Bfm #1 - Mitsubishi Electric MELSEC FX Series User Manual

FX communication
Note : Setting example (hexadecimal, constant specification)
Data length
Parity
Stop bit
Baud rate
Control line
CR, LF
Sum check
ASCII/HEX conversion No used
Buffer data length
1 ) Communication format
Select the communication format used
to send/receive data via the 232IF
among the 9 types shown on the left.
• The header can be specified in the
portion of the communication
format.
• In the communication format type
#
, hexadecimal data (binary) and
ASCII code can be sent and
received.
In the communication format types
$ -
to , the send/receive data
should be any ASCII code except
the header, terminator and CR.
Communication can be performed
using the ASCII/HEX conversion
function by specifying the BFM #0
b13 and the BFM #0 b12.
• The ASCII codes available for the
initial terminator are 01H to 1FH.
• In the RS-232C interlink connection
mode, the communication formats
$ to * are available.
2 ) b0 to b7 (data length, parity, stop bit and baud rate)
b0 to b7 should be aligned with the communication specification of the connected
counterpart equipment.
8 bits
Odd
b15
1 bit
0
BFM #0
2400 bps
No used
No added
M8002
FNC 79
No added
Initial
pulse
8 bits
x
y
z
{
|
Header

Header
~
Header

€
b12 b11
b8 b7
1 0 0 0 0 0 0 0
4 0
(4063 H )
K 0 K 0
TO
Block BFM
No.
Data
Termi
Data
nator
Termi
Data CR
nator
Termi
Data CR
nator
Termi
Data
nator
Termi
Data
nator
Termi
Data
nator
Data CR
Data CR LF
FX -232IF 10
2N
b4 b3 b0
1 1 0 0 0 1 1
6 3
H4063 K 1
Set Number of
transfer
value
points
LF
Sum
Sum CR
Sum CR LF
10-5
10