ABB ACS310 User Manual page 252

252 Actual signals and parameters
All parameters
No. Name/Value
STOP
FAULT
4405 AI IN VERY
LOW
0.00...100.00% Supervision level
4406 DI STATUS
INLET
NOT SEL
DI1
DI2
DI3
DI4
DI5
4407 INLET CTRL
DLY
0.0...1800.0 s
4408 INLET
FORCED REF
-100.0...
100.0%
4409 OUTLET PROT
CTRL
NOT SEL
ALARM
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Description
Detection of very low inlet pressure stops the drive. The
drive starts again if the pressure exceeds the supervision
level.
Detection of very low inlet pressure trips the drive on a fault. 2
Supervision level for the secondary inlet pressure
monitoring function. See parameter
CTRL.
Selects the digital input for connection of a pressure switch
at the pump/fan inlet. The "normal" state is 1 (active). If the
selected input switches to 0 (inactive), the action defined by
parameter 4401 INLET PROT CTRL
delay set by parameter
No digital input selected
Pump/fan inlet pressure monitored through digital input DI1 1
See selection DI1.
See selection DI1.
See selection DI1.
See selection DI1.
Sets the delay after which the action defined by parameter
4401 INLET PROT CTRL
pressure
Delay time
This reference is used after detection of low inlet pressure.
See parameter 4401 INLET PROT
WARNING! Make sure that it is safe to continue
operation using this reference.
Forced reference
Enables, and selects the mode of, the primary supervision
of pump/fan outlet pressure.
Note: Outlet protection is active only when the active
reference is PID.
Primary outlet pressure supervision not used
Detection of high outlet pressure produces an alarm on the
control panel display.
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4401 INLET PROT
is executed after the
4407 INLET CTRL DLY
is taken on detection of low inlet
CTRL.
Industry Automation
Def/FbEq
1
0.00%
1 = 0.01%
NOT SEL
expires.
0
2
3
4
5
60.0 s
1 = 0.1 s
0.0%
1 = 0.1%
NOT SEL
0
1
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