HYDAC ELECTRONIC HFS 2100 Bedienungsanleitung Seite 29

Flow switch HFS 2100 with ATEX approval
1 General ................................................................................................................ 4
2 Function .............................................................................................................. 4
3 Safety information.............................................................................................. 5
3.1 General hints ................................................................................................. 5
3.2 Proper / Designated use .............................................................................. 5
3.3 Qualified personnel ...................................................................................... 5
3.4 Electrical installation .................................................................................... 6
3.5 Mechanical installation ................................................................................ 6
3.6 Others ............................................................................................................ 6
4 Installation .......................................................................................................... 8
4.1 Process connection ..................................................................................... 8
4.2 Ambient conditions ...................................................................................... 8
5 Electrical connection ......................................................................................... 9
5.1 Standard switching contacts....................................................................... 9
5.2 Contact protection arrangement ................................................................. 9
6 Switchpoint adjustment .................................................................................. 10
7 Maintenance ..................................................................................................... 10
8 Application area ............................................................................................... 11
8.1 Groups ......................................................................................................... 11
8.2 Category ...................................................................................................... 11
8.3 Overview ...................................................................................................... 11
9 Technical data .................................................................................................. 12
10 Order details .................................................................................................. 13
11 Dimensions .................................................................................................... 14
11.1 Devices without mechanical indicator ..................................................... 14
11.2 Devices with mechanical indicator ........................................................... 15
12 Fault finding hints ......................................................................................... 16
12.1 The switch contact does not react ........................................................... 16
12.1.1 The switch contact is permanent in break position ................................. 16
12.1.2 The switching contact is permanent in made position ............................ 16
12.2 Switch point does not match with actual flow ......................................... 16
13 Certificate ....................................................................................................... 17
Status 2012/09/18
Content
HYDAC ELECTRONIC GMBH
Page 2
Mat. No.: 669863