Delta D25886 User Manual Page 155

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4. Motion Control Instruction
4-114 DVP-MC operating manual
4.6.27. CMP_DI
API
Controller
154
CMP_DI
Comparison of 32-bit integers
10MC11T
Explanation of the instruction:
CMP-DI is used for comparison of two 32-bit signed integers with the result value displayed in one of the
three output bit devices.
When EN is On, compare S1 less than or greater than, or equal to S2 with the result placed in the
corresponding LT, GT or EQ. When EN is Off, the status of the bit device where the comparison result is
placed will keep unchanged.
Explanation of input and output parameter of the instruction:
Parameter
name
Explanation
Data
type
Available
device
EN “CMP_DI” is executed as “EN” turns on. BOOL M,I,Q, constant
S1 The compared value 1 DINT Constant
S2 The compared value 2 DINT Constant
LT
“LT” turns on as the operand S1 is less than the
operand S2.
BOOL M,Q
GT
“GT” turns on as the operand S1 is greater than the
operand S2.
BOOL M,Q
EQ
“EQ” turns on as the operand S1 is equal to the operand
S2.
BOOL M,Q
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