Eaton PowerXL DM1 Series - Page 83

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Chapter 5 - Fan control application
POWERXL DM1 SERIES VARIABLE FREQUENCY DRIVES MN040049EN—September 2021 www.eaton.com
Table 29. PI Controller (Cont.).
P7.1.7
b
PI dead band
ID 1304
Minimum value:
-99999.99 varies
Maximum value:
99999.99 varies
Default value:
0 varies
Description:
PI dead band around setpoint in process units. This is the band where no actions occur to prevent oscillation or repeated activation/
deactivation of controller. The PI output is locked if the feedback stays within the dead band area.
P7.1.8
b
PI dead band delay
ID 1306
Minimum value:
0.00 s
Maximum value:
320.00 s
Default value:
0.00 s
Description:
If the PI process value goes out of the dead band area for the desired time delay, at that point the controller will re-initialize and try to
level out again.
P7.1.9
b
PI ramp time
ID 1311
Minimum value:
0.00 s
Maximum value:
300.00 s
Default value:
0.00 s
Description:
Defines the rising and falling ramp times for changes in the process value.
a
Parameter value can only be changed after the drive has stopped.
b
Parameter value will be set to be default when changing macros.
Table 30. Setpoint (Cont.).
P7.2.1 - Standard.
P7.2 .1.1
b
PI keypad setpoint 1
ID 1307
Minimum value:
PI Process Unit Min
Maximum value:
PI Process Unit Max
Default value:
0.00 varies
Description:
Keypad PI reference value setpoint 1.
P7.2.1.2
b
PI keypad setpoint 2
ID 1309
Minimum value:
PI Process Unit Min
Maximum value:
PI Process Unit Max
Default value:
0.00 varies
Description:
Keypad PI reference value setpoint 2.
P7.2 .1.3
b
PI wake-up action
ID 2466
Minimum value:
N.A.
Maximum value:
N.A.
Default value:
0
Options:
0 = Wake-up when below wake-up level.
1 = Wake-up when above wake-up-level.
2 = Wake-up when below wake-up level % from PI setpoint.
3 = Wake-up when above wake-up level %from PI setpoint.
Description:
This parameter defines the wake-up function action.
P7.2.2 - Setpoint 1.
P7.2.2.1
ab
PI setpoint 1 source
ID 1312
Minimum value:
N.A.
Maximum value:
N.A.
Default value:
1
Options:
0 = Not used;
1 = PI keypad setpoint 1;
2 = PI keypad setpoint 2;
3 = AI;
4 = Drive reference pot;
5 = FB process data input 1;
6 = FB process data input 2;
7 = FB process data input 3;
8 = FB process data input 4;
9 = FB process data input 5;
10 = FB process data input 6;
11 = FB process data input 7;
12 = FB process data input 8;
13 = FB PI setpoint 1; or
14 = FB PI setpoint 2.
Description:
Defines source of the setpoint value the drive uses. This can either be an internal preset value, keypad setpoint, analog signal, or
fieldbus message.
.