Mitsubishi Electric FX3U-232-BD User Manual page 611

FX Series PLC User's Manual - Data Communication Edition
Non-Protocol Communication (RS/RS2 Instruction)
Device
ch0 ch1
D8382 D8412 D8432
D8383 D8413 D8433
D8384 D8414 D8434
D8385 D8415 D8435
D8386 D8416 D8436 Sending sum
D8389 D8419 D8439
R: Read only
W: Write only
R/W: Read or Write
Name
ch2
These devices set the terminators 1 to 4.
Terminator 1 and
terminator 2
Termi-
nator
Terminator 3 and
terminator 4
When "H00" is set to the terminator 1, terminators are not
provided.
The area before H00 (in 1-byte units) is used to set the
terminators.
Receiving sum
This device stores the received sum check value.
(receive data)
Receiving sum
This device stores the sum check value calculated from the
(calculation
received data.
result)
This device stores the sum check value added to the send data.
Operation mode
This device stores the current communication being executed.
display
Description
Terminator
Data 1 2
ch0 ch1
D8382 D8412
1 (lowest-order (lowest-order
byte) byte)
D8382 D8412
2 (highest-order (highest-order
byte) byte)
D8383 D8413
3 (lowest-order (lowest-order
byte) byte)
D8383 D8413
4 (highest-order (highest-order
byte) byte)
8 Creating Programs (RS2 Instruction)
8.1 Checking Contents of Related Devices
3 4
Initial
ch2
value
D8432
H03
(lowest-order
(ETX)
byte)
D8432
(highest-order H00
byte)
D8433
(lowest-order H00
byte)
D8433
(highest-order H00
byte)
A
R/W
B
R/W
C
R/W
D
E
R
R
R
F
R
G
H
I
Apx.A
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