Turbo-V 300HT PCB controller

When the Request is "K" (Counters readings), the
Answer will contain a string of 11 characters with the
following parameters:
Bytes Meaning
1-4 Cycle time
5-8 Pump life
9-10 Cycle number
11 CRC
When the Request is "L" (software version), the Answer
will contain a string of 12 characters with the following
parameters:
Bytes Meaning
1-3 Software version
4-7 CRC 16 EPROM
8-11 CRC 16 parameters
12 CRC
On request a sample program in QBasic language is
available by Varian.
When the configuration parameters have to be changed,
send a Request string with the letter “S” and a series of
characters as shown below:
"S" + .... DATA .... + CRC
The CRC is calculated on the string consisting of
S + DATA.
This field is structured as follows:
Bytes Meaning
1 0 ÷ 4
2 CRC
The values assumed by byte “1” have the following
meaning:
• 0 = 600 baud
• 1 = 1200 baud
• 2 = 2400 baud
• 3 = 4800 baud
• 4 = 9600 baud
TECHNICAL INFORMATION
RS 485 Communication Description
Communication RS 485 serial port connections
Transmission Channel Characteristics
levels: RS 485
baud rate: 9600/4800/2400/1200/600
programmable
character length: 8 bits
parity: none
stop bit: 1 bit
protocoll: master (PC) / slave (converter)
max. devices: 32
Message Structure
(request and answer have the same format)
The master system (PC) starts every session sending
the following message to the slave units connected:
/ + + +
+ +
where:
= 0x02
= 0x80 (for RS 232 and
RS 422 only)
= 0x80 + device number (0...31)
0xFF: brodcasting command
(recognized by all the devices, it
doesn’t implicate any answer)
(for RS 485 only)
= ' 000 '...' 999' window number
the meaning of the window
depends to the device type
= 0x30: window value reading
0x31: window writing
79 87-900-884-01 (D)