Maple Systems MAPware-7000 - Manual (Page 131)

123 MAPware-7000 Ladder Logic Guide
1010-1041 rev. 00
Instruction 78- Counter
Expression:
Space Requirement: 2 line x 3 column Location Requirement: Middle, Right rail
Function:
While the enable input is ON, this instruction counts the number of the count input changes
from OFF to ON. The count value is stored in the counter register B. When the count value
reaches the set value A, the output and the counter device corresponding to B are turned ON.
When the enable input comes OFF, B is cleared to 0 and the output and the counter device are
turned OFF.
The available data range for operand A is 0 to 65535.
Execution Condition:
Input Operation Output
OFF No operation (B is cleared to 0) OFF
ON Count value (B) < set value (A) OFF
Count value (B) > set value (A) ON
Operand:
Coil or Bit Register Constant Index
Name X Y B S T. C. M
X
W Y
W B
W S
W
T C D I J K
M
W
A Set Value √ √ √ √ √ √ √ √ √ √ 0-65535
B Count Value √
Example:
Y021 (and the timer device T.003) is turned OFF 1 second after X000 came ON.