
17
NT UF 811 CP GB (e) / June 2015
3.3.1 Communication connector
Depending on whether the RS232 or RS485 interface has been selected, connect the RX TX or A, B pins to
ground.
Notes:
The serial link is electrically insulated.
If the UF 811 is the last device on the RS485 network, a termination resistance of 120 Ohm
must be added to the connector between pins A and B.
Only one of the two interfaces may be in operation at any one time.
The connector used is a
male 5-pin M12 type
connector with inverted B coding.
View of the base
The pins have the following functions:
Pin
Functions
1
RS 485 : A / RTx (-)
2
RS 485 : B / RTx (+)
3
RS 232 : Tx (Output Uf 811)
4
RS 232 : Rx (Input Uf 811)
5
GND ISO
Note
: the pin number is engraved directly on the connector.
Содержание Uf 811
Страница 4: ...4 NT UF 811 CP GB e June 2015 CHAPTER 1 OVERVIEW...
Страница 11: ...11 NT UF 811 CP GB e June 2015 CHAPTER 2 SAFETY INSTRUCTIONS...
Страница 14: ...14 NT UF 811 CP GB e June 2015 CHAPTER 3 INSTALLATION AND WIRING...
Страница 28: ...28 NT UF 811 CP GB e June 2015 CHAPTER 4 INSTALLING A MEASURING POINT...
Страница 30: ...30 NT UF 811 CP GB e June 2015...
Страница 38: ...38 NT UF 811 CP GB e June 2015 CHAPTER 5 USING AND CONFIGURING THE Uf 811...
Страница 65: ...65 NT UF 811 CP GB e June 2015 CHAPTER 6 FUNCTION ENGINE...
Страница 67: ...67 NT UF 811 CP GB e June 2015 CHAPTER 7 PC SOFTWARE...
Страница 81: ...81 NT UF 811 CP GB e June 2015 Appendix I Characteristic echo signals...
Страница 84: ...84 NT UF 811 CP GB e June 2015 Appendix II Speed of sound in water...