RS Automation X8 Series, Instruction Manual

Page: 195 / 327

X8 Instruction Set Reference Manual
Math Instructions 10 - 7
The following table shows data tables of the ABS instruction:
SCAL - Scale with Slope
Instruction Type: Output
The SCAL instruction causes the value at the Source address to be multiplied
by the Rate (slope) value. The resulting value is added to the Offset and the
rounded result is placed in the Destination.
Input Output Considerations When Using Floating
Point Data
F N
•rounded data is output
•If an overflow occurs after rounding, 32767
or 2147836647 is output, SR2.2.14 Math
Overflow Selection bit is ignored.
• Carry flag is reset.
•If all of Destination is zero, the Zero flag is
set.
•If Overflow is set, the Overflow Trap flag is
set.
•It is set if the result is
∞
, NAN or overrange
•If the MSB is set, the
Sign flag is set.
∞
N 32,767 or 2,147,836,647 is stored
N N
•If the SR2.2.14 Math Overflow Selection bit
is clear
E
d, 32,767 or 2,147,836,647 is output.
•The Carry flag is set when the input is
negative
• If all of Destination is zero, the Zero flag is
set.
•The Overflow Trap flag is set when the
Overflow flag is set
Parameter Data Table SFR
Address
Mode
Address
Level
Y X SR B TM
, CT
, CR
N F ST A L MG,
PD
RP PS RT
C
HSC PTO, P
WM
ST
I
EII BH
I
MM
I
C
S
-Comms
DLS-D
ataLog
Immedi
ate
Direct In
dire
ct
Bi
t
Wo
rd
LongW
ord
Floa
ting
Element
Input 1 √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √
Output √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √
SCAL
EN ENO
IN N4.19 -
200 <
Rate [/10000] N4.16 -
100 <
Offset N4.17 -
10 <
OUT - N4.18
> 12