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Rs 232/Rs 485 Communication Description; Communication Format; Communication Protocol - Agilent Technologies Special Turbo-V 1K-G Bedienungshandbuch

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Technical Information

RS 232/RS 485 Communication Description

RS 232/RS 485 Communication Description

Both the RS 232 and the RS 485 interfaces are available on the
connector J2.
The communication protocol is the same (see the structure below),
but only the RS 485 manages the address field. Therefore to enable
the RS 485 is necessary to select the type of communication as well
as the device address by means of the Navigator software.

Communication Format

Communication Protocol

The communication protocol is a MASTER/SLAVE type where:
The communication is performed in the following way:
The MESSAGE is a string with the following format:
<STX>+<ADDR>+<WIN>+<COM>+<DATA>+<ETX>+<CRC>
where:
228/258
8 data bit
no parity
1 stop bit
baud rate: 600/1200/2400/4800/9600 programmable
Host = MASTER
Controller = SLAVE
1. the host (MASTER) send a MESSAGE + CRC to the controller
(SLAVE);
2. the controller answer with an ANSWER + CRC to the host.
Special Turbo-V 1K-G User Manual / 87-901-006-01 (A)

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869-8961969-8978m002

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