3 Product Description
X-DO 12 01
Page 16 of 52
HI 801 023 E Rev. 5.00
3.4.4
System Bus Indicators
The system bus LEDs are labeled Sys Bus.
LED
Color
Status
Description
A
Green
On
Physical and logical connection to the system bus
module in slot 1.
Blinking1
No physical connection to the system bus module in
slot 1.
Yellow
Blinking1
The physical connection to the system bus module in
slot 1 has been established.
No connection to a (redundant) processor module
running in system operation.
B
Green
On
Physical and logical connection to the system bus
module in slot 2.
Blinking1
No physical connection to the system bus module in
slot 2.
Yellow
Blinking1
The physical connection to the system bus module in
slot 2 has been established.
No connection to a (redundant) processor module
running in system operation.
A+B
Off
Off
Neither physical nor logical connection to the system
bus modules in slot 1 and slot 2.
Table 5:
System Bus Indicators
3.4.5
I/O Indicators
The LEDs of the I/O indicator are labeled Channel.
LED
Color
Status
Description
Channel
1…12
Yellow
On
The corresponding channel is active (energized)
Blinking2
Channel fault
Off
The corresponding channel is not active (de-
energized)
Field
Red
Blinking2
Without function!
Off
Table 6:
I/O Indicators
