P&B MRAR, Руководство пользователя

Страница: 8 / 27

21/07/2010 8 MRAR 01/96 C
Front Panel
SELECT
RESET
VALUE
VALUE
ENTER
TRIP
P&B
RS ML MA
In =
Vn =
A
V Fn = 50/60
Hz
V PH
Vx =
MRAR
MODEL
SERIAL NO. =
No.
SHOT
tD2 tf
tD1
tD4
tD3
tC1
tR
MRI-IDS
PB
O LO RUN OK I
CB
No M
No L
4.2.1 Status LED's
OK - Green, Unit ready for operation;
extinguished unit inactive.
RUN - Red, AR in progress
LO - Green, AR Locked Out
O
→
I - Green, AR successful; Red, AR
Unsuccessful
CB - Red, Circuit Breaker Fault
MA - Yellow, Maintenance Alarm
ML - Yellow, Maintenance Lockout
RS - Yellow, Remote Data
Transmission
4.2.2 Adjusting LED's
SHOT - Green, Number of reclosing attempts
No- Red, Number of AR's carried out
tf - Green, Fault Time
tD1 - Green, Dead Time for the first reclosing
tD2 - Red, Dead Time for the second reclosing
tD3 - Green, Dead Time for the third reclosing
tD4 - Red, Dead Time for the fourth reclosing
tC1 - Green, Close Impulse Time
tr - Green, Reclaim Time
No
→
M- Green, Number of reclosing attempts until Maintenance Alarm
No
→
L - Green, Number of reclosing attempts until Maintenance Lockout
4.2.3 Remote data communication
As an option, the MRAR may have an RS485 interface for remote data communication with a control
centre. The unit provides the following information:
•
Status signals
•
Relay settings
•
Self supervision alarm signal