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5 MELSEC FUNCTIONS
5.5.7 Subtraction of BCD 8-digit data (2 devices) DBMINUS_M
Subtraction is performed between the specified two BCD 8-digit data.
Function definition
BOOL DBMINUS_M (BOOL EN, ANY32 S1, ANY32 D);
Argument Name
IN/OUT
Description
EN IN
Execution condition (Function is executed only when the
result is TRUE)
S1 IN
Subtrahend data (BCD 8-digit data)
D
IN/OUT
Minuend data, subtraction result (BCD 8-digit data)
Return Value
Description
BOOL Execution
condition
Example of use
(* When execution condition X0 turns ON, subtraction is performed between the *)
(* BCD 8-digit data stored in dwData1 and Result, and the subtraction result is *)
(* stored into Result.
*)
DBMINUS_M (X0, dwData1, Result);
Corresponding MELSEC command
DB- (BCD 8-digit data subtraction)
5.5.8 Subtraction of BCD 8-digit data (3 devices) DBMINUS_3_M
Subtraction is performed between the specified two BCD 8-digit data.
Function definition
BOOL DBMINUS_3_M (BOOL EN, ANY32 S1, ANY32 S2, ANY32 D);
Argument Name
IN/OUT
Description
EN IN
Execution condition (Function is executed only when the
result is TRUE)
S1 IN
Minuend data (BCD 8-digit data)
S2 IN
Subtrahend data (BCD 8-digit data)
D OUT
Subtraction result (BCD 8-digit data)
Return Value
Description
BOOL Execution
condition
Example of use
(* When execution condition X0 turns ON, subtraction is performed between the *)
(* BCD 8-digit data stored in dwData1 and dwData2, and the subtraction result *)
(* is stored into Result.
*)
DBMINUS_3_M (X0, dwData1, dwData2, Result);
Corresponding MELSEC command
DB- (BCD 8-digit data subtraction)
For the usable data type, refer to "3.2.2
About ANY type".
Содержание MELSEC L series
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