Product specifications

ManualsBrandsA&D ManualsAnalytical InstrumentsMulti Function Weighing Indicator AD-4402

100

Page 90 AD-4402

8.6.

8.6.8.6.

8.6. RS

RSRS

RS-

-422/485 Interface of Option OP

422/485 Interface of Option OP422/485 Interface of Option OP

422/485 Interface of Option OP-

-03

0303

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 EIA RS-422 / 485,

Asynchronous, bi-directional, half-duplex

Data length 7 bits or 8 bits

Start bit 1 bit

Parity bit Odd, Even, not used

Stop bits 1 bit, 2 bits

Baud rate 600 bps, 1200 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

Either option OP-03 or OP-04 can install

Connection

Terminator switch

SDB

RDB

AD-4402

OP-03 inside

3 RDA

4 RDB

5 SG

DE/RE

422/485

1 SD

2 SDB

6 FG

TERMINATO

100Ω