X20 system modules • Bus receivers and Bus transmitters • X20BT9400
X20 system User's Manual 3.10
615
4.8.4.4 LED status indicators
For a description of the various operating modes, see the 2.11.1 "re LEDs" section.
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
e
Red
Double flash
LED indicates one of the following states:
•
I/O supply too low
•
X2X Link voltage too low
e + r
Red on / Green single flash
Invalid firmware
Off
No X2X Link communication
X
Orange
On
X2X Link communication active
Off
The X67 / X2X Link supply is within the valid limits
l
Red
On
The X67 / X2X Link supply for the power supply is overloaded
Remedy:
Use additional X67PS1300 supply modules
4.8.4.5 Pinout
X
20
B
T
94
00
X2X
X2X\
X2X⊥
GND
GND
+24 V X2X X67
+24 V X2X X67
+24 V I/O
+24 V I/O
X
I
r
e
X2X+
4.8.4.6 Connection examples
With 2 separate supplies
+
_
+
_
GND
+24 VDC
I/O
Power supply
X2X
X2X\
X2X
⊥
X67 X2X Link
Power supply
X2X+
BT
10 A slow-blow
Figure 243: Connection example with 2 separate supplies
Summary of Contents for X20 System
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