Accuris W3200 Series, Руководство по эксплуатации

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13
7-1 The RS232 Interface Hardware:
This balance adopts the transmit and receive lines of standard RS232.
The data format is
1 start bit
8 data bits include parity
1 stop bit
The instruction to connect the balance to external device is as follows,
1 2 3 4 5
6 7 8 9
RS232 pins
PIN 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 Solution
No Display
·
No power
·
AC/DC Power Adapter
not functioning, or
incorrect specifications
·
Plug in the AC/DC
adapter
·
Replace the adapter
·
Contact the Service
Department
Displayed
weight value is
unstable
·
Unsuitable environment
·
Draft shield door is not
closed properly
·
There is an object under
the weigh pan
·
Unstable power supply
exceeds the limit
·
The object weighed is
·
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