X20 system modules • Digital input modules • X20DI6553
X20 system User's Manual 3.10
1021
4.13.14.4 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
e
Red
Double flash
External supply is too low or not connected
e + r
Red on / Green single flash
Invalid firmware
1 - 6
Green
Input status of the corresponding digital input
4.13.14.5 Pinout
DI 1
DI 3
DI 5
DI 2
DI 4
DI 6
1
X
20
D
I 6
55
3
2
3 4
L
L
N
L
L
N
r
e
5 6
4.13.14.6 Connection example
GND
+24 VDC
GND
+24 VDC
Sensor 3
Sensor 1
Sensor 4
Sensor 2
N
N
L
L
Sensor 5
Sensor 6
DI