Metek uSonic-2 - Page 3

METEK GmbH uSonic-2
3
Index
Chapter 1 Principle of measurement Page 5
1.1 Physical basics Page 5
1.2 Measurement of wind velocity Page 5
1.3 Acoustic temperature Page 6
Chapter 2 Installation Page 7
2.1 Mounting the uSonic-2 Page 7
2.2 Adjustment to the north Page 9
2.3 Installation and connection of the connector Page 10
2.3.1 Installation of the connector Page 11
2.3.2 Pin-assignment of the connector Page 11
2.3.3 Connection of power supply Page 13
2.3.4 Connection of analog output signals (option) Page 13
2.3.5 Connection of serial interface Page 14
Chapter 3 Operating and configuration Page 15
3.1 Operating with the serial interface Page 15
(RS422 / RS232)
3.2 RS485-mode Page 16
3.2.1 Connection to a RS485-Bus Page 17
3.2.2 Disable the RS485-mode Page 17
3.2.3 Wildcard address Page 18
3.2.4 Impossible commands in RS485-mode Page 18
3.2.5 Device specific service address Page 18
3.3 Serial data output Page 19
3.3.1 Options of output format of digital output Page 20
3.3.2 Choice of values with the parameter OD Page 21
3.3.3 Examples of different serial output formats Page 22
3.3.4 Averaging time and sampling frequency Page 23