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254 Unidrive SPM User Guide
www.controltechniques.com Issue Number: 3
13.21 Advanced features
This section gives information on some of the advanced functions of the
drive. For additional information see the Advanced User Guide.
13.21.1 Reference modes
If Pr 8.39 is set to OFF (0), then the setting of Pr 1.14 automatically
changes the operation of digital inputs T28 and T29 by configuring the
destination parameters Pr 8.25 and Pr 8.26. To allow Pr 8.25 and Pr 8.26
to be changed manually by the user, the automatic set-up must be
disabled by setting Pr 8.39 to 1.
If Pr 8.39 is 0 and Pr 1.14 is changed, then a drive reset is required
before the function of terminal T28 or T29 will become active.
* Setting Pr 1.15 to 9 enables the Preset reference scan timer. With the
scan timer enabled analog 1 and preset references 2 to 8 are selected
automatically in turn. Pr 1.16 defines the time between each change.
** Jog forward can only be selected when the drive is in either the ready
(rdy), inhibit (inh) or trip states.
Reference modes Pr 1.14, Pr 1.15 and Pr 8.39
Braking modes Pr 2.04 and Pr 2.08
S ramps Pr 2.06 and Pr 2.07
Torque modes Pr 4.08 and Pr 4.11
Stop modes Pr 6.01, Pr 6.06, Pr 6.07 and Pr 6.08
Main loss modes Pr 6.03, Pr 6.48, Pr 4.13 and Pr 4.14
Start/stop logic modes Pr 6.04 and Pr 6.40
Catch a spinning motor Pr 6.09 and Pr 5.40
Position loop modes Pr 13.10
Fast disable Pr 6.29
1.14 Reference selector
RW Txt NC US
Ú
A1.A2 (0), A1.Pr (2), A2.Pr (2),
Pr (3), PAd (4), Prc (5)
Ö
A1.A2 (0)
1.15 Preset reference selector
RW Uni NC US
Ú
0 to 9
Ö
0
8.39 T28 and T29 auto-selection disable
RW Bit US
Ú
OFF (0) or On (1)
Ö
OFF (0)
Table 13-7 Active reference
Pr 1.14 Pr 1.15
Digital Input T28 Digital Input T29
Pr 1.49 Pr 1.50 Active Reference
State Function State Function
A1.A2 (0)
0 or 1
0
Local Remote
Jog forward**
1 1 Analog input 1
1 2 1 Analog input 2
2 to 8
No function 1 or 2 2 to 8 Preset reference 2 to 8
9 *
0
Local Remote
1 1 Analog input 1
1 2 1 Analog input 2
No function 1 or 2 2 to 8 Preset reference 2 to 8
A1.Pr (1)
0
0
Preset select bit 0
0
Preset select bit 1
1
1 Analog input 1
1 2 Preset reference 2
0
1
3 Preset reference 3
1 4 Preset reference 4
1
No function No function
1 Analog input 1
2 to 8 2 to 8 Preset reference 2 to 8
9 *
1 Analog input 1
2 to 8 Preset reference 2 to 8
A2.Pr (2)
0
0
Preset select bit 0
0
Preset select bit 1
2
1 Analog input 2
1 2 Preset reference 2
0
1
3 Preset reference 3
1 4 Preset reference 4
1
No function No function
1 Analog input 2
2 to 8 2 to 8 Preset reference 2 to 8
9 *
1 Analog input 2
2 to 8 Preset reference 2 to 8
Pr (3)
0
0
Preset select bit 0
0
Preset select bit 1
3
1 Preset reference 1
1 2 Preset reference 2
0
1
3 Preset reference 3
1 4 Preset reference 4
1 to 8
No function No function
1 to 8 Preset reference 1 to 8
9 * 1 to 8 Preset reference 1 to 8
PAd (4)
No function No function 4 Keypad reference
Prc (5)
No function No function 5 Precision reference
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