3. External Connection
40
PIO-16/16RL(PCI)H
Connection to the LED
O-20 (CN1 : 21pin)
Output plus common (CN1 : 37pin)
External
power supply
12 - 24VDC
5.1k
Ω
LED
B
oa
rd
s
id
e
When outputting 1 to the corresponding bit, LED is ON.
When outputting 0 to the corresponding bit, by contrast, LED is off.
+
-
Figure 3.6. An Example to use Output O-20