Control Techniques unidrive sp Advanced User's Manual page 157

Parameter Keypad and
Menu 9
structure display
9.10 Logic function 1 destination
9.20 Logic function 2 destination
Drive modes Open-loop, Closed-loop vector, Servo, Regen
Bit SP
Coding
Open-loop, Closed-loop vector, Servo,
Range
Regen
Open-loop, Closed-loop vector, Servo,
Default
Regen
Update rate Read on reset
9.21 Motorised pot mode
Drive modes Open-loop, Closed-loop vector, Servo, Regen
Bit SP
Coding
Open-loop, Closed-loop vector, Servo,
Range
Regen
Open-loop, Closed-loop vector, Servo,
Default
Regen
Update rate Background read
The motorised pot modes are given in the following table.
Pr 9.21 Mode
0 Zero at power-up
1 Last value at power-up
Zero at power-up and only change
2
when drive running
Last value at power-up and only
3
change when drive running
9.22 Motorised pot bipolar select
Drive modes Open-loop, Closed-loop vector, Servo, Regen
Bit SP
Coding
1
Open-loop, Closed-loop vector, Servo,
Default
Regen
Update rate 4ms x number of menu 9 or 12 functions active read
When this bit is set to 0 the motorised pot output is limited to positive values only (i.e. 0 to 100.0%). Setting it to 1 allows negative outputs (i.e. ±100.0
%).
9.23 Motorised pot rate
Drive modes Open-loop, Closed-loop vector, Servo, Regen
Bit SP
Coding
Open-loop, Closed-loop vector, Servo,
Range
Regen
Open-loop, Closed-loop vector, Servo,
Default
Regen
Update rate Background read
This parameter defines the time taken for the motorised pot function to ramp from 0 to 100.0%. Twice this time will be taken to adjust the output from
-100.0 % to +100.0 %.
156
Parameter Parameter
x.00 description format
FI DE Txt VM DP ND
1 2
Pr 0.00 to Pr 21.51
Pr 0.00
FI DE Txt VM DP ND
0 to 3
2
Reset to zero at each power-up.
Up, down and reset are active at all times.
Set to value at power-down when drive powered-up.
Up, down and reset are active at all times.
Reset to zero at each power-up.
Up and down are only active when the drive is running (i.e. inverter active).
Reset is active at all times.
Set to value at power-down when drive powered-up.
Up and down are only active when the drive is running (i.e. inverter active).
Reset is active at all times.
FI DE Txt VM DP ND
0
FI DE Txt VM DP ND
0 to 250 s
20
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Advanced parameter
Macros
descriptions
RA NC NV PT US RW BU
1 1 1
RA NC NV PT US RW BU
1 1
Comments
RA NC NV PT US RW BU
1 1
RA NC NV PT US RW BU
1 1
Serial comms Electronic
Performance
protocol nameplate
PS
1
PS
1
PS
PS
1
Unidrive SP Advanced User Guide
Issue Number: 7
Feature look-
up table