Serial Cable Installation; Rs 232/Rs 485 Communication Description - Agilent Technologies Turbo-V 3K-G 969-8888 Notice De Mode D'emploi

17 Technical Information

Serial Cable Installation

Serial Cable Installation
In order to maintain the IP-54 protection level, please use a certified
IP-54 connector or the one provided by Agilent.

RS 232/RS 485 Communication Description

Both the RS 232 and the RS 485 interfaces are available on the
connector P2.
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 T-Plus software.
Communication Format
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Communication Protocol
The communication protocol is a MASTER/SLAVE type where:
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
The communication is performed in the following way:
1
2
the controller answer with an ANSWER + CRC to the host.
The MESSAGE is a string with the following format:
<STX>+<ADDR>+<WIN>+<COM>+<DATA>+<ETX>+<CRC>
where:
322/374
8 data bit
no parity
1 stop bit
baud rate: 600/1200/2400/4800/9600 programmable
Host = MASTER
Controller = SLAVE
the host (MASTER) send a MESSAGE + CRC to the controller
(SLAVE);
Turbo-V 3K-G Pumping System User Manual / 87-901-011-01 (C)