Hitachi MICRO-EHV+ - Page 116

Chapter 3 Programming
3 – 56
Configuration
Parameter
Descriptions
Choices
Default
Counter mode
4 different counter modes are supported as
shown below.
2-phase 4-edge
2-phase 4-edge
2-phase
Pulse + Direction
CW/CCW
Marker (Z) input
When Marker (Z) input is enabled and
rising/falling edge of the input is detected,
the counter value is reset (0).
Disable
Disable
Enable
Marker (Z) input type
Rising edge
Rising edge
Falling edge
Mapping
Name
I/O
Type
Descriptions
Enable
Output (%QX)
BOOL
TRUE: Counter is enabled.
FALSE: Counter is disabled.
Counter
Input (%ID)
DWORD
Counted value is stored in this register.
0 to 4,294,967,295
When the counter value exceeds the maximum or minimum value, it returns to 0 or 4,294,967,295.
Counter mode
1
2
3
4
5
6
7
8
7
6
5
4
3
2
0
1
0
Counter
value
Phase A
Phase B
2-Phase 4-edge
2-Phase
0
Counter
value
Phase A
Phase B
2
1
3
4
2
3
1
0
Pulse + Direction
CW/CCW
0
Counter
value
1
2
3
2
1
Phase A
Phase B
0
Counter
value
Phase A
Phase B
1
2
3
2
1