Digital 280-1 3
Content
1Mounting ..............................5
2Electrical connections .......................7
2.1 Connecting diagram .........................7
2.2 Terminal connection.........................7
3Operation .............................11
3.1 Front view .............................11
3.2 Behaviour after power-on .....................11
3.3 Operating level ...........................12
3.3.1 Min/max function ............................12
3.3.2 Tare function ..............................13
3.3.3 Sample&hold amplifier .........................13
3.3.4 O2measurement .............................14
3.3.5 Extended operating level ........................15
3.3.6 Alarm handling .............................16
3.4 Maintenance manager / Error list .................17
4Controller .............................19
4.1 Operation..............................19
4.2 Control parameters .........................19
4.3 Self-tuning .............................20
4.3.1 Self-tuning start ( Ù+È)......................20
4.3.2 Self-tuning cancellation ........................20
4.3.3 Acknowledgement procedures in case of unsuccessful self-tuning . 21
4.3.4 Examples for self-tuning attempts ..................22
4.3.5 (controller inverse, heating or heating/cooling) ...........22
4.4 Manual tuning ...........................22
4.5 Operating structure.........................24
5Configuration level ........................25
5.1 Configuration survey........................25
5.2 Configuration ...........................26
5.3 Configuration examples ......................34
5.3.1 On-Off controller / Signaller (inverse) .................34
