1. Standard I/O interface over view
1.6
Typical output signal connection
■ NPN specifications
Chapter
5
c
CAUTION
• When an inductive load (solenoid, relay, etc.) is used, always connect a
• In the case of NPN specifications, do not short DO output to DC 24v since
■ PNP specifications
c
CAUTION
In the case of PNP specifications, do not short DO output to GND since this
will damage the internal circuitry.
5-10
diode in parallel as a surge killer.
this will damage the internal circuitry.
DC24V
DO
GND
DC24V
DO
GND