Mitsubishi Electric MELSEC iQ-RJ71C24-R4 - Page 356

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17 COMMUNICATING WITH ASCII CODE (ASCII-BIN CONVERSION)
17.4 Data Communication Using Nonprocedural Protocol
Operation example of reception using user frames
Ex.
When C24 receives data from the target device when ASCII-BIN conversion is enabled (Reception using user frames)
X3
M0
M1
ON
ON
INPUT
02H
S
T
X
51H
Q
0AH 3BH
0
30H
1
31H
2
32H46H 35H
A
41H
F5
42H
C
43H
B
E
T
X
03H
DEH
00H 44H
E
45H
D
46H
9
39H
F
2H
3E8H
3E9H
3EAH
0H
41BH
41BH
0H
0H
1002H/ 0H
1H
00H , 03H
2FH , 01H
BCH , 5AH
F9H , DEH
1H
Receive data count
For word units
Number of bytes after ASCII-BIN conversion of
receive data excluding frames and additional codes: ((6)/2=3)
For byte unites
Number of bytes after ASCII-BIN conversion of receive data
excluding frames and additional codes: (6)
Head data
Sum check code
Station No. of C24
Station No. of target device
;
Target device
The following diagram is for word unit
User frame enable/
disable designation
Un\G173
First frame
(corresponds to registration
number 3E8H)
Last frame(corresponds to
registration number 41BH)
Arbitrary data
C24
First frame No. designation
Un\G174
(1st)
Un\G175
(2nd)
Reception data
read request
Un\G176
(3rd)
(No designation)
Un\G177
CPU module
(4th)
Last frame No. designation
Un\G178
(1st)
Completion device
Un\G179
(The first designated frame for each)
(2nd)
Abnormal
completion
Status display
device
at completion
(No designation)
Un\G180
(3rd)
Normal
completion
(No designation)
Un\G181
(4th)
1 scan
Receive transparent
code designation
(Designation) (No designation)
Un\G288
(Convert) ASCII-BIN conversion
designation
Un\G289
Receive user
frame ( th)
to D0
Un\G603
Receive data
count
to D3
Un\G1536
Receive data
(arbitrary data)
Un\G1537
D10 to
D12
Un\G1538
Un\G1539
Buffer memory