Parameter: Gear Master Start Distance (0X3902) - Danfoss VLT Series Programming Manual

Servo Drive Parameter Descr...

7.15.3 Parameter: Gear Master Start Distance (0x3902)

This object defines the master distance for gear in procedure (when the slave axis is started to get into synchronization).
The value must be given in Guide value position units. The direction is taken from the Master sync direction bit in the
Controlword (0x6040) (see Illustration 7.9).
NOTICE
The sign of Master Start Distance is represented by the MasterSyncDirection bit in the Controlword (0x6040).
Attribute
Index
LCP parameter number
Name
Object code
Data type
Sub-index
Access
PDO mapping
Value range
Default value
Table 7.168 0x3902: Gear Master Start Distance
(n-1) n
2 – 2
Start Sync Sync Position
Positive distance
Positive
master
rotation
Positive distance
Sync Position Start Sync
0
2 (n-1) – 2 n
Sync Position Start Sync
Negative distance
Negative
master
rotation
Negative distance
Start Sync
Sync Position
0
Illustration 7.9 Synchronization Executed at StartSync Position
NOTICE
Master Rotation direction and MasterStartDistance have the same signs, therefore synchronization is executed.
MG36D102
Programming Guide
Sign of Sign of
Master rotation Master Start Distance
Start Sync = TRUE
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Value
0x3902
–
Gear master start distance
Var
UNSIGNED32
0x00
Read/write
Optional
UNSIGNED32
0
7 7
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