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Appendix A • Super II 99

Appendix A

RS232 Serial Port Communications

The Super II comes equipped with three RS232 ports. They are labelled BI, for a “bi-directional” port for PC

or computer communications, OUT for an “output” port for a printer, and IN for an “input” port for a bar

code scanner. Users who have purchased Setra’s peripherals such as the Dymo SETRA 300 printer or the

Setra SmartWand can simply plug these devices into the appropriate port and start using them. The first

part of this appendix describes the RS232 command and communication protocol. The second part of the

appendix describes the characteristics of the ports.

Interfacing a Setra Super II Scale to a Computer

The bi-directional port interface not only allows the scale to transmit data to and from a computer, but

also enables a computer to control a scale. Since the baud rate and databits of this interface are selectable

(see PORTS soft key setup in this manual), virtually any computer or terminal with an RS232 port can be

connected to the scale. Setra Super II does not support software handshaking and supports hardware

handshaking only on the “bi-directional” port . This section describes the conventions and formats used to

communicate with the Super II.

Setra Systems Super II Supervisor And Technical Manual

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