User`s manual

265
CHAPTER 11 DATA COMMUNICATIONS USING USER FRAMES
11
11.2 Data Reception
[Combination without the first frame] Timing patterns for reception start and receive complete (read)
Arbitrary data
Equaling the received
data count
Pattern No. 2-A 1)
Last frame
: Reception start timing
: Receive complete timing (read timing)
Equaling the received
data count
Arbitrary data
Last frame
Pattern No. 2-A 2)
Pattern No. 2-A 3) Pattern No. 2-A 4)
Arbitrary data
Last frame
Arbitrary data
Arbitrary data
Last frame
Arbitrary data
Last frame
Pattern No. 2-B
External device
side
Programmable
controller CPU
side
External device
side
Programmable
controller CPU
side
External device
side
Programmable
controller CPU
side
Complete code Complete code