User`s manual

306
(2) Receiving based on the completed data count
Additional code: 10H (DLE), transparent code: 02H (STX),
Completed data count: Six words or 12 bytes
When the receive transparent code designation is set to Enable and the ASCII-BIN conversion is set to Disable, the codes
for receivable data and those for receive data that is stored in the buffer memory's reception area are as follows:
Item Receivable codes
Codes stored in the reception
area
Receive transparent code designation
section
Additional code 01H to FFH (Delete)
Transparent
code
00H to FFH 00H to FFH
Arbitrary data section (including complete code) 00H to FFH 00H to FFH
0
30H
1
31H
2
32H 33H 10H 02H
3
D
L
E
00H
B
41H
A
34H12H
(1234H)
0DH
L
F
0AH
C
R
S
T
X
N
U
L
L
42H
X83
M0
M1
ON
ON
600H
601H
602H
603H
604H
605H
606H
00H , 06H
(1) (0)
31H , 30H
(3) (2)
33H , 32H
(NULL) (STX)
00H , 02H
(B) (A)
42H , 41H
(1234H)
12H , 34H
(LF) (CR)
0AH , 0DH
D10
D11
D12
D13
D14
D15
D2
00H , 06H
(0) (0)
31H , 30H
(3) (2)
33H , 32H
(NULL) (STX)
00H , 02H
(B) (A)
42H , 41H
(1234H)
12H , 34H
(LF) (CR)
0AH , 0DH
INPUT
Programmable
controller CPU
Completion device
External device side
Programmable
controller CPU side
Reception data read
request
Head data
Status display device
at completion
One scan
Abnormal
completion
Normal
completion
For word unit:
Received byte count excluding additional code (12)/2=6
For byte unit:
Received byte count excluding additional code (12)
The following diagram is for word unit
Buffer memory Sequence program
device memory
Received data
count is stored
Transparent code
Additional code (Q series C24 deletes)
Sets CH1 to the reception
channel
Sets the normal completion flag
Sets the abnormal completion flag
Executes reception
Reception data read request
Sets the allowable number of
receive data to 6