X20 system modules • Motor controllers • X20SM1426
2000
X20 system User's Manual 3.10
Home position
Name:
RefPulsePos01
These 2 registers contain the following:
Register
Description
Home position of the internal position counter
This register indicates the home position of the internal position counter.
Home position for the ABR counter
This register indicates the home position of the ABR counter.
Data type
Value
INT
-32,768 to 32,767
The "Position Sync" setting in the Automation Studio I/O configuration can be used to select which of the two
registers is be addressed by the variable RefPulsePos01.
I/O configuration, Counter 01, "Position Sync" option
Variables in Automation Studio
Stepper counter 01 shown at ActPos01
ABR counter 01 shown at ActPos01
RefPulsePos01
Home position of internal position counter
Home position of ABR counter
The "Position Sync" option also sets bit 3 in the Counter configuration register for Counter 1:
Bit 3 (counter 1)
0
1
Reference pulse counter
Name:
RefPulseCnt01
These 2 registers contain the following:
Register
Description
Reference pulse counter for the internal position counter
The reference pulses of the internal position counter are counted in this register.
Reference pulse counter for the ABR counter
The reference pulses of the ABR counter are counted in this register.
Data type
Value
SINT
-128 to 127
The "Position Sync" setting in the Automation Studio I/O configuration can be used to select which of the two
registers is addressed by the variable RefPulseCnt01.
I/O configuration, Counter 01, "Position Sync" option
Variables in Automation Studio
Stepper counter 01 shown at ActPos01
ABR counter 01 shown at ActPos01
RefPulseCnt01
Reference pulse counter
for internal position counter
Reference pulse counter of ABR counter
The "Position Sync" option also sets bit 3 in the Counter configuration register for Counter 1:
Bit 3 (counter 1)
0
1
Net time of the position value
Name:
ActTime01
This register contains the net time of the most recent valid position value.
Data type
Value
INT
-32,768 to 32,767
Trigger timestamp
Name:
TriggerTime01
This register indicates the point in time (net time) of the most recent trigger event. The trigger edge must be
configured in the "SDC configuration" register.
Data type
Value
INT
-32,768 to 32,767
Trigger counter
Name:
TriggerCnt01
This register contains a cyclic counter that is incremented with each trigger event.
Data type
Value
SINT
-128 to 127
Summary of Contents for X20 System
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