Accuris W3200-3200 Betriebshandbuch - Seite 13

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7-1 The RS232 Interface Hardware:

This balance adopts the transmit and receive lines of standard RS232.

The data format is

8 data bits include parity

1 stop bit

The instruction to connect the balance to external device is as follows,

DESCRIPTION

2：TXD---- scale transmits data

3：RXD---- scale receives data

5：GRD---- signal ground

Notice:

o "handshake" signals, such as "clear to send" (CTS) are not used. The peripheral

must have a minimum buffer (15 characters).

o It is suggested that the maximum recommended cable length is 15 meters; the

load impedance of the device connected should be between 3000 and 7000 ohms

with no more than 2500 pf shunt capacitance.

8. TROUBLE SHOOTING

Problem

Possible Cause

·No power

No Display

·AC/DC Power Adapter

not functioning, or

incorrect specifications

·Unsuitable environment

Displayed

· Draft shield door is not

weight value is

unstable

·There is an object under

the weigh pan

·Unstable power supply

exceeds the limit

·The object weighed is

1 start bit

RS232 pins

closed properly

Solution

·Plug in the AC/DC

adapter

·Replace the adapter

·Contact the Service

Department

·Install the balance in a

suitable location, avoid

vibration, air movement,

temperature fluctuations

·Close the door properly

·Remove any objects or

materials that may

obstruct the pan