Xinje XD5 - Page 144

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3. Suitable soft components
*Notes: D includes D, HD; TD includes TD, HTD; CD includes CD, HCD, HSCD, HSD;
DM includes DM, DHM; DS includes DS, DHS.
BIN D10 D0
S· D·
X0
If source data is not BCD code, SM409 will be ON (Operation error), SD409=4 (error
occurs).
As constant K automatically converts to binary, so it’s not suitable for this instruction.
For example: all the information stored in the clock information register SD13~SD19 of PLC
is BCD code, but we are used to using decimal value. The time information can be converted
from BCD code information to binary:
Operand
System
Constant
Module
D
*
FD
TD
*
CD
*
DX
DY
DM
*
DS
*
K /H
ID
QD
S
●
●
●
●
●
●
●
●
D
●
●
●
●
●
●
Word
Description
Source (BCD) → destination (BIN)