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Incorrect digit designator, or data area for destination exceeded.

Indirectly addressed DM word is non-existent. (Content of 

DM word is

not BCD, or the DM area boundary has been exceeded.)

In the following example, the 2

nd

 byte of LR 10 and the 1

st

 byte of LR 11 are con-

verted to hexadecimal values and those values are written to the first and se-
cond bytes of IR 010.

@HEX(––)

HR 10

LR 10

00000

010

00000

LD

00000

00001

@HEX(––)

LR

10

HR

10

010

3 1 3 0

LR 10

4 2 3 2

Conversion to
hexadecimal

LR 11

0 0 2 1

010

3 5 3 4

LR 12

0 1 1 0

HR 10

S: Source word

IR, SR, AR, DM, HR, TC, LR, #

@SCL(––)

S

P1

R

R: Result word

IR, SR, AR, DM, HR, LR

P1: First parameter word

IR, SR, AR, DM, HR, TC, LR

SCL(––)

S

P1

R

P1 and P1+2 must be BCD.

P1 through P1+3 must be in the same data area.

P1+1 and P1+3 must not be set to the same value.

SCL(––) is used to linearly convert a 4-digit hexadecimal value to a 4-digit BCD
value. Unlike BCD(24), which converts a 4-digit hexadecimal value to its 4-digit
BCD equivalent (S

hex

 

→

 S

BCD

), SCL(––) can convert the hexadecimal value ac-

cording to a specified linear relationship. The conversion line is defined by two
points specified in the parameter words P1 to P1+3.

When the execution condition is OFF, SCL(––) is not executed. When the execu-
tion condition is ON, SCL(––) converts the 4-digit hexadecimal value in S to the
4-digit BCD value on the line defined by points (P1, P1+1) and (P1+2, P1+3) and
places the result in R. The result is rounded off to the nearest integer. If the result
is less than 0000, then 0000 is written to R, and if the result is greater than 9999,
then 9999 is written to R.