Diagnostic electronics
VSE953
17
8 Operating and display elements
For quick identification of error states, the device has two diagnostic LEDs on the device front.
NET
MOD
LEDs
1
1:
Earthing screw
8.1 Operating states of the network (NET) and mode (MOD) status
LED
Designation
Meaning
Colour
State
Description
LED NET
Network status
n.a.
Off
The device is switched
off
Green
Flashing (approx. 2 Hz) No connection has
been established, an IP
address was assigned
Green
On
Device connected to
the network
Red
On
Error on the fieldbus
LED MOD
Modbus TCP/IP status
n.a.
Off
Device is switched off
(no voltage supply)
Green
On
Device functions relia-
bly (normal operation)
Red
On
Device fault
Orange
Flashing
Firmware image is
loaded to the RAM
Orange
Flashing
Firmware image is
loaded to the flash
Green
Flashing for 2 s (ap-
prox. 2 Hz)
Firmware image has
been written correctly
to the flash
Orange
Flashing for 2 s (ap-
prox. 2 Hz)
Parameter set was suc-
cessfully transferred
GB
