MATRIX 400™ REFERENCE MANUAL
58
4
CBX100/500 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 MATRIX 400™ POWER
CAUTION
Power is available directly to the Input Device, independently from the Power
Supply Switch inside the CBX.
Power to
Input Device
Input Input Device
Signal Reference
Input Device
PNP Input 2 Using MATRIX 400™ Power
Power to Input
Input Device Signal
Input Device
Reference
Input Device
NPN Input 2 Using MATRIX 400™ Power
INPUT 2 CONNECTIONS USING EXTERNAL POWER
Pulled down to External
Input Device Reference
Input
Signal
Input Device
Figure 66 - PNP Input 2 Using External Power