VIPA System 300V - Operating Modes

Manual VIPA System 300V Chapter 3 Profibus DP
HB130E - IM - Rev. 08/26 3-45
Using the diagnostic LEDs
The following example shows the reaction of the LEDs for different types of
network interruption.
A
B
Slave 1
Slave 2
Maste
r
LED
Slave 1
Position of
interruption
LED A B
RD Blinks Off
ER Off On
DE Off Off
LED
Slave 2
Position of
interruption
LED A B
RD blinks On
ER Off Off
DE Off On
Interruption at position A
The Profibus has been interrupted.
Interruption at position B
Communication via the backplane
bus has been interrupted.