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34
5
Communication
5.1
The RS485 Interface Of The VSM
The VSM transducer is equipped with a serial RS485 interface. To set the ad-
dress for communication via RS485 please remove the rubber cap over the ad-
dress switch and then set the address switch to a value between 1 and 16 using
a small screw driver or a similar tool. Afterwards insert the rubber cap again.
Communication telegrams are transmitted as ASCII text according to the Thy-
racont protocol version V2. Detailed information is provided in the separate de-
scription "Thyracont Communication Protocol".
Download link:
www.thyracont-vacuum.com/download-center/
Interface-Parameter:
9,6 / 14,4 / 19,2 / 38,4 / 57,6 / 115,2 kBd, 8 data bits, 1 Stopbit, no parity
When powered on the transducer starts with 9,6 kBd. If a tele-
gram with different baud rate is received, the transducer will au-
tomatically adapt to it. For this automatic baud rate adaption a
maximum of two telegrams of type "Type Query" or "Measure-
ment Query " is required.
VSME-de-171111
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