X20 system modules • Other functions • X20PD2113
2322
X20 system User's Manual 3.10
4.26.9.4 LED status indicators
Figure
LED
Color
Status
Description
Off
No power to module
Single flash
RESET mode
Blinking
PREOPERATIONAL mode
r
Green
On
RUN mode
Off
No power to module or everything OK
On
Error or reset status
Single flash
Fuse defective or missing
Double flash
Supply voltage too low
e
Red
Triple flash
Internal I/O supply OK but fuse defective and supply voltage too low
e + r
Red on / Green single flash
Invalid firmware
4.26.9.5 Pinout
X
20
P
D
2
11
3
r
e
GND
+24 VDC
GND
+24 VDC
GND
GND
+24 VDC
+24 VDC
GND
+24 VDC
GND
+24 VDC
Figure 779: X20PD2113 - Pin assignments