Communication; The Serial Interface Of The Vsm - thyracont VSM77D Betriebsanleitung

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5

Communication

5.1

The Serial Interface Of The VSM

The VSM transducer is equipped with a serial RS485 interface. To enable
communication via RS485 please remove the rubber cap over the address
switch (1) and then set the address switch to a value between 1 and 16 using a
small screw driver or a similar tool (2). Afterwards insert the rubber cap again.
Communication telegrams are transmitted as ASCII text according to the
Thyracont protocol version V2. Detailed information is provided in the separate
description "Thyracont Communication Protocol".
Download link:
Interface-Parameter:
9,6 / 14,4 / 19,2 / 38,4 / 57,6 / 115,2 kBd, 8 data bits, 1 Stopbit, no parity
VSM-de-171005
Downloaded from www.Manualslib.com
www.thyracont-vacuum.com/download-center/
The analog output signal 0-10V is simultaneously available with
RS485 !
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.
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