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Motion Control SW
3.22Control Word
With the Control Word (16Bit) the main state machine of the drive can be accessed.
Following table shows the meaning of each bit:
Bit
Name
Val Meaning
Remark
0
Switch On
0
OFF1
A-Stop, -> Current = 0, power switches
disabled
1
ON
State change from switch on disabled to
ready to switch on
1
Voltage Enable
0
OFF2
Power switches disabled without
microcontroller action
1
Operation
2
/Quick Stop
0
OFF3
Quick Stop -> Current = 0 -> H-Bridges
disabled
1
Operation
3
Enable Operation
0
Operation disabled
Position controller active Motion Commands
disabled
1
Operation enable
Position controller active Motion Commands
enabled
4
/Abort
0
Abort
Quick Stop position control rests active,
motion command is cleared.
1
Operation
5
/Freeze
0
Freeze motion
Quick Stop position control rests active,
Target position not cleared, curves motions
are aborted
1
Operation
Rising edge will reactivate motion command
6
Go To Position
0
1
Go To Position
Go to fixed parameterized Position. Wait for
release of signal.
7
Error Acknowledge
0
1
Error Acknowledge
Rising edge of signal acknowledges error
8
Jog Move +
0
1
Jog Move +
9
Jog Move -
0
1
Jog Move -
10
Special Mode
0
1
Special Mode
Special Mode
11
Home
0
Stop Homing
1
Homing
At startup bit 11 Status word is cleared, until
procedure is finished.
12
Clearance Check
0
Stop Clearance Check
1
Clearance Check
Enable Clearance Check Movements
13
Go To Initial Position
0
1
Go To initial Position
Rising edge will start go to initial position
14
Reserved
0
1
Reserved
15
Phase Search
0
Stop Phase Search
1
Phase Search
Enable Phase Search Movements
Page 16/91
User Manual Motion Control SW / 06/12/2013
NTI AG / LinMot