Manual Control; Local/Remote Position Selection - ABB REX 521 Operator's Manual

REX 521
3.2.3.
3.2.3.1.
18
Protection Relay
Operator's Manual
ABB Measured values
IL1-A
Protection Protection
3I>>
Fig. 3.2.2.-1 Event view

Manual control

Local/Remote position selection

The control position can be changed in Control\Manual control\
Local/Remote.
• The control mode can be selected by pressing the [E] button and using the [
↓
[ ] buttons.
• The [E] button confirms the selected mode and the [C] button cancels the
selection and keeps the current mode.
For password handling, refer to section "Passwords" on page 13.
Table 3.2.3.1-1 Control positions
Control position Description
Control off Local and remote operations are inhibited. The current state of the object
is shown in the control menu.
Local Object can be controlled from the HMI and the digital inputs. Remote
control is inhibited.
Remote Object can be controlled via remote communication. Control from the
HMI and digital inputs is inhibited and the object state is shown in the
control menu.
External input The digital input programmed for selector Local/Remote is used for
selecting between the local and remote modes. When selected the mode
will be displayed as Local (ext.) or Remote (ext.) depending on
the digital input state.
The selected control position remains the same during auxiliary power-off.
When the local mode is selected, the character "L" is shown in the bottom-right
corner of the HMI main view. However, if the language in the relay is other than
English, the character that is shown in the display depends on the selected language.
Events
25.0
14 Stored
3I>> : TRIP
L1 , L2 , L3
3I>> : START
L1 , L2 , L3
3I>>
Actual settings
Setting group 1
Setting group 2
Control setting
Input data
Output data
Recorded data 1
Recorded data 2
Recorded data 3
1MRS 751107-MUM
2002-22-01
08:32:23.100
2002-22-01
08:32:23.100
Jump
Date
2002-22-01
Time
08:32:23.100
Duration
= 0.1s
↑
] and