Yaskawa YASNAC PC NC PLC Programming Manual - Manual (Page 15)

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YASNAC PCNC PLC Programming Manual Chapter 3: PLC Program Specifications
3.1 Basic Specifications
The basic specifications of YASNAC PCNC PLC are indicated below.
Table 3.2 PCNC PLC Basic Specifications
Note 1: Value “n” is determined by the high speed processing capacity and total program capacity.
2: 384K bytes are equivalent to approximately 24K steps of basic instructions.
Item Specifications
Control method Scanning method
Processing time 0.5
µ
s/step (approximate value)
Process Type High-speed processing scan time 8ms
Low-speed processing scan time 8ms × n
Program
Memory
Capacity Basic 512K bytes
Program 384K bytes
Table symbol 128K bytes
Instructions Basic instruction 61 kinds
Macro instruction 22 kinds