Melsec-q, 3 specifications – MITSUBISHI ELECTRIC QJ71C24N User Manual
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MELSEC-Q
3 SPECIFICATIONS
Address
Decimal (Hex)
Applicable
protocol
CH1
CH2
Application
Name
Initial
value
MC Non
Bi
Registration
allowed/not
allowed
Reference
section
Switching mode no. designation (0001
H
to 0007
H
, 00FF
H
)
0001
H
: MC protocol (format 1)
0005
H
: MC protocol (format 5)
0002
H
: MC protocol (format 2)
0006
H
: Non procedure protocol
0003
H
: MC protocol (format 3)
0007
H
: Bidirectional protocol
144
(90
H
)
304
(130
H
)
0004
H
: MC protocol (format 4)
00FF
H
: GX Developer
connection
Transmission specifications after switching designation
Designates transmission specifications (below) after switching
when b15 of this area is 1 (ON).
Operation setting (b0)
0: Independent
1: Link
Data bit (b1)
0: 7 bit
1: 8 bit
Parity bit (b2)
0: No
1: Yes
Odd/even parity (b3)
0: Odd
1: Even
Stop bit (b4)
0: 1 bit
1: 2 bit
Sum check code (b5)
0: No
1: Yes
Write during RUN (b6)
0: Prohibited
1: Allowed
Setting modification (b7)
0: Prohibited
1: Allowed
Communication rate (b8 to b11)
50 bps to 230400 bps
For system (b12 to b14)
All 0
145
(91
H
)
305
(131
H
)
For designation of
mode switching
Transmission specifications after switching (b15) designation
0: Match settings in GX Developer
1: Match settings in this area
0
RW
Not allowed
Section
4.5.2
Chapter 15
of User's
Manual
(Application)
146
(92
H
)
306
(132
H
)
Signal setting
(
1)
RS and DTR signal status designation
0: Off 1: On
RS signal (b0)
DTR signal (b2)
For system (b1), (b3) to (b15)
0005
H
RW
Allowed
Section 3.2.1
DTR/DSR(ER/DR), DC control designation
147
(93
H
)
307
(133
H
)
• Transmission control (b0)
0: DTR/DSR control 1: DC code control
• DC1/DC3 control (b8)
0: No control 1: Controlled
• DC2/DC4 control (b9)
0: No control 1: Controlled
0
DC1/DC3(Xon/Xoff) code designation
148
(94
H
)
308
(134
H
)
• DC1 code (b0 to b7)
00
H
to FF
H
: DC1 code
• DC3 code (b8 to b15)
00
H
to FF
H
: DC3 code
1311
H
DC2/DC4 code designation
149
(95
H
)
309
(135
H
)
For designation of
transmission
control
• DC2 code (b0 to b7)
00
H
to FF
H
: DC2 code
• DC4 code (b8 to b15)
00
H
to FF
H
: DC4 code
1412
H
RW
Section
8.4.5
Chapter 7
of User's
Manual
(Application)
150
(96
H
)
310
(136
H
)
Word/byte units designation
0: Word units 1: Byte units
0
Chapters 6
Chapter 7
Section
8.4.5
151
(97
H
)
311
(137
H
)
For designation
of communica-
tion control
CD terminal check designation (for RS-232)
0: Check 1: No check
1
RW
Allowed
Section
3.2.1
Section
8.4.5