June 2021
Installation, Operation and Maintenance Manual
MAN712 Rev. 9
Section 5: Working Principle and Detailed Description
Working Principle and Detailed Description
30
The table below describes the ELBS-20 working modes. For the SOV Control availability
see Section 5.2.8.
Table 4.
Power
Supply
Operating
Modes
Working mode
Card
Status
Sample
Rate
Input- Output – Interfaces Availability
DI DO
AO
(if enabled)
MODBUS
(if enabled)
Local
Operator
RS232
(if enabled)
RS485
(if enabled)
BLUE
(if enabled)
Ext.
VC
All ON
S.Rate
ON
ON
ON
ON
Push any
button
ON
ON
ON
ACQ
All ON
S.Rate
ON
ON
ON
ON
Push any
button
ON
ON
ON
VC+ACQ
All ON
S.Rate
ON
ON
ON
ON
Push any
button
ON
ON
ON
SLEEP (1)
All ON
None
ON
ON
(3)
OFF
ON
Push any
button
ON
ON
ON
SLOW
All ON
Slow
S.Rate
ON
ON
ON
ON
Push any
button
ON
ON
ON
Battery
Pack
VC
Disp: OFF
Inter: OFF
Proc: Sleep
S.Rate
OFF
ON
(2)
OFF
OFF
Push
ENTER
button
ON after
EXTERNAL
WAKE-UP
ON after
EXTERNAL
WAKE-UP
ON after
EXTERNAL
WAKE-UP
ACQ
Disp: OFF
Inter: OFF
Proc: Sleep
S.Rate
OFF
ON
(2)
OFF
OFF
Push
ENTER
button
ON after
EXTERNAL
WAKE-UP
ON after
EXTERNAL
WAKE-UP
ON after
EXTERNAL
WAKE-UP
VC+ACQ
Disp: OFF
Inter: OFF
Proc: Sleep
S.Rate
OFF
ON
(2)
OFF
OFF
Push
ENTER
button
ON after
EXTERNAL
WAKE-UP
ON after
EXTERNAL
WAKE-UP
ON after
EXTERNAL
WAKE-UP
SLEEP (1)
Disp: OFF
Inter: OFF
Proc: Sleep
None
OFF
ON
(2)
(3)
OFF
OFF
Push
ENTER
button
ON after
EXTERNAL
WAKE-UP
ON after
EXTERNAL
WAKE-UP
ON after
EXTERNAL
WAKE-UP
SLOW
Disp: OFF
Inter: OFF
Proc: Sleep
Slow
S.Rate
OFF
ON
(2)
OFF
OFF
Push
ENTER
button
ON after
EXTERNAL
WAKE-UP
ON after
EXTERNAL
WAKE-UP
ON after
EXTERNAL
WAKE-UP
NOTES:
(1)
In the SLEEP Operating Mode the ELBS-20 does not measure Pressure and Position.
(2)
DO7 (single side stable relay) is not available.
(3)
Pressure, position and Battery Packs voltages are not measured so DOs dealing with
the Battery Packs are not updated.
