
X-HART 32 01
3 Product Description
HI 801 307 E Rev. 5.00
Page 15 of 58
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 for the I/O indicators signal the status of the HART channels. Channel 1…32 (the
upper LEDs) signal the HART status of the corresponding channel. WP 1…32 (the lower LEDs)
indicate the write protection for the HART commands.
LED
Color
Status
Description
Channel
1…32
Yellow
On
Channel is used, HART communication is OK
Blinking2
Channel fault
Off
HART deactivated
Field
Red
Blinking2
HART communication error with field device in at
least one channel
Off
HART communication OK for all channels or
deactivated.
WP
1…32
Yellow
On
Write protection configured
Off
Write protection not configured
Table 6: I/O Indicators LEDs