A&D AD-8922A Manual de Instruções descarregar pdf (Página 35)

Circuit

Connection to the weighing instrument Connection to an external device

D-Sub 9-pin (BALANCE/SCALE) DIN 8-pin (ANALOG.OUT)

No.

Signal

name

Direction Description

No.

Signal

name

Direction Description

1 ⎯ ⎯ N.C. 1 ⎯ ⎯ N.C.

2 RXD Input Receive data 2 AG ⎯ Analog ground

3 TXD Output Transmit data 3 TXD Output Transmit data

4 ⎯ ⎯ N.C. 4 ⎯ ⎯ N.C.

5 SG ⎯ Signal ground 5 SG ⎯ Signal ground

6 DSR Input Data set ready 6 DSR Output Data set ready

7 ⎯ ⎯ N.C. 7 AOUT Output Analog output

8 ⎯ ⎯ N.C. 8 RXD Input Receive data

9 ⎯ ⎯ N.C.

(AD-8922A is a DTE. Connects to a DCE

such as a weighing instrument using a

straight through cable.)

9876

AD-8922A interior

TXD

54321

Analog

GND

RXD

Analog

output

DSR

TXD

RXD

Inch screw thread

(#4-40UNC)

To a weighing instrument

To an external device such as

a personal computer or a printer

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A&D AD-8922A Manual de Instruções Página 35