Adam Equipment Luna LAB 124 e, Руководство по эксплуатации

Страница: 27 / 48

© Adam Equipment Company 2020
11.0 RS-232 INTERFACE
The balances have the ability to send or receive data over the serial interfaces, RS232 and
USB (if fitted). Both interfaces are controlled by the parameters detailed below. If the host
computer to be used does not have a serial port then a USB-RS232 convertor accessory
can be used.
The USB and RS232 both operate as general purpose serial data ports. Weighing data can
be sent over the interface either automatically, or when the user presses the [
Print ] key.
Connection can be made to a printer, remote terminal or other device with a compatible
serial data port
11.1 HARDWARE
The RS-232 interface is a simple 3 wire connection. A null-modem cable can be used.
The input and output connections are:

Connector: 9 pin D-sub miniature socket

Pin 2 input to balance RXD

Pin 3 output from balance TXD

Pin 5 Signal ground GND
Handshaking is not applied.
Baud rate:
Selectable 4800, 9600, 19200, 38400
Parity:
Selectable NONE (=8N1), EVEN (=7E1) or ODD (=7O1)
All lines are terminated with carriage return and line feed (<CR><LF>).
To connect to a device, the correct cable must be used, and port settings on both connected
devices must match. The RS232 and USB connector (if fitted) both output simultaneously,
so it is possible to have more than one connection at once.
To configure output mode, frequency and formats, see section 13.3 and 13.4
11.2 OUTPUT FORMATS
11.2.1 Single-line output format
In continuous output mode, or if single-line output on demand is selected, the serial output
format will be a single line in the form

.
 g<CR><LF>”.
The format of the result will change depending on the mode in which the balance is
operating, e.g.



