7 BASIC INSTRUCTIONS
7.2 Arithmetic Operation Instructions
223
7
Subtracting BCD 4-digit data
B-(P) [using two operands]
These instructions subtract the BCD 4-digit data in the device specified by (d) and the BCD 4-digit data in the device specified
by (s), and store the result in the device specified by (d).
Setting data
■
Descriptions, ranges, and data types
■
Applicable devices
Processing details
• These instructions subtract the BCD 4-digit data in the device specified by (s) and the BCD 4-digit data in the device
specified by (d), and store the subtraction result in the device specified by (d).
• If an underflow occurs, the result will be as follows. In this case, the carry flag (SM700) does not turn ON.
Operation error
Ladder diagram
Structured text
Not supported
FBD/LD
Not supported.
Operand
Description
Range
Data type
Data type (label)
(s)
Subtrahend data or the device where the data to be
subtracted from another is stored
0 to 9999
BCD 4-digit
ANY16
(d)
Device where the data from which another is to be
subtracted is stored
0 to 9999
BCD 4-digit
ANY16
Operand
Bit
Word
Double word Indirect
specification
Constant
Others
X, Y, M, L, SM,
F, B, SB, S
T, ST, C, D, W,
SD, SW, R
U
\G
Z
LC
LZ
K, H
E
$
(s)
(d)
Error code
(SD0/SD8067)
Description
3405H
BCD data in the device specified by (s) is outside of the valid range (0 to 9999).
BCD data in the device specified by (d) is outside of the valid range (0 to 9999).
(s)
(d)
(d)
(s)
(d)
0
6
7
8
0
2
3
4
0
4
4
4
-
0 is entered.
0
0
0
1
0
0
0
3
9
9
9
8
-
Summary of Contents for MELSEC iQ-F FX5
Page 1: ...MELSEC iQ F FX5 Programming Manual Instructions Standard Functions Function Blocks ...
Page 2: ......
Page 17: ...15 CONTENTS ...
Page 24: ...22 MEMO ...
Page 1050: ...1048 26 TIME DATA FUNCTIONS 26 4 Division MEMO ...
Page 1068: ...1066 29 COUNTER FUNCTION BLOCKS 29 4 Counter Function Block Operation error There is no error ...
Page 1107: ...I 1105 MEMO ...
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