Control Techniques Digitax ST Advanced User's Manual page 174

Parameter
Menu 13
structure
13.16 Position error reset
Bit SP
Coding
1
Default 0
Update rate 4ms read
The position error integrator is preset to the absolute error (Pr 13.10 is 1 or 2, and Pr 13.11 is one) otherwise it is set to zero when this parameter is
set to one.
The position controller is disabled and the error integrator is also reset under the following conditions:
1. If the drive is disabled (i.e. inhibited, ready or tripped).
2. If the position controller mode (Pr 13.10) is changed. The position controller is disabled transiently to reset the error integrator.
3. The absolute mode (Pr 13.11) is changed. The position controller is disabled transiently to reset the error integrator.
4. One of the position sources is invalid.
5. The position feedback initialised (Pr 3.48) is zero.
13.17 Relative jog reference
Bit SP
Coding
Range 0.0 to 4,000.0rpm
Default 0.0
Update rate Background read
13.18 Relative jog enable
Bit SP
Coding
1
Default 0
Update rate 4ms read
13.19 Relative jog reverse
Bit SP
Coding
1
Default 0
Update rate Background read
Relative jog can be used to move the feedback position relative to the reference position at a speed defined by Pr 13.17.
13.20 Local reference turns
Bit SP
Coding
Range 0 to 65,535
Default 0
Update rate 4ms read
13.21 Local reference position
Bit SP
Coding
Range 0 to 65,535
Default 0
Update rate 4ms read
174
Keypad and
Parameter x.00
display
FI DE Txt VM DP ND
FI DE Txt VM DP ND
1
FI DE Txt VM DP ND
FI DE Txt VM DP ND
FI DE Txt VM DP ND
FI DE Txt VM DP ND
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Parameter Advanced parameter
description format descriptions
RA NC NV PT US RW BU
1 1
RA NC NV PT US RW BU
1 1
RA NC NV PT US RW BU
1 1
RA NC NV PT US RW BU
1 1
RA NC NV PT US RW BU
1 1
RA NC NV PT US RW BU
1 1
Serial comms Electronic
protocol nameplate
PS
PS
1
PS
PS
PS
1
PS
1
Digitax ST Advanced User Guide
Issue Number: 1
Performance