X20 system modules • Counter modules • X20DC2395
818
X20 system User's Manual 3.10
Offset value for referencing
Name:
Counter function 1: CfO_Counter1PresetValue1 to CfO_Counter2PresetValue1
Counter function 1: CfO_Counter1PresetValue1_32Bit to CfO_Counter2PresetValue1_32Bit
Counter function 2: CfO_Counter1PresetValue2 to CfO_Counter1PresetValue2
Counter function 2: CfO_Counter1PresetValue2_32Bit to CfO_Counter1PresetValue2_32Bit
"Preset value" in the AS I/O configuration.
These registers can be used to define an offset value for referencing. This value is copied to the internal
SW_reference_counter register of the respective counter register.
Data type
Value
INT
-32,768 to 32,767
DINT
-2,147,483,648 to 2,147,483,647
Counter register
Name:
Different names are used for these 4 registers depending on their function.
These 4 registers show the results of the counter value calculation for the respective register. Depending on the
function, this corresponds to either the encoder position or the counter value.
For information on the relationship between physical channels and counter registers, see 4.11.14.12.6 "Counters
and encoders" and 4.11.14.7.1 "Description of channel assignments"
Counter function 1
Counter register
Function
Name
AB encoders
ABEncoder01
ABR encoders
ABREncoder01
Up/down counters
Counter01
1
Event counters
EventCounter01
2
Event counters
EventCounter02
Counter function 2
Counter register
Function
Name
AB encoders
ABEncoder02
Up/down counters
Counter02
1
Event counters
EventCounter03
2
Event counters
EventCounter04
Data type
Value
Information
INT
-32,768 to 32,767
Encoder position or counter value
DINT
1)
-2,147,483,648
to 2,147,483,647
Encoder position or counter value
1)
Only in function model 1
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