X20 system modules • Digital input modules • X20DI4760
994
X20 system User's Manual 3.10
4.13.10.4 Status LEDs
For a description of the various operating modes, see section 2.11.1 "re LEDs".
Image
LED
Color
Status
Description
Off
No power to module
Single flash
RESET mode
Blinking
PREOPERATIONAL mode
r
Green
On
RUN mode
Off
Module supply not connected or everything OK
On
Error or reset status
e
Red
Single flash
Error on at least one channel
e + r
Red on / Green single flash
Invalid firmware
Off
Open line or input status log. 0
1 - 4
Green
On
Short circuit or input status log. 1
Off
The sensor is ready for operation
Blinking 1Hz
Open line on corresponding channel
1 - 4
Red
On
Short circuit on corresponding channel
4.13.10.5 Pinout
1
X
20
D
I 4
76
0
2
K1 +
K1 -
K2 +
K2 -
K3 +
K3 -
K4 +
K4 -
3 4
r
e
1 2
3 4
4.13.10.6 Connection example
GND
+24 VDC
GND
+24 VDC
DI
NAMUR
Sensor
NAMUR
Sensor
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