User manual - RATEMETER STI-638
Figure 4.14. An example of sensor connection with common plus
Figure 4.15. Examples of OC-type outputs connection
14
9 10
Uo
16 17
OC
+
Voltage input
24 V
-
Logic controller
- +
+ -
9 10
Uo
16 17
OC
- +
+ -
R 2k2
LED 10 mA
- Uo +
16 17
18 19 20
22
21
n.c. n.c.
pulse
input
COM
-
+
NPN type sensor
n.c.
