Rs-422/485 Interface Of Option Op-03 - AND Multi Function Weighing Indicator AD-4402 Instruction Manual

8.6. RS 8.6. RS- - - - 422/485 Interface of Option OP
8.6. 8.6. RS RS
The RS-422/485 interface can use commands to control the indicator. The interface
can read weighing data or parameters or store parameters to the indicator.
The interface can connect a maximum of 32 units and a personal computer using a
communication cable.
The unit is specified by an address appended to the command.
RS-485 can use 2-wire or 4- wire.
The command and format are the same as the built-in RS-485.
Transmission system
Data length
Start bit
Parity bit
Stop bits
Baud rate
Line
Connection
Character code
Terminator
Caution
Either option OP-03 or OP-04 can install
Connection
Terminator switch
SDA
SDB
RDA
RDB
SG
FG
422/485 Interface of Option OP- - - - 03
422/485 Interface of Option OP 422/485 Interface of Option OP
EIA RS-422 / 485,
Asynchronous, bi-directional, half-duplex
7 bits or 8 bits
1 bit
Odd, Even, not used
1 bit, 2 bits
600 bps, 1200 bps, 2400 bps, 4800 bps, 9600 bps, 19200
bps, 38400 bps(Jet stream mode)
RS-422: 4 wires
RS-485: 2 wires or 4 wires
Max. 32 units
ASCII code
CR, CR LF
422/485
DE/RE
Page 90
AD-4402
OP-03 inside
SD
TERMINATOR
RD
03
03 03
1 SDA
2 SDB
100
3 RDA
4 RDB
5 SG
6 FG
FG
AD-4402