Mounting and wiring
KL320x
28
Version: 4.4
KL3204/ KL3204-0030
Fig. 15:
KL3204/ KL3204-0030
– connection and LEDs
Terminal point No. Comment
+R1
1
Input +R1
-R1
2
Input –R1
+R3
3
Input +R3
-R3
4
Input -R3
+R2
5
Input +R2
-R2
6
Input –R2
+R4
7
Input +R4
-R4
8
Input -R4
Table 1: LED description
LED
Color
Description
Run**)
green
On:
Normal operation
Off:
Watchdog-timer overflow has occurred. If no process data is transmitted
to the bus coupler for 100 ms, the green LEDs go out
Error
red
On:
The respective channel is affected by a short circuit or broken wire. The
resistance is in the invalid range of the characteristic curve.
Off:
The resistance is in the valid range of the characteristic curve.
**) not KL3204, KL3204-0030
