Maple Systems MAPware-7000 - Manual (Page 165)

157 MAPware-7000 Ladder Logic Guide
1010-1041 rev. 00
Instruction 97- Lower 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 Lower Limit value as set in
B. If the lower limit value is not exceeded, then value in A is placed into C. If lower limit is
exceeded, the lower 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 Lower Limit √ √ √ √ √ √ √ √ √ √ √ √
C Destination √ √ √ √ √ √ √ √ √ √
Example:
When B031 is ON, the lower limit operation is executed for the data of BW019 by the data of
D1220, and the result is stored in BW022.