Delta AH500 - 4.8.2 Wiring Digital Output Terminals; 4.8.2.1 Output Circuits

AH500 Hardware and Operation Manual
4-62
4.8.2 Wiring Digital Output Terminals
4.8.2.1 Output Circuits
There are three types of output units. They are relay outputs, transistor outputs, and TRIAC outputs.
1. Relay output
2. Transistor output
Load through
which the direct
current flows
DC power supply
ZP
Y0.0
UP
+
NPN transistor output (sinking)
Load through
which the direct
current flows
ZP
Y0.0
UP
+
DC power supply
PNP transitor output (sourcing)
3. TRIAC output
Load through which the
alternating current flows
AC power supply
I
/O relay output
Load through which the
alternating current flows