
8.CONNECTION TO FANUC I/O Link B-63943EN/02
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(2) In case of R2 ≠ 00h → There are two or less datalines where
input exists, and two or more keyinputs exists on the same
dataline. To [5]. : Ex. State (d)
[5] Judgment 3
When there is one dataline where input exists → To [6].
When there are two datalines where input exists →
There are three keyinputs or more. It is invalid keyinput. :
Ex. State (e)
[6] Subtraction result R2 is added to logical add R1. If this addition
result is 00h, the number of all keyinputs is two.
Ex. State (b) : R1 + R2 = 04h + FCh = 00h
State (c) : R1 + R2 = 04h + F8h = FCh
[7] Judgment 4
In case of R1 + R2 = 00h →
There is one dataline where input exists, and there are two
keyinputs on this dataline.That is, because the numbers of all
input are two keys, it is effective input. : Ex. State (b)
In case of R1+R2 ≠ 00h →
There are three keyinputs or more on the same dataline. It is
invalid key input. : Ex. State (c)
[8] Only when the keyinput becomes effective because of judgment
1-4, all DI data (Xm+4-Xm+11) is used by the ladder program.