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7. Interconnectivity
The unit supports RS-232 interface. Physical connection is
performed through a connector specific to each order. The
default connectors are described in Specifications.
Connecting to computer
The communication port must be initiated prior to connecting the
unit.
Data is transmitted as a hex string code with fixed baud rate of
9600 bit/sec, 8 bits, one stop bit, and no parity.
If the port is connected and not initiated, the module will be
activated immediately in scan mode.
Data output protocol
This physical interface uses one line to an external UART
(Universal Asynchronous Receiver / Transmitter) port. The data
is transferred in accordance with the serial asynchronous
communications protocol, known as the RS-232.
A typical UART frame is shown below. It comprises a Start bit, 8
data bits, and a Stop bit.
Along with the data transfer line the RS-232 port includes signal
lines, used to control the module.
UART Frame
Start
D0
D1
D2
D3
D4
D5
D6
D7
Stop
Start
D0
D1