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[2] Communication delay time
The communication data on the ME-NET may have the delay shown below.
ＰＣ００
ＯＮ
I / O
PC00
JW-21MN
Operation cycle
JW-21MN
P C 0 1
I / O
Delay of input module
9
Time required for PC to detect input state (one operation cycle max.)
Operation time of sending PC (one operation cycle)
Time to complete sending of operation result (one communication cycle max.)
Time required for receiving PC to write receive data in PC data memory (one operation cycle max.)
Operation time of receiving PC (one operation cycle)
Delay of output module
Communication delay time is the total time of
Remarks
The buffer memory contents of the JW-21MN is renewed for each PC operation cycle.
Therefore, a contact point which turns "ON" for only one operation cycle of a PC may
not be transferred.
PC00
１
２
３
ＰＣ０１
PC01
４
(Communication)
５
to
above.
9-4
６
７
ＯＮ
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