Pepperl+Fuchs HD2-DM-A Manual page 30

Advanced Diagnostics
Product Description
3.3.3 LED Indication
1
PWR
ERR
LINK/
ACT
HD2-
GT -
2AD.
FF .IO
Diagnostic
Gateway
CH 1
CH 2
COM
ALM
1 Power supply
2 Error
3 Link/Activity
4 Diagnostic bus channel 1
5 Diagnostic bus channel 2
6 COM, not used
7 Alarm
LED Indication
PWR lights up green
ERR lights up red
ERR flashes red
LINK/ACT lights up yellow
LINK/ACT flashes yellow
CH1/CH2 lights up yellow
CH1/CH2 flashes yellow
ALM flashes red
30
2
3
4
5
6
7
Description
The power supply is connected properly
A hardware failure is detected
An ADM conflict is detected (same address on both diag-
nostic bus channels)
A link is established
Ethernet activity
FF mode: ADMs are detected with an address between
1 ... 16
FDS/OPC mode:
• FDS is connected
• DTM communication to at least 1 device in the last 3
seconds
• At least 1 configured device is active
FF mode: ADMs are detected with an address range out-
side 1 ... 16
FDS/OPC mode:
• FDS is not connected
• At least 1 device is active (while scanning the range of
all valid MODBUS addresses)
Common alarm output is active (open)