Omron CP - PROGRAMMING MANUAL 05-2007 Programming Manual page 404

Symbol Math Instructions
Examples
3-10-18 DOUBLE SIGNED BINARY MULTIPLY: *L(421)
Purpose
Ladder Symbol
Variations
Applicable Program Areas
Operand Specifications
When CIO 0.00 is ON in the following example, D100 and D110 will be multi-
plied as 4-digit signed hexadecimal values and the result will be output to
D121 and D120.
0.00
D100
D110
D120
Multiplies 8-digit signed hexadecimal data and/or constants.
*L(421)
Md
Mr
R
Variations Executed Each Cycle for ON Condition
Executed Once for Upward Differentiation
Executed Once for Downward Differentiation Not supported.
Immediate Refreshing Specification
Block program areas Step program areas
OK OK
Area
CIO Area
Work Area
Holding Bit Area
Auxiliary Bit Area
Timer Area
Counter Area
DM Area
Indirect DM addresses
in binary
Indirect DM addresses
in BCD
Constants
Data Registers
Md: 1st multiplicand word
Mr: 1st multiplier word
R: 1st result word
Subroutines
OK
Md
CIO 0 to CIO 6142
W0 to W510
H0 to H510
A0 to A958
T0000 to T4094
C0000 to C4094
D0 to D32766
@ D0 to @ D32767
*D0 to *D32767
#00000000 to #FFFFFFFF (binary)
&0 to &4294967295 (unsigned deci-
mal)
2147483648 to 0 to 2147483647
(signed decimal)
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Section 3-10
*L(421)
@*L(421)
Not supported.
Interrupt tasks
OK
Mr R
CIO 0 to
CIO 6140
W0 to W508
H0 to H508
A448 to A956
T0000 to T4092
C0000 to C4092
D0 to D32764
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