Scientech Zeta Series - Manual (Page 12)

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RS-232 Specifications:
Type
EIA-RS-232C, DTE
Method Half-duplex, Asynchronous Transmission, Bi-directional
Format 300, 600, 1200, 2400, 4800, 9600 and 19,200 baud rate selectable (default is 9600)
Code: ASCII
For parity Even or Odd: Data bit 7, Stop bit 1.
For parity none: Data bit 7, Stop bit 2.
Note: Parity none, Data bit 8, Stop bit 1 does function, but is not technically correct.
RS-232 Front Panel Configuration:
Before using the RS-232 feature of your balance, it is necessary to configure the interface properly for your application. The RS-232
Configuration Mode allows you to set baud rate, front panel control, software protocol, parity, auto send, continuous send, and display
blanking. The balance is configured with defaults at the factory. The default modes are shown in parenthesis below.
It is not necessary to follow the entire configuration procedure if only one parameter is to be changed. Follow Steps 1 and 2, then use
the MODE button to select the parameter to be changed, skipping the others. Select the desired setting using the SEND button, save
the setting using the ZERO button, then turn the balance off and then on again with the ON/OFF button.
To enter the RS-232 configuration mode via the front panel, proceed as follows:
User Action Balance Response
1 Turn the balance off using the ON/OFF button. Display blanks.
2 Hold the SEND button down while turning the balance on using the
ON/OFF button. The current baud rate, br300, br600, br1200,
br2400, br4800, br9600, or br19,200 and OK
are displayed.
3 BAUD RATE SELECTION (9600 is default).
Press the SEND button until the desired baud rate is displayed. Then press
the ZERO button.
SAVEd OK is displayed followed by the
chosen baud rate and OK.
4 LOCAL CONTROL SELECTION (LC on is default). “LC on” means that
the front panel switches control the balance. To enable a computer to
control the balance, “LC oFF” must be selected.
Press the MODE button.
Press the SEND button to choose between on or off. Then press the ZERO
button.
The current front panel control setting, LC on
or LC oFF and OK are displayed.
SAVEd OK is displayed followed by the
chosen setting and OK.
5 PROTOCOL or HANDSHAKE SELECTION (Pr on is default).
Press the MODE button.
Press the SEND button to choose between on or off. Then press the ZERO
button.
The current software protocol setting, Pr oFF
or Pr on and OK are displayed.
SAVEd OK is displayed followed by the
chosen setting and OK.
6 PARITY SELECTION (PA nonE is default).
Press the MODE button.
Press the SEND button to choose between EVEn, odd, or nonE. Then press
the ZERO button.
The current parity setting, PA EVEn, PA
odd, or PA nonE and OK are displayed.
SAVEd OK is displayed followed by the
chosen setting and OK.