X20 system modules • Counter modules • X20DC4395
X20 system User's Manual 3.10
853
4.11.17.4 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
Double flash
BOOT mode (during firmware update)
1)
Blinking
PREOPERATIONAL mode
r
Green
On
RUN mode
Off
No power to module or everything OK
e
Red
On
Error or reset status
1 - 8
Green
Status of the corresponding digital signal
1)
Depending on the configuration, a firmware update can take up to several minutes.
4.11.17.5 Pinout
Shielded cables must be used for all signal lines.
X
20
D
C
4
39
5
r
e
Encoder 1 24 V+
GND
Channel 1
Channel 2
Channel 3
Channel 4
Encoder 2 24 V+
GND
Channel 5
Channel 6
Channel 7
Channel 8
1
4
5
2 6
3 7
8
4.11.17.6 Connection example
DC
C
ou
nt
er
2
GND
+24 VDC
GND
+24 VDC
C
ou
nt
er
1
Data
Cycle
A
B
R
PWM
Data
Cycle
A
B
R
PWM