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MELSEC-A
3 SPECIFICATIONS
(2) Parameter area
Address
(hexadecimal)
Name
Default
value
Update
Initializa-
tion
EEPROM
registration
Reference
R2
100
H
Flow control designation 1
Section
8.3
R2
101
H
RS (RTS) signal status designation 0
Section
8.9
R2
102
H
Word/byte unit designation 0
Section
6.1, 6.2
R2
103
H
ASCII-BIN conversion designation 0
Section
8.4
R2
105
H
Transient timeout time designation 0
M station Required Possible
Section
5.6.1
R2
106
H
to
107
H
System area (Use prohibited) – – – – –
R2
108
H
0
R2
109
H
0
R2
10A
H
0
R2
10B
H
Reception head frame No.
0
R2
10C
H
A
H
R2
10D
H
D
H
R2
10E
H
0
R2
10F
H
Reception end frame No.
0
R2
110
H
Reception head frame/reception end frame abort
designation
1
Section
7.3
R2
111
H
Reception end data size designation 0
R2
112
H
Reception timeout time designation 0
M station Required Possible
Section
6.2
R2
113
H
to
117
H
System area (Use prohibited) – – – – –
R2
118
H
Transmission head frame No. 0
R2
119
H
Transmission
frame - 1 area
Transmission end frame No. 0
Section
7.2.1
R2
11A
H
Transmission timeout time designation 0
M station
Not
required
Possible
Section
6.1
R2
11B
H
to
11F
H
System area (Use prohibited) – – – – –
R2
120
H
Transmission table head No.
designation
0
R2
121
H
No. of transmission tables 0
R2
122
H
No. 1
R2
123
H
to
184
H
R2
185
H
Transmission
frame - 2 area
Transmission table
designation
No.100
0
M station
Not
required
Possible
Section
7.2.2
R2
186
H
to
18F
H
System area (Use prohibited) – – – – –
R2
19D
H
to
19F
H
System area (Use prohibited) – – – – –