Colour
Light
Status
Blue, purple
500 ms blue, 500 ms purple
An update of a PDU is in progress
Blue, purple, red
500 ms blue, 500 ms purple, 500 ms
blue, 500 ms red
Error during the update of a PDU
In operation
Colour
Light
Status
Orange
900 ms off, 100 ms orange
Connection to Master PDU not yet estab-
lished or lost
Green, red
500 ms off, 100 ms green, 500 ms off,
100 ms red
Connection to Master PDU present, internal
communication problems have occurred
Green
Continuously green
Connection to Master PDU present, internal
communication functioning
Purple
500 ms off, 500 ms purple
An update of the internal modules of a PDU
is being carried out
Purple, red
500 ms off, 500 ms purple, 500 ms off,
500 ms red
Error during update of the internal modules
of a PDU
Red
Continuously red
The measurement monitor is issuing an
alarm
Orange
Continuously orange
The measurement monitor is issuing a
warning
The Modbus LED (Fig. 10/
Ⓐ
) indicates the activity of the PDUs
connected to the Modbus.
The Modbus LED lights up continuously green. If there is commu-
nication between the Master and a Slave PDU, the Modbus LED
lights up yellow.
Slave PDU Modbus LED
Fig. 10: Slave PDU Modbus LED
Overview
Displays and controls
01.03.2017
BlueNet PDU BN3000/3500/5000/7000/7500
10