DURAG D-R 290, Operating Manual

Page: 96 / 202

5 | Installation
96 D-R 290
Installation of the D-ISC 100 control unit
For installation of the optional D-ISC 100 control unit and for further information about
it please refer to the operating manual for this control unit.
Connecting the supply and control unit
The measuring device D‑R 290 can be operated in three different modes, using the
D‑TB 100 supply unit and/or the D‑ISC 100 control unit:
●
As a stand-alone device with only one D‑TB 100 and no control unit ( Fig. 5.28 ). In
this case, operation is performed using Modbus or a PC, laptop or tablet, using the
D‑ESI 100 operating software .
Fig. 5.28: Connecting the D−R 290 as an individual sensor to the D‑TB 100 supply unit
●
Directly supplied by the D−ISC 100 control unit at the sensor level ( Fig. 5.29 ). In
this case the D‑R 290 is supplied with power directly by the D‑ISC 100, and no
D‑TB 100 is required. The maximum permissible length of this connecting cable is
12 m.
Fig. 5.29: Connecting the D−R 290 as an individual sensor directly to the D‑ISC 100 control unit
5.6
5.6.1