Parameters and firmware blocks
247
Group 68 SYNC REF MOD
Synchronisation reference modification settings that are used to select between
absolute or relative synchronisation, to set an electrical gear ratio between the
synchronisation reference and the drive positioning system, and to filter the
reference.
68
Firmware block:
SYNC REF MOD
(68)
This block
• selects the source for the synchron
reference chain
• defines the gear ratio and selects a
scaling factor for the ratio (in
synchron control the position
reference is first multiplied with the
defined gear ratio and then with the
defined gear scaling factor)
• defines the synchron speed
reference filter time
• defines the maximum position
difference between the unfiltered
and filtered synchron speed
reference
• selects the synchronisation of the
follower drive in synchron control
mode
• shows the position reference in
synchron control mode.
Block outputs located in other
parameter groups
4.16 SYNC REF GEARED (page 104)
68.01 SYNC GEAR IN FW block: SYNC REF MOD (see above)
Selects the source for the synchron reference chain. The default value is P.4.15, ie, parameter 4.15
SYNC REF UNGEAR, which is the output of the SYNC REF SEL firmware block (on page 244).
Value pointer: Group and index
68.04 SYNC GEAR ADD
68.02 SYNC GEAR MUL
68.03 SYNC GEAR DIV
68.05 SYNC REF FTIME
68.06 SYNCFILT DLY LIM
d
dt
³
dt
4.16 SYNC REF GEARED
68.01 SYNC GEAR IN
x
68.07 SYNCHRON MODE
x
y
SYNC REF MOD
13
TLF 5 50 0 µsec (2)
< 68.01 SYNC GEAR IN
[ SYNC REF UNGEAR ]
(10 / 4.15)
68.02 SYNC GEAR MUL
[ 1 ]
68.03 SYNC GEAR DIV
[ 1 ]
68.04 SYNC GEAR ADD
[ 1.000 ]
68.05 SYNC REF FTIME
[ 0 ms ]
68.06 SYNCFILT DLY LIM
[ 0.000 rev ]
68.07 SYNCHRON MODE
[ Re lative ]
4.16 SYNC REF GEARED
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