Trumen LSVR Series, Инструкция по эксплуатации

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Series relay will be energized in normal or healthy condition. Series relay will be de-
energized in alarm condition. Failsafe defines that the alarm and power failure / device
failure conditions are same to the external system. Failsafe operation is best understood
with the type of installation and following matrix.
Normal
or
healthy
Off
Alarm
Alarm
On
Failsafe
Setting Material &
Installation Status
LED
1 2 3 4
ON
min failsafe
1 2 3 4
ON
min failsafe
Switching
Operation
When switch no. 4
is off (failsafe high /
maximum).
output status shows
normal when there
is no material at high
switch point or rod
is out of the material.
When switch no. 4
is off (failsafe high /
maximum).
output status shows
alarm if rod is
dipped in material at
high switch point.
When switch no. 4
is on (failsafe low /
minimum).
output status shows
alarm when there is
no material at low
switch point or rod
is out of the material.
When switch no. 4
is on (failsafe low /
minimum).
output status shows
normal if rod is
dipped in material at
low switch point.
Series Relay Status
Alarm/
Normal
lsvr-manual-annexure-4 www.trumen.in Page 2
Annexure-4
Operation Matrix
- LSVR-AR (EIAR)
High level /
overflow detection
Low level / underflow detection
Power ON Power OFF
1 2 3 4
ON
min failsafe
Series relay
on Series relay
off (due to
power
failure)
Red
Green
On
Red
Off
Green
1 2 3 4
ON
min failsafe
Normal
or
healthy
Off
On
Red
Green
On
Red
Off
Green
Series relay
off
Series relay
off
(as it is)
Series relay
off
Series relay
off
(as it is)
Series relay
on Series relay
off (due to
power
failure)
1 2
L N
1 2
L N
1 2
L N
1 2
L N
1 2
L N
1 2
L N
1 2
L N
1 2
L N