ABB REX 521 - Manual Control; Local;Remote Position Selection

18
1MRS 751107-MUM
Protection Relay
Operator’s Manual
REX 521
Fig. 3.2.2.-1 Event view
3.2.3. Manual control
3.2.3.1. 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 [
↑] and
[
↓] 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.
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.
EView
ABB
Measured values
IL1-A 25.0
Events
14 Stored
3I>> : START
L1 , L2 , L3
3I>> : TRIP
L1 , L2 , L3
2002-22-01
08:32:23.100
2002-22-01
08:32:23.100
Duration
= 0.1s
Time
08:32:23.100
Date
2002-22-01
Jump
Recorded data 3
Recorded data 2
Recorded data 1
Output data
Input data
Control setting
Setting group 2
Setting group 1
3I>>
Actual settings
Protection
Protection
3I>>
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.