Mitsubishi Electric MELSEC iQ-R Series User Manual page 310

■When receiving with first start only (reception using Method 1)
Head data
Target
device
First frame
CPU module
(Corresponds to
registration No.6H)
X3
Reception data
read request
CPU module
M0
Completion device
Status display
M1
device
at completion
15 DATA COMMUNICATIONS USING USER FRAMES
308
15.3 Program for Data Reception with User Frame
A
C
K
06H
Ò
INPUT
ON
ON
Abnormal
completion
Normal
completion
1 scan
Since the received data count for format 1 is designated to
"0", the receive data count is "0".
The following diagram is for byte unit.
User frame use enable/
Un\G173
2H
disable designation
First frame No. designation
Un\G174
3E8H
Un\G175
3E9H
Un\G176
6H
Un\G177
15H
Last frame No. designation
Un\G178
41BH
(None)
Un\G179
0H
(None)
Un\G180
0H
(None)
Un\G181
0H
(YES) (NO)
Receive transparent
Un\G288
1002H/ 0H
code designation
(Disable)
ASCII-BIN conversion
Un\G289
0H
designation
Receive user
Un\G603
3H
frame (
Receive data
Un\G1536
count
00H , 00H
User frame receiving
0H
Un\G8224 format designation
(1st = format-0)
0H
Un\G8225
(2nd = format-0)
1H
Un\G8226
(3rd = format-1)
1H
Un\G8227
(4th = format-1)
Received data count
0H
Un\G8228
for format 1 only
0H
Un\G8229
0H
Un\G8230
2H
Un\G8231
Buffer memory
(1st)
(2nd)
(3rd)
(4th)
(1st)
(2nd)
(3rd)
(4th)
Ó
to D0
th)
Ô
to D3
(1st)
(2nd)
(3rd)
(4th)