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FX Series Programmable Controlers Applied Instructions 5
5-42
5.5 Data Operation - Functions 40 to 49
Contents:
Pa
g
e
ZRST - Zone Reset FNC 40 5-43
DECO - Decode FNC 41 5-43
ENCO - Encode FNC 42 5-44
SUM - The Sum Of Active Bits FNC 43 5-45
BON - Check Specified Bit Status FNC 44 5-45
MEAN - Mean FNC 45 5-46
ANS - (Timed) Annunciator Set FNC 46 5-47
ANR - Annunciator Reset FNC 47 5-47
SQR - Square Root FNC 48 5-48
FLT - Float, (Floatin
g
Point) FNC 49 5-49
Symbols list:
D - Destination device.
S - Source device.
m, n- Number of active devices, bits or an operational constant.
Additional numeric suffixes will be attached if there are more than one operand with the same
function e.
g
. D
1
, S
3
or for lists/tabled devices D
3+0,
S
+9
etc.
MSB - Most Si
g
nificant Bit, sometimes used to indicate the mathematical si
g
n of a number, i.e.
positive = 0, and ne
g
ative = 1.
LSB - Least Si
g
nificant Bit.
Instruction modifications:
-
An instruction operatin
g
in 16 bit mode, where identifies the instruction
mnemonic.
P - A 16 bit mode instruction modified to use pulse (sin
g
le) operation.
D
- An instruction modified to operate in 32 bit operation.
D P - A 32 bit mode instruction modified to use pulse (sin
g
le) operation.
- A repetitive instruction which will chan
g
e the destination value on ever
y
scan unless
modified b
y
the pulse function.
- An operand which cannot be indexed, i.e. The addition of V or Z is either invalid or will
have no effect to the value of the operand.