38 positioning down ramp – Siemens 440 User Manual
Page 239

Issue 01/06
Parameter Description
MICROMASTER 440 Parameter List
6SE6400-5BB00-0BP0
239
P2354
PID tuning timeout length
Min: 60
CStat:
CUT
Datatype: U16 Unit:
s
Def:
240
P-Group: TECH
Active: Immediately
QuickComm.: No
Max: 65000
This parameter determines the time that the auto tuning code will wait before aborting a tuning run if no
oscillation has been obtained.
P2355
PID tuning offset
Min: 0.00
CStat:
CUT
Datatype: Float Unit:
%
Def:
5.00
P-Group: TECH
Active: Immediately
QuickComm.: No
Max: 20.00
Sets applied offset and deviation for PID autotuning.
Note:
This can be varied depending on plant conditions e.g. a very long system time constant might require a
larger value.
3.38
Positioning down ramp
P2480[3] Position
mode
Min: 1
CStat:
CT
Datatype: U16 Unit:
-
Def:
1
P-Group: CONTROL
Active: first confirm
QuickComm.: No
Max: 1
Sets the mode for positioning mode.
Possible Settings:
1
Open loop positioning
Index:
P2480[0] : 1st. Drive data set (DDS)
P2480[1] : 2nd. Drive data set (DDS)
P2480[2] : 3rd. Drive data set (DDS)
P2481[3]
Gearbox ratio input
Min: 0.01
CStat:
CUT
Datatype: Float Unit:
-
Def:
1.00
P-Group: CONTROL
Active: first confirm
QuickComm.: No
Max: 9999.99
Defines the ratio between number of motor shaft revolutions to equal one revolution of the gearbox output
shaft.
n
n
Motor
Load
Load
Ь
Ь =
P2482
P2481
=
Motor revolutions
Load revolutions
Motor
Gear
Index:
P2481[0] : 1st. Drive data set (DDS)
P2481[1] : 2nd. Drive data set (DDS)
P2481[2] : 3rd. Drive data set (DDS)
P2482[3]
Gearbox ratio output
Min: 0.01
CStat:
CUT
Datatype: Float Unit:
-
Def:
1.00
P-Group: CONTROL
Active: first confirm
QuickComm.: No
Max: 9999.99
Defines the ratio between number of motor shaft revolutions to equal one revolution of the gearbox output
shaft.
Index:
P2482[0] : 1st. Drive data set (DDS)
P2482[1] : 2nd. Drive data set (DDS)
P2482[2] : 3rd. Drive data set (DDS)
Level
3
Level
3
Level
3
Level
3
Level
3