SPVNZBAT activates the start and alarm outputs when the battery terminal voltage
exceeds the set upper limit or drops below the set lower limit. A time delay for the
overvoltage and undervoltage alarms can be set according to definite time
characteristics.
SPVNZBAT operates after a settable operate time and resets when the battery
undervoltage or overvoltage condition disappears after settable reset time.
14.14.4
Signals
Table 396:
SPVNZBAT Input signals
Name
Type
Default
Description
U_BATT
REAL
0.00
Battery terminal voltage that has to be supervised
BLOCK
BOOLEAN
0
Blocks all the output signals of the function
Table 397:
SPVNZBAT Output signals
Name
Type
Description
AL_ULOW
BOOLEAN
Alarm when voltage has been below low limit for a
set time
AL_UHI
BOOLEAN
Alarm when voltage has exceeded high limit for a
set time
ST_ULOW
BOOLEAN
Start signal when battery voltage drops below
lower limit
ST_UHI
BOOLEAN
Start signal when battery voltage exceeds upper
limit
14.14.5
Settings
Table 398:
SPVNZBAT Non group settings (basic)
Name
Values (Range)
Unit
Step
Default
Description
Operation
Off
On
-
-
On
Operation mode Off / On
RtdBattVolt
20.00 - 250.00
V
1.00
110.00
Battery rated voltage
BattVoltLowLim
60 - 140
%Ubat
1
70
Lower limit for the battery terminal voltage
BattVoltHiLim
60 - 140
%Ubat
1
120
Upper limit for the battery terminal voltage
tDelay
0.000 - 60.000
s
0.001
0.200
Delay time for alarm
tReset
0.000 - 60.000
s
0.001
0.000
Time delay for reset of alarm
Section 14
1MRK 504 135-UEN A
Monitoring
490
Technical manual
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