Maple Systems MAPware-7000 - Manual (Page 163)

155 MAPware-7000 Ladder Logic Guide
1010-1041 rev. 00
Instruction 96- Upper Limit
Expression:
Space Requirement: 1 line x 6 column Location Requirement: Middle, Right rail
Function:
When the input is ON, this function compares the value in A with the Upper Limit value as set in
B. If the upper limit value is not exceeded, then value in A is placed into C. If upper limit is
exceeded, the upper limit value is placed into C:
If A < B, then C = A.
If A > B, then C = B.
Execution Condition:
Input Operation Output
OFF No execution OFF
ON Execution: not limited (A<B) OFF
Execution: limited (A>B) 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
Operation
Data
√ √ √ √ √ √ √ √ √ √ √ √
B Upper Limit √ √ √ √ √ √ √ √ √ √ √ √
C Destination √ √ √ √ √ √ √ √ √ √
Example:
When B030 is ON, the upper limit operation is executed for the data of BW018 by the data of
D1200, and the result is stored in BW021.