X20 system modules • Digital signal processing modules • X20DS1828
X20 system User's Manual 3.10
1339
4.16.4.4 LED status indicators
Figure
LED
Color
Status
Description
Off
No power to module
Single flash
Reset mode
Double flash
Boot mode (during firmware update)
Blinking
PREOPERATIONAL mode
r
Green
On
RUN mode
Off
No power to module or everything OK
On
Error or reset state. Possible cause:
•
Encoder supply error
Single flash
I/O error. Possible causes:
•
Sine/Cosine relative position error (open line)
•
Sine/Cosine absolute position error (reference)
Double flash
System error. Possible causes:
•
HIPERFACE communication error
Triple flash
I/O error and system error
Single flash, inverted
Error or reset state and I/O error
Double flash, inverted
Error or reset state and system error
e
Red
Triple flash, inverted
Error or reset state, I/O error and system error
UP
Green
On
The UP/DN LEDs are lit depending on the rotational direction and
speed of the connected encoder.
The UP LED indicates when the encoder position changes in the pos-
itive direction.
DN
Green
On
The DN LED indicates when the encoder position changes in the neg-
ative direction.
Table 429: Status display
4.16.4.5 Pinout
Shielded cables must be used for all signal lines.
X
20
D
S
1
82
8
r
e
GND
SIN
COS
REF SIN
REF COS
D\
D
UP
DN
Encoder 11V +
Summary of Contents for X20 System
Page 2: ......
