User guide
Contents
Relay box 731, Instructions for use
1 Overview _____________________________________________1
1.1 Range of applications ________________________________ 1
1.2 Possible applications_________________________________ 1
1.3 Instrument description________________________________ 2
1.3.1 Front view.................................................................................... 2
1.3.2 Rear view.....................................................................................3
2 Installation___________________________________________4
2.1 Instrument setup_____________________________________ 4
2.1.1 Line supply.................................................................................. 4
2.2 Safety information ___________________________________ 7
2.3 Setting the DC output voltage__________________________ 9
2.4 Connections _______________________________________ 10
2.4.1 Remote control via remote lines................................................10
2.4.2 The Metrohm remote socket.....................................................11
2.4.3 The 731 Relay Box and remote lines.........................................13
2.4.4 Connection cable......................................................................13
2.4.5 Application examples ...............................................................15
3 Settings _____________________________________________21
3.1 Possible settings ___________________________________ 21
3.2 Inverting___________________________________________ 22
4 Technical specifications ___________________________23
5 Warranty and certificates __________________________25
5.1 Warranty __________________________________________ 25
5.2 EC Declaration of Conformity _________________________ 26
5.3 Certificate for conformity and system validation _________ 27
6 Accessories _________________________________________28
7 Index ________________________________________________29