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MELSEC-A
3 SPECIFICATIONS
(3) Setting status storage area
Address
(hexadecimal)
Name
Default
value
Update
Initializa-
tion
EEPROM
registration
Reference
R2
1A0
H
Station No. setting switch
R2
1A1
H
Data link transmission speed setting switch
R2
1A2
H
Mode setting switch
R2
1A3
H
RS-232-C transmission speed
R2
1A4
H
RS-232-C data bit length
R2
1A5
H
RS-232-C parity bit presence
R2
1A6
H
RS-232-C stop bit length
*
1
Section
8.10
R2
1A7
H
Buffer memory default value setting status storage 0
R2
Not
required
Not
possible
Section
8.8
*1 Follows switch setting
(4) Communication status storage area
Address
(hexadecimal)
Name
Default
value
Update
Initializa-
tion
EEPROM
registration
Reference
R2
1A8
H
to
1AF
H
Error code history 0
R2
1B0
H
General error code 0
R2
1B1
H
Error code at transmission 0
R2
1B2
H
Error code
storage area
Error code at reception 0
R2
Not
required
Not
possible
Section
10.1.1
R2
1B3
H
System area (Use prohibited) – – – – –
R2
1B4
H
Actual transmission data size storage 0
Section
6.1
R2
1B5
H
Reception frame index No. storage 0
Section
7.3
R2
1B6
H
No. of data items in OS reception area data size
storage
0
R2
Not
required
Not
possible
Section
6.2
R2
1B7
H
to
1BE
H
System area (Use prohibited) – – – – –
R2
1BF
H
Software version storage
Follows
version
R2
Not
required
Not
possible
Section
8.10