Danfoss MCO 350 Operating Instructions Manual page 44

3. Programming
3
34-50 Slave position (read only)
Option:
34-52 Master position (read only)
Option:
34-56 Track error (read only)
Option:
34-60 Status of synchronisation
Option:
44
Input 3, 7 and 8 high
Par 3440 = 11000100
Input 1 and 3 high
Par 3440 = 101
Table 3.1: Example:
Function:
The slave position is displayed in quad counts.
Function:
The master position is displayed in quad counts.
Function:
This parameter indicates the actual PID error during synchroni-
sation
Function:
The following status flags are defined for position and marker
synchronisation. The flags are not updated when using speed
synchronisation:
Flag:
SYNCREADY
SYNCFAULT
SYNCACCURACY
Only marker synchronisation:
Master marker HIT
Slave marker HIT
Master marker Error
Slave marker Error
The flags are reset when restarting synchronisation (SyncStart).
SYNCACCURACY
Each millisecond it is checked if the actual position deviance be-
tween master and slave is smaller than par. 33-13(accuracy), if
this is true the SYNCACCURACY flag is set (1), otherwise the flag
is reset. (0).
SYNCFAULT / SYNCREADY
For every marker pulse it is checked whether the SYNCACCUR-
ACY flag is present or not. If it is not present the fault counter
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Syncronising Controller MCO 350 Operating
Decimal value Bit
1 0
2 1
4 2
8 3
16 4
32 5
64 6
Instructions