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Chapter 6 - Pump control application
POWERXL DM1 SERIES VARIABLE FREQUENCY DRIVES MN040049EN—September 2021 www.eaton.com
Table 49. Pump parameters (Cont.).
P9.2.2
ab
Valve timeout
ID 1848
Minimum value:
1.00 s
Maximum value:
32,500.00 s
Default value:
5.00 s
Description:
The timeout time used for an interlocked time start, after which the start sequence must be restarted if no acknowledgement contact is
received.
P9.2.3
ab
Valve delay
ID 1849
Minimum value:
1.00 s
Maximum value:
32,500.00 s
Default value:
5.00 s
Description:
The delay time following a delay start, after which the frequency converter will be started.
P9.2.4
ab
Back spin delay
ID 2423
Minimum value:
0.00 s
Maximum value:
32,500.00 s
Default value:
0.00 s
Description:
Run delay time parameter sets the time required for the drive to wait before another run command can be received. During this time,
the run signal is given. It is ignored until the time has expired upon which it will then start. This is true for keypad, I/O, or Fieldbus
Control places.
P9.2.5
ab
Minimum run time
ID 1813
Minimum value:
0.00 s
Maximum value:
32,500.00 s
Default value:
0.00 s
Description:
Drive minimum run time.
P9.2.6
b
Minimum frequency ramp time
ID 1850
Minimum value:
0.10 s
Maximum value:
2,000.00 s
Default value:
10.00
Description:
Ramp time for output to minimum frequency.
P9.3 - Multi-pump multi-drive (*DM1 PRO).
P9.3.1
ab
Multi-pump mode
ID 2279
Minimum value:
N.A.
Maximum value:
N.A.
Default value:
0
Options:
0 = Disabled or
1 = Multi-drive network.
Description:
Determines the number of drives being used in the multi-pump configuration:
0 = Single drive - single drive for main motor, contactors used on other motors; or
1 = Multi-drive - multi-follower sequence with multiple drives.
P9.3.2
ab
Number of drives
ID 2449
Minimum value:
1
Maximum value:
5
Default value:
1
Description:
This defines the number of drives active when doing the multi-drive pump and fan scheme. By default, there will be always one drive
active at one time. By setting value to above one, it allows for bringing in additional drives to maintain the sytem.
Table 34. Pump parameters (Cont.).
P9.3.3
ab
Drive ID
ID 2278
Minimum value:
0
Maximum value:
5
Default value:
0
Description:
This parameter defines the drive address when using mult- drive pump mode. Based off this ID, the drive enables in the desired
sequence and can be monitored at this drive ID value in the monitor screen.
P9.3.4
ab
Regulation source
ID 2284
Minimum value:
N.A.
Maximum value:
N.A.
Default value:
0
Options:
0 = Network only or
1 = PI controller.
Description:
For drives that have been connected with both start/stop signal and PI feedback - can be set up as "Feedback", so they will have ability
to be the master.
P9.3.5
b
PI bandwidth
ID 2458
Minimum value:
0.00 varies
Maximum value:
6,000.00 varies
Default value:
10.00 varies
Description:
Percentage based off the setpoint above and below which defines when the auxiliary motor will come online or offline.