akYtec GmbH · Vahrenwalder Str. 269 A · 30179 Hannover · Germany · Tel.: +49 (0) 511 16 59 672-0 · www.akytec.de
Contents
1. Description......................................................................................................................................................2
1.1 Function...................................................................................................................................................2
1.2 RS485 network ........................................................................................................................................2
1.3 Design......................................................................................................................................................2
2. Specifications.................................................................................................................................................4
2.1 Galvanic isolation.....................................................................................................................................5
2.2 Environmental conditions.........................................................................................................................5
3. Safety...............................................................................................................................................................7
3.1 Intended use............................................................................................................................................7
4. Installation.......................................................................................................................................................8
4.1 Wiring.......................................................................................................................................................8
4.1.1 Inputs ...................................................................................................................................................8
4.1.2 Resistance thermometer......................................................................................................................9
4.1.3 Thermocouples....................................................................................................................................9
4.1.4 Linear signals.....................................................................................................................................10
4.1.5 Resistance sensor .............................................................................................................................10
4.1.6 Digital signals.....................................................................................................................................11
4.1.7 Different input signals ........................................................................................................................11
5. Configuration................................................................................................................................................12
6. Operation.......................................................................................................................................................15
6.1 Signal processing ..................................................................................................................................15
6.1.1 Sampling............................................................................................................................................15
6.1.2 Cold junction compensation...............................................................................................................15
6.1.3 Linear signal.......................................................................................................................................15
6.1.4 Digital Filter........................................................................................................................................15
6.1.5 Correction ..........................................................................................................................................16
6.2 Modbus communication.........................................................................................................................17
6.3 Error diagnosis.......................................................................................................................................18
7. Factory settings restoration........................................................................................................................19
8. Maintenance..................................................................................................................................................21
9. Transportation and storage.........................................................................................................................22
10. Scope of delivery..........................................................................................................................................23
Appendix A. Dimensions ..................................................................................................................................24
