Control Techniques Digitax ST Advanced User's Manual page 203

Ac variable speed drive for servo motors
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Parameter
Keypad and
structure
display
The bit parameters with lower numbers have priority over those with higher numbers.
Pr 1.49 and Pr 1.50 then define the reference as follows:
Pr 1.49
Pr 1.50
1
1
1
>1
2
1
2
>1
3
x
4
x
5
x
Keypad reference
If Keypad reference is selected the drive sequencer is controlled directly by the keypad keys and the keypad reference parameter (Pr 1.17) is
selected. The sequencing bits, Pr 6.30 to Pr 6.34, have no effect and jog is disabled.
Reference selected by timer
The presets are selected automatically in turn. Pr 1.16 defines the time between each change.
21.04
Acceleration rate
Bit
SP
Coding
Range
0.000 to 3200.000 s/1000rpm
Default
0.200
Normal
Pr 2.11
parameter
Update rate
Background read
21.05
Deceleration rate
Bit
SP
Coding
Range
0.000 to 3200.000 s/1000rpm
Default
0.200
Normal
Pr 2.21
parameter
Update rate
Background read
21.07
Rated current
Bit
SP
Coding
Range
0 to RATED_CURRENT_MAX A
Default
Maximum current (i.e. the value of Pr 11.32)
Normal
Pr 5.07
parameter
Update rate
Background read
21.08
Rated speed
Bit
SP
Coding
Range
0.00 to 40,000.00 rpm
Default
3000.00
Normal
Pr 5.08
parameter
Update rate
Background read
Digitax ST Advanced User Guide
Issue Number: 1
Parameter
Parameter x.00
description format
Reference
Analog reference 1
Preset defined by Pr 1.50
Analog reference 2
Preset defined by Pr 1.50
Preset defined by Pr 1.50
Keypad reference
Precision reference
FI
DE
Txt VM DP
ND
3
FI
DE
Txt VM DP
ND
3
FI
DE Txt VM DP
ND
1
2
FI
DE
Txt VM DP
ND
2
www.controltechniques.com
Advanced parameter
Serial comms
descriptions
protocol
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
1
RA
NC
NV
PT
US RW BU
1
1
Electronic
Performance
nameplate
PS
1
PS
1
PS
1
PS
1
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203

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