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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
Communication system designation (for RS-232)
152
(98
H
)
312
(138
H
)
For designation
of communica-
tion control
0: Full duplex communication 1: Half-duplex communication
0
Simultaneous transmission priority/non-priority designation
153
(99
H
)
313
(139
H
)
0: Priority
Other than 0: Non-priority (transmission wait time, unit: 100 ms)
Retransmission time transmission method designation
154
(9A
H
)
314
(13A
H
)
0: Do not resend. 1: Resend.
RW
Simultaneously transmission data valid/invalid designation
155
(9B
H
)
315
(13B
H
)
For half- duplex
communica-tions
control
designation (RS-
232)
• Receive data valid/invalid (b0)
0: Valid 1: Invalid
• Transmission data valid/invalid (b8)
0: Valid 1: Invalid
0
—RW
Allowed
Chapter 7
Section
8.4.5
Section
8.4.8
Chapter 8
of User's
Manual
(Application)
No-reception monitoring time (timer 0) designation
156
(9C
H
)
316
(13C
H
)
0
H
: Wait infinitely
28
H
to FA0
H
: Monitoring time (unit: byte)
0
H
RW
Response monitoring time (timer 1) designation
157
(9D
H
)
317
(13D
H
)
0
H
: Wait infinitely
1
H
to BB8
H
: Monitoring time (unit: 100 ms)
32
H
(5 sec.)
—
Transmission monitoring time (timer 2) designation
158
(9E
H
)
318
(13E
H
)
For designation
of data
communica-tion
time monitoring
0
H
: Wait infinitely
1
H
to BB8
H
: Monitoring time (unit: 100 ms)
708
H
(3 min.)
RW
RW
RW
Allowed
Section
8.4.5
Chapter 6
of User's
Manual
(Application)
159
(9F
H
)
319
(13F
H
)
Use prohibited System area
—
160
(A0
H
)
320
(140
H
)
Buffer memory head address designation
(400
H
to 1AFF
H
,
2600
H
to 3FFF
H
)
CH1:
400
H
CH2:
800
H
161
(A1H
)
321
(141
H
)
For designation
of on-demand
function
Data length designation
(0000
H
to 3400
H
)
0
RW —
Section
8.4.6
Reference
Manual
162
(A2H
)
322
(142
H
)
Transmission buffer memory head address designation
(400
H
to 1AFF
H
,
2600
H
to 3FFF
H
)
CH1:
400
H
CH2:
800
H
163
(A3
H
)
323
(143
H
)
For designation
of transmission
area
Transmission buffer memory length designation
(0001
H
to 1A00
H
)
200
H
RW
Received data count designation
164
(A4
H
)
324
(144
H
)
0001
H
to 33FE
H
: Received data count
1FF
H
Receive complete code designation
165
(A5
H
)
325
(145
H
)
For data
reception
FFFF
H
: No designation for receive complete code
0
H
to FF
H
: Receive complete code
0D0A
H
:
(CR+LF)
—
166
(A6
H
)
326
(146
H
)
Receive buffer memory head address designation
(400
H
to 1AFF
H
,
2600
H
to 3FFF
H
)
CH1:
600
H
CH2:
A00
H
167
(A7H
)
327
(147
H
)
For designation
of reception area
Receive buffer memory length designation
(0001
H
to 1A00
H
)
200H
RW
Allowed
Receive data clear request
168
(A8H
)
328
(148
H
)
For data
reception
0: No request 1: Requested
0
—RW
— Not allowed
Chapter 6
Chapter 7
Section
8.4.5
Section
8.4.7
Section 8.7
First frame No. designation 1st
169
(A9H
)
329
(149
H
)
0: No designation Other than 0: Designated
First frame No. designation 2nd
170
(AAH
)
330
(14A
H
)
0: No designation Other than 0: Designated
Last frame No. designation 1st
171
(AB
H
)
331
(14B
H
)
0: No designation Other than 0: Designated
Last frame No. designation 2nd
172
(AC
H
)
332
(14C
H
)
For designation
of on-demand
user frame
0: No designation Other than 0: Designated
RW —
Section
8.4.6
Chapters 9
and 10 of
User's
Manual
(Application)
User frame use enable/disable designation
0: Do not use 1: Use
173
(ADH
)
333
(14D
H
)
2: Data communication possible (Q series C24 set)
First frame No. designation 1st (1st to 4th)
174 to
177
(AE
H
to
B1
H
)
334 to
337
(14E
H
to
151
H
)
0
H
: No designation 1
H
or more: Head frame No.
0
—RW—
Last frame No. designation (1st to 4th)
0
H
: No designation 1
H
or more: Last frame No.
178 to
181
(B2
H
to
B5
H
)
338 to
341
(152
H
to
155
H
)
For designation
of receive user
frame
0: No transmission designation 1 or more: Output frame No.
1: 0D
H
2: 0A
H
3: 0
H
4: 0
H
—RW—
Allowed
Section
8.4.7
Chapters 9
and 11 of
User's
Manual
(Application)