© Adam Equipment Company 2015 33 3016612482 Rev1-Aug15
11 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.
RS232 and I/O can be connected and used individually or simultaneously, so a printer and
terminal or PC can both be connected. The connection is serial data format only and
cannot be used for flash memory or other similar USB devices.
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 ().
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 “ 1234
567567 567 g”.
OTE: The format of the result will change depending on the mode in which the balance is
Normal weighing, Animal weighing: “ 123.456 g”
Parts counting: “ 1234 pcs”
Percent weighing: “ 12.345 %”
Density: “ 12.345 g/cc ”
C O P Y