Contents
1Description......................................................................................................................................................2
1.1 Function...................................................................................................................................................2
1.2 RS485 network........................................................................................................................................2
1.3 Design......................................................................................................................................................3
2Specifications.................................................................................................................................................4
2.1 Environmental conditions.........................................................................................................................5
3Safety...............................................................................................................................................................6
3.1 Intended use............................................................................................................................................6
4Installation.......................................................................................................................................................7
4.1 Wiring.......................................................................................................................................................7
4.1.1 Inputs...................................................................................................................................................7
4.1.2 Resistance thermometer......................................................................................................................8
4.1.3 Thermocouples....................................................................................................................................9
4.1.4 Current / voltage signals......................................................................................................................9
4.1.5 Resistance sensor...............................................................................................................................9
4.1.6 Digital signals.....................................................................................................................................10
4.1.7 Different input signals........................................................................................................................10
5Configuration................................................................................................................................................11
6Operation.......................................................................................................................................................14
6.1 Signal processing ..................................................................................................................................14
6.1.1 Sampling............................................................................................................................................14
6.1.2 Cold junction compensation...............................................................................................................14
6.1.3 Linear signal ......................................................................................................................................14
6.1.4 Digital Filter........................................................................................................................................14
6.1.5 Correction ..........................................................................................................................................15
6.2 Modbus communication.........................................................................................................................16
6.3 Error diagnosis.......................................................................................................................................17
7Factory settings restoration........................................................................................................................18
8Maintenance..................................................................................................................................................20
9Transportation and Storage........................................................................................................................21
10 Scope of delivery.....................................................................................................................................22
Appendix A Dimensions ...................................................................................................................................23
