One Digit Shift Right - Srd(75); Word Shift - Wsft(16) - Omron SYSMAC C2000H Operation Manual

Data Shifting
Precautions
Flags
5-13-8 ONE DIGIT SHIFT RIGHT – SRD(75)
Limitations
Description
Precautions
Flags
5-13-9 WORD SHIFT – WSFT(16)
134
If a power failure occurs during a shift operation across more than 50 words,
the shift operation might not be completed.
ER: The St and E words are in different areas, or St is greater than E.
Indirectly addressed DM word is non-existent. (Content of *DM word
is not BCD, or the DM area boundary has been exceeded.)
Ladder Symbols
SRD(75) @SRD(75)
E
St
St and E must be in the same data area, and E must be less than or equal to
St.
When the execution condition is OFF, SRD(75) is not executed. When the
execution condition is ON, SRD(75) shifts data between St and E (inclusive)
by one digit (four bits) to the right. 0 is written into the leftmost digit of St and
the rightmost digit of E is lost.
St E
...
3 4 5 2 F 8 C
0 Lost data
If a power failure occurs during a shift operation across more than 50 words,
the shift operation might not be completed.
ER: The St and E words are in different areas, or St is greater than E.
Indirectly addressed DM word is non-existent. (Content of *DM word
is not BCD, or the DM area boundary has been exceeded.)
Ladder Symbols
WSFT(16) @WSFT(16)
St
E
E
St
1
St
E
Section 5-13
Operand Data Areas
E: End word
IR, AR, DM, HR, LR
St: Starting word
IR, AR, DM, HR, LR
Operand Data Areas
St: Starting word
IR, AR, DM, HR, LR
E: End word
IR, AR, DM, HR, LR