Contents
1 Introduction 7
1.1 Description .................................................................................................... 7
1.2 Typographical conventions ......................................................................... 8
2 Identifying the instrument version 9
2.1 Type designation .......................................................................................... 9
2.2 Scope of delivery ........................................................................................ 10
2.3 Accessories ................................................................................................ 10
3 Mounting 11
3.1 Mounting site and climatic conditions ..................................................... 11
3.2 Dimensions ................................................................................................. 11
3.2.1 Type 703044 ................................................................................................. 11
3.2.2 Type 703042/43 ............................................................................................ 12
3.2.3 Type 703041 ................................................................................................ 12
3.3 Side-by-side mounting .............................................................................. 13
3.4 Fitting in position ........................................................................................ 13
3.5 Removing the controller module .............................................................. 14
4 Electrical connection 15
4.1 Installation notes ........................................................................................ 15
4.2 Electrical isolation ...................................................................................... 16
4.3 Connection diagrams ................................................................................. 17
4.3.1 Type 703041 ................................................................................................. 17
4.3.2 Type 703042/43/44 ...................................................................................... 20
4.3.3 Termination resistor for the RS422/485 serial interface ............................... 24
4.3.4 Connection of the PROFIBUS-DP connector .............................................. 24