428
● Specify devices of the target station's CPU within the range allowed for the own station CPU when reading data from the
devices with the ZNRD instruction
(Target station's start device (S1) where data to be read are stored) + (Read points - 1) (End device No. of own station's
CPU
*1
)
*1 End device No. of the device in the own station CPU, and whose device name is same as in (S
1
)
● Specify the own station's start device (D1) within the range allowed for storing read data.
When D150 and after the area in the own station's CPU has been already used
Good example (D50 is specified in (D1).) Bad example (D100 is specified in (D1).)
D50
D0
D99
D0
D99
100 words100 words
D100
D150
D199
D149
D150
Own station CPU Other station CPU Own station CPU Other station CPU
: Data to be read with ZNRD instruction
: Area already used by own station's CPU
: Duplicated area
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