Control and Signaling Elements
Control and Signaling for PU4 Module
Front Panel
Control and display elements are mounted on the module. The front panel covers some of them.
For example, in order to prevent the unit being accidentally disconnected, the front panel covers the On/Off
switch for the power supply.
[scpu4dis-160911-01.tif, 1, --_--]
Figure 4-1
Front Panel of a Unit with Analog Line Interface, CLE, and FOM Module
(1)
PU4
The PU4 controller and hence the entire SWT 3000 unit is reset with the reset button.
[scpu4jum-220513-01.tif, 1, en_US]
Figure 4-2
Position of Jumpers, Input and Signaling Elements on the PU4 Module
1
S2: Power ON/OFF
2
LED OK/GBAL
3
LED Status Interface LID-2
4
LED Status Interface LID-1
5
LED Status Interface LIA
6
S1: Reset button
4.1
4.1.1
4.1.1.1
Diagnostics and Error Handling
4.1 Control and Signaling Elements
178
Smart Communication, SWT 3000 Teleprotection, Equipment Manual
C53000-G6040-C605-1, Edition 03.2020