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6 BASIC INSTRUCTIONS
6.2 Arithmetic Operation Instructions
Subtracting BCD 8-digit data
DB-(P) [using two operands]
These instructions subtract the BCD 8-digit data in the device specified by (d) and the BCD 8-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 8-digit data specified by (d) and the BCD 8-digit data specified by (s), and store the
results 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
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 99999999
BCD 8-digit
ANY32
(d)
Minuend data or the device where the data from which
another is to be subtracted is stored
0 to 99999999
BCD 8-digit
ANY32
Operand
Bit
Word
Double word
Indirect
specification
Constant
Others
X, Y, M, L,
SM, F, B, SB
U
\G
T, ST,
C, LC
T, ST, C, D,
W, SD, SW, R
U
\G
Z
LC
LZ
K, H
E
$
(s)
(d)
Error code
(SD0/SD8067)
Description
3405
BCD data in the device specified by (s) is outside of the valid range (0 to 99999999).
BCD data in the device specified by (d) is outside of the valid range (0 to 99999999).
(s)
(d)
(d)
(d)+1
(s)
(s)+1
(d)
(d)+1
-
0
0
3 2 3 4 5 6
9
0
8 7 1 0 6 8
9
0
5 4 7 6 1 2
0 is entered.
(Upper 4 digits) (Lower 4 digits)
(Upper 4 digits) (Lower 4 digits)
(Upper 4 digits) (Lower 4 digits)
2
1
3 4 5 6 7 9
2
1
3 4 5 6 7 8
9
9
9 9 9 9 9 9
-
Summary of Contents for MELSEC iQ-F FX5 series
Page 1: ...MELSEC iQ F FX5 Series Programming Manual Instructions Standard Functions Function Blocks ...
Page 2: ......
Page 21: ...19 PART 1 PART 1 OVERVIEW Part 1 consists of the following chapter 1 OVERVIEW ...
Page 98: ...96 4 STANDARD FUNCTIONS FUNCTION BLOCKS 4 2 Standard Function Blocks MEMO ...
Page 840: ...838 23 TIME DATA FUNCTIONS 23 4 Division MEMO ...
Page 887: ......