YSI IQ S ENSOR N ET Field bus linking - Manual (Page 10)

Installing the interface in the IQ S ENSOR N ET IQ S ENSOR N ET Field bus linking
8 ba76148e01 06/2013
* Wire colors when using a standard PROFIBUS cable.
Phoenix connector IQ S ENSOR N ET instrument
Wire
(color*) Terminals Pin Potential at
instrument
connector
Function
1 -
2 -
Red 1B and 2B 3 B line Positive RxD/TxD according to
RS 485 specification
4 RTS Request To Send
5 GND BUS Reference potential for data wires and
terminating resistors
6 +5 V BUS Supply voltage for
terminating resistors
7 -
Green 1A and 2A 8 A line Negative RxD/TxD
according to RS 485 specification
9 -
Please observe the operating manual of the connector.