Yaskawa MP900 Series Machine Controller New Ladder Editor - Manual (Page 235)

2 Standard System Function
2.4.1 Counter Function (COUNTER)
2-42
2.4 Other Functions
2.4.1 Counter Function (COUNTER)
„ Outline
Increments or decrements the current value when the count up/down command (Up-Cmd,
Down-Cmd) changes from OFF to ON.
When the counter reset command (Reset) becomes ON, the current counter value is set to 0.
Also, the current counter value and the set value are compared and the comparison result is
output.
* The current value will not be incremented neither decremented if a
counter error (current value > set value) occurs.
„ Format
„ Parameter
Symbol: COUNTER
Full Name: Counter
Category: SYSTEM
Icon:
I/O
Definition
Parameter
Name
I/O
Designation
Setting
Input Up-Cmd B-VAL Count up command (OFF →ON) Data area for counter
process
1: Set value
2: Current value
3: Work flag
Down-Cmd B-VAL Count down command (OFF →ON)
Reset B-VAL Counter reset command
Cnt-Data Address in-
put Head address of data area for counter pro-
cess (MW or DW register)
Output Cnt-Up B-VAL Becomes ON when current counter value = set value.
Cnt-Zero B-VAL Becomes ON when current counter value = 0.
Cnt-Err B-VAL Becomes ON when current counter value > set value.