Yaskawa YASNAC PC NC PLC Programming Manual - Manual (Page 120)

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YASNAC PCNC PLC Programming Manual Chapter 6: PLC Instructions
(b) Example
(c) Control conditions
• Designation of the minuend data address (APSH#XXXX)
Designate the address where the minuend data is stored.
• Designation of the subtrahend data address (APSH/IPSH#XXXX)
Designate the address where the subtrahend data is stored.
It is also possible to subtract the designated data.
• Designation of the operation result output address (APSH#XXXX)
Designate the address where the result of operation is output.
The address is stored as 4-byte data.
• Designation of the type of operation (IPSH X)
Designate the data length and the data type of minuend/subtrahend.
1st digit = 0: 1byte
= 1: 2 bytes
= 2: 4bytes
2nd digit = 0: Constant data
= 1: Address data