LEDs, connectors, buttons
2.5 Maintenance mode
IE/PB LINK PN IO
28
Operating Instructions, 11/2017, C79000-G8976-C393-02
Figure 2-2
Redundant power supply
Table 2- 8
Pin assignment of the socket for the power supply
Labeling
Function
L1+
24 V DC
M1
Reference ground
M2
Reference ground
L2+
24 VDC
For information on the connector, refer to the section "Installing and connecting up the LINK
(Page 36)".
You will find further data on the power supply in section Technical data (Page 77).
2.5
Maintenance mode
Changing to the maintenance mode using the button
The functions of the maintenance mode are obtained as follows:
Table 2- 9
Functions of the maintenance mode
Operating mode
before pressing the
button
Pressing the button
Effect
Normal mode
Press the button for 3 seconds
The LINK changes to maintenance
mode You can use the following func-
tions:
•
Restart
•
Resetting to factory settings
Without any further actions, the LINK
returns to the normal mode after 5
minutes.
Maintenance mode Press the button for 1 second
The maintenance mode is extended
by 5 minutes.