ABB ACS880 ESP, Firmware Manual

Page: 314 / 494

314 Parameters
78
78 Pump underload
protection
Pump underload protection function.
78.01 Underload limit
display Selects the pump underload protection measurement as
torque or current. See
Pump underload protection , page
44 .
Torque
Torque Rod torque value for rod torque protection. See
parameters
78.03 Torque1 , 78.05 Torque2 and 78.07
Torque3 , which are percentage of rod torque limits in
parameter 74.19 Maximum rod torq ref .
0
Current Motor current value for pump underload protection. See
parameters,
78.03 Torque1 , 78.05 Torque2 and 78.07
Torque3 , which are percentage of motor current limits in
parameter 99.06 Motor nominal current .
1
78.02 Underload function Selects the Pump underload protection function. See
section
Settings on page 44 .
No
No No reaction on protection condition. 0
Warning Display warning message. 1
Fault The control program triggers a fault condition and displays
the warning message.
Note: The fault is triggered only after the pump stops. 2
78.03 Torque1 Defines the torque 1 value used for the Y position of the
first X-Y plot to create the user defined underload curve for
the system. 1600.00 T(%)
or A(%)
0.00...10000.00 T (%) Torque 1 10 = 1 T(%) or
A(%)
78.04 Speed1 Defines the Rod speed 1 value used for the X position of
the first X-Y plot to create the user defined underload
curve for the system. 0.00 Prpm,
rpm or Hz
-3600.00
...3600.00 Prpm Speed 1 10 = 1 Prpm,
rpm or Hz
78.05 Torque2 Defines the Rod torque 2 value used for the Y position of
the second X-Y plot to create the user defined underload
curve for the system. 1600.00 T(%)
or A(%)
0.00...10000.00 T(%) Torque 2 10 = 1 T(%) or
A(%)
78.06 Speed2 Defines the Rod speed 2 value used for the X position of
the second X-Y plot to create the user defined underload
curve for the system. 1000.00
Prpm, rpm or
Hz
-3600.00
...3600.00 Prpm Speed 2 10 = 1 Prpm,
rpm or Hz
78.07 Torque3 Defines the Rod torque 3 value used for the Y position of
the third X-Y plot to create the user defined underload
curve for the system. 1600.00 T(%)
or A(%)
0.00...10000.00 T(%) Torque 3 10 = 1 T(%) or
A(%)
No. Name/Value Description Def/
FbEq16