Allen-Bradley 1394 SERCOS, User Manual

Page: 150 / 301

Publication 1394-5.0 — May 2000
8-14 Configuring Your 1394 Analog Servo System
[Language Sel]
Display language for text.
Parameter Numbers 4
Parameter Group
Linear List
Display Units None
Parameter Type
Read/Write
Change While Running Yes
Linkable
No
Default Value 0 English
Selections
0 English
[Ld/Lg Degrees]
If [Ld/Lg Freq] and [Ld/Lg Degrees] are set to
non-zero values, a lead/lag filter (one pole, one
zero) is additionally inserted into the feedback
path of the velocity loop. This filter can be used
to enhance the stability of the loop in the
presence of load resonances.
This parameter specifies the amount of phase
shift that occurs at the lead/lag center frequency.
A negative value specifies a lag, while a positive
value specifies a lead.
In most cases, this filter will not be needed.
Parameter Numbers 144, 145, 146, 147
Parameter Group Vel Loop Tune
Display Units degs
Parameter Type Read/Write
Change While Running Yes
Linkable No
Minimum Value -50 (lag) degs
Maximum Value +50 (lead) degs
Default Value 0 degs
[Ld/Lg Freq]
This parameter specifies the center frequency of
the lead/lag filter in the velocity feedback path if
employed (see [Ld/Lg Degrees]. If set to zero,
the filter is disabled.
In most cases, this filter will not be needed.
Parameter Numbers 148, 149, 150, 151
Parameter Group Vel Loop Tune
Display Units Hz
Parameter Type Read/Write
Change While Running Yes
Linkable No
Minimum Value 0 Hz
Maximum Value 200 Hz
Default Value 0 Hz
[Line Voltage]
This parameter selects input line voltage being
used. It affects motor velocity ratings and must
be configured prior to selecting motor types.
This value is set automatically in all Smart Power
22 kW systems and 5 and 10 kW (Series C or
later) systems.
Parameter Numbers
9
Parameter Group Configuration, Setup
Display Units None
Parameter Type Read/Write
Change While Running
Yes
Linkable No
Default Value
0 460 Volts AC
Selections 0 460 Volts AC
1 380 Volts AC
[Max Bandwidth]
After an auto tune, this parameter displays the
maximum system bandwidth that can be
achieved with the machine mechanics.
Parameter Numbers 304, 305, 306, 307
Parameter Group ATune Config
Display Units Hz
Parameter Type Read Only
Linkable No