Page 88 AD-4402
8.6.8.6.8.6.8.6. RS-422/485 Interface of Option, OP-03RS-422/485 Interface of Option, OP-03RS-422/485 Interface of Option, OP-03RS-422/485 Interface of Option, OP-03
The RS-422/485 interface can use command to control the indicator. The interface
can read weighing data or parameters or store parameter to the indicator.
The interface can connect max. 32 units and a personal computer in a commu nication
cable.
These unit is specified by address appended to the command.
TS-485 can use 2-wire or 4- wire.
The command and format is the same as the built-in RS-485.
Transmission system EIA RS-422 / 485,
Asynchronous, bi-directional, half-duplex
Data length 7 bis ot 8 bits
Start bit 1 bit
Parity bit Odd, Even, not used
Stop bits 1 bit, 2 bits
Baud rat e 600 bps, 12000 bps, 2400 bps, 4800 bps, 9600 bps, 19200
bps, 38400 bps(Jet stream mode)
Line RS-422: 4 wires
RS-485: 2 wires or 4 wires
Connection Max. 32 units
Character code ASCII code
Terminator CR, CR LF
Caution
The option can install either OP-03 or OP-04
Connection
SD
A
Terminator switch
SDB
RD
A
RDB
SG
FG
AD-4402
OP-03 inside
3 RDA
4 RDB
5 SG
DE/RE
422/485
FG
1 SD
A
2 SDB
6 FG
TERMINATO
R
100
SD
RD