: Digital input circuit
8.3.2 Digital Output Circuit
+5V
Digital
Output
590
Ω
47V
Figure 24: Digital output circuit