User Manual

TB 45 3
Content
1. General5
1.1 Application in thermal plants..............................6
2. Safety hints .........................................7
2.1 Maintenance, repair, modification ...........................8
2.2 Cleansing ........................................8
2.3 Spare parts .......................................8
3. Mounting...........................................9
3.1 Connectors.......................................10
4. Electrical connections ..................................11
4.1 Connecting diagram ..................................11
4.2 Terminal connections .................................11
4.3 Anschlussplan .....................................13
4.4 Connection examples .................................14
4.5 Hints for installation..................................15
4.5.1 cULus approval ................................15
5. Operation ..........................................16
5.1 Front view .......................................16
5.2 Operating structure ..................................17
5.3 Behaviour after supply voltage switch-on ......................17
5.4 Displays at operating level ..............................18
5.4.1 Display line 1 .................................18
5.4.2 Display line 2 .................................18
5.4.3 Switching over by means of the Enter key ..................19
5.5 Extended operating level ...............................19
5.6 Release function....................................20
5.7 Unit selection .....................................20
6. Functions ..........................................21
6.1 Limiting functions ...................................21
6.1.1 Temperature monitor .............................21
6.1.2 Limit signaller .................................21
6.2 Linearization ......................................22
6.3 Input scaling ......................................22
6.3.1 Input error detection..............................24
6.3.2 Two-wire measurement ............................24
6.4 Filter ..........................................25
6.5 O
2 measurement (optional) ..............................25
6.6 Limit value processing.................................26
6.6.1 Monitoring the number of operating hours and switching cycles ......28
6.7 Analog output configuration .............................28
6.7.1 Analog output (optional)............................28
6.7.2 Logic output (optional).............................29
6.7.3 Transmitter supply (optional) .........................30
6.8 Maintenance manager / error list ..........................31
6.8.1 Error list:: ...................................31
6.9 Reset to default ....................................32