ELECTRICAL CONNECTIONS
5
Pulled up to External
Input Device Power
Input
Signal
NPN Photocell
Figure 36 - NPN External Trigger Using External Power
5.7.2 Generic Input (Input 2)
Pinout
Function
+V
Power Source – Inputs
I2A
Input 2 A (polarity insensitive)
I2B
Input 2 B (polarity insensitive)
-V
Power Reference - Inputs
INPUT 2 CONNECTIONS USING READING DEVICE POWER
CAUTION
Power is available directly to the Input Device, independently from the Power
Supply Switch inside the SC4000.
Power to
Input Device
Input Input
Device
Signal Reference
Input Device
PNP Input 2 Using SC4000 Power
Power to
Input
Input Device Signal
Input Device
Reference
Input Device
NPN Input 2 Using SC4000 Power
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