Control Techniques Digitax ST - Page 205

Parameter
structure
Keypad and
display
Parameter x.00
Parameter
description format
Advanced parameter
descriptions
Serial comms
protocol
Electronic
nameplate
Performance
Menu 21
Digitax ST Advanced User Guide 205
Issue Number: 1 www.controltechniques.com
When the second motor is selected the gains defined in Pr 21.17 to Pr 21.19 are used directly by the speed controller. The speed controller set-up
method defined by Pr 3.13 is ignored.
21.16 Thermal time constant
Coding
Bit SP FI DE Txt VM DP ND RA NC NV PT US RW BU PS
1111
Range 0.0 to 3000.0
Default 20.0
Normal motor
parameter
Pr 4.15
Update rate Background read
21.17 Speed controller Kp gain
Coding
Bit SP FI DE Txt VM DP ND RA NC NV PT US RW BU PS
4111
Range
0.00 to 6.5535 (1/rad s
-1
)
Default 0.0100
Normal motor
parameter
Pr 3.10
Update rate Background read
21.18 Speed controller Ki gain
Coding
Bit SP FI DE Txt VM DP ND RA NC NV PT US RW BU PS
2111
Range
0.00 to 655.35 s/rad s
-1
Default 1.00
Normal motor
parameter
Pr 3.11
Update rate Background read
21.19 Speed controller Kd gain
Coding
Bit SP FI DE Txt VM DP ND RA NC NV PT US RW BU PS
5111
Range
0.00000 to 0.65535 s
-1
/ rad s
-1
Default 0.00000
Normal motor
parameter
Pr 3.12
Update rate Background read
21.20 Encoder phase angle
Coding
Bit SP FI DE Txt VM DP ND RA NC NV PT US RW BU PS
11 111
Range 0.0 to 359.9 ° electrical
Default 0.0
Normal motor
parameter
Pr 3.25
Update rate Background read