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SM-SLM
Parameter
structure
Keypad and
display
Parameter
x.00
Parameter
description format
Advanced parameter
descriptions
Macros
Serial comms
protocol
Electronic
nameplate
Performance
Feature look-
up table
312 Unidrive SP Advanced User Guide
www.controltechniques.com Issue Number: 7
Encoder only mode:
If Auto-tune mode is equal to one:
0 - MIN: Minimal parameters to be transferred so normal performance is possible
1 - MIN: Minimal parameters to be transferred so normal performance is possible
2 - FULL: All parameters to be transferred so high performance is possible
When loading using Pr x.26 = 1, the parameter set loaded on power-up or restart depends on Pr x.28.
The parameter set is the same as was controlled by Pr x.27 when saving was performed.
Values of Pr x.26, Pr x.27 and Pr x.28 are read when Pr x.29 = 1. The sequencer is reset to POWER_UP. Pr x.29 is reset to 0 after the update - which
is very fast.
Sets Pr 3.26 to the slot with the SM-SLM in it as primary feedback.
Pr 5.18 to 8kHz switching frequency.
These are the only drive parameters that require setting when the drive has been defaulted.
User must set Pr 3.40 appropriately.
This parameter is reset to zero by the Solutions Module on completion.
Indicates that the axis has been correctly initialised and is ready to run.
• Encoder only mode: Axis initialised active from sequencer status
• Host mode: Axis initialised active from sequencer plus external motion controller
If Pr x.49 is set to 1, Pr x.04, Pr x.05 and Pr x.06 are not updated. If this parameter is set to 0 Pr x.04, Pr x.05 and Pr x.06 are updated normally.
x.29 Action the tuning and saving parameters
Drive modes Open-loop, Closed-loop vector, Servo, Regen
Coding
Bit SP FI DE Txt VM DP ND RA NC NV PT US RW BU PS
111
Operating mode
Host, Encoder only
Range Open-loop, Closed-loop, Servo, Regen OFF (0) or On (1)
Default Open-loop, Closed-loop, Servo, Regen OFF (0)
Update rate Backgroud
x.30
Automatic basic drive set-up request
Drive modes Open-loop, Closed-loop vector, Servo, Regen
Coding
Bit SP FI DE Txt VM DP ND RA NC NV PT US RW BU PS
1111
Operating mode
Host, Encoder only
Range Open-loop, Closed-loop, Servo, Regen OFF (0) or On (1)
Default Open-loop, Closed-loop, Servo, Regen OFF (0)
Update rate Backgroud
x.45
Axis initialised
Drive modes Open-loop, Closed-loop vector, Servo, Regen
Coding
Bit SP FI DE Txt VM DP ND RA NC NV PT US RW BU PS
1
Operating mode
Host, Encoder only
Range Open-loop, Closed-loop, Servo, Regen OFF (0) or On (1)
Default Open-loop, Closed-loop, Servo, Regen OFF (0)
Update rate Backgroud
x.49
Position lock
Drive modes Open-loop, Closed-loop vector, Servo, Regen
Coding
Bit SP FI DE Txt VM DP ND RA NC NV PT US RW BU PS
11
Operating mode
Host, Encoder only
Update rate Update rate: Combined update time. SM-SLM adds 4ms to the combined update time
NOTE
http://nicontrols.com
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