Yaskawa YASNAC PC NC PLC Programming Manual - Manual (Page 104)

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YASNAC PCNC PLC Programming Manual Chapter 6: PLC Instructions
(b) Example
(c) Control conditions
• Designation of the message control address (APSH#XXXX)
Designate the start address of the addresses that request the message.
• Designation of the size of message control address (IPSHXX).
Designate the size of the message control address by the number of bytes.
Example: APSH#1500
IPSH 1H
With the designation indicated above, continuous four bytes starting from #1500
are used.
If “IPSH 2H” is designated instead of “IPSH 1H”, contiguous eight bytes starting
from #1500 are used.
Note: If “IPSH 1H” is designated, a maximum of 16 kinds of message is used.