3. External Connection
34
SMC-4DL-PCI, SMC-8DL-PCI
Control signal/general-purpose signal output circuit
(OUT1 - OUT3, ERC, CP1, CP2)
Output circuit of each output signal on this product is illustrated below. The signal output is an
open-collector output. A ground wire must therefore be connected for driving.
-
+
+12 - +24VDC
GND
OUT1 - OUT3
Board
Driver Unit
Figure 3.9. Output circuit