YSI DIQ/S 182 XT-4-MOD - Manual (Page 119)

System 182 XT-4 Modbus connection
7 - 3 ba76028e01 02/2012
Note
All cables with electrical characteristics according to EN 50170 are
suitable as a Modbus cable (e.g. all Profibus cables).
Fig. 7-2 DIQ/S 182 XT-4-MOD with Phoenix connector
Pin assignment of the
connector
* Wire colors when using a standard PROFIBUS cable.
approx. 100 mm
M C S
ESC
OK
Pin Color* Name Function
1 -
2 -
3 Red B line Positive RxD/TxD according to
RS 485 specification
4 RTS Request To Send
5 GND BUS Reference potential for data lines and
terminating resistors
6 +5 V BUS Supply voltage for terminating
resistors
7 -
8 Green A line Negative RxD/TxD according to
RS 485 specification
9 -