OTT Pluvio 2 S, Operating Instructions Manual

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3
Table of contents
1 Scope of supply 4
2 Order numbers 4
3 Introduction 5
3.1 Measured value output to the SDI-12 and RS-485 interfaces 7
3.2 Measured value output at pulse output 9
3.3 Graphic display of measured value output for different precipitation intensities 11
3.4 Orifice ring rim heater 12
4 Basic safety information 15
5 Installing the OTT Pluvio
2
S 16
5.1 Recommended cable types/maximum cable lengths 16
5.2 Required tools and equipment 17
5.3 Preparing the installation location 18
5.4 Preparing the base plate 19
5.5 Preparing the connection cable 20
5.6 Installing the base plate on the pedestal 22
5.7 Connecting the connection cable 23
5.8 Connecting the grounding cable 23
5.9 Aligning the base plate 24
5.10 Performing final work 25
6 SDI-12 commands and responses 29
6.1 Basic commands 29
6.2 Advanced SDI-12 commands 32
6.3 RS-485 command line mode (ASCII text retrieval) 35
7 Performing maintenance operations 36
7.1 Emptying the collecting bucket 36
7.2 Adding anti-freeze agent for winter operation 36
7.3 Performing the visual inspection 37
7.4 Additional checks in cases of defect 37
7.5 Troubleshooting/remedy 38
7.6 Performing the Guided Accuracy Test (check measurement) 42
8 Repair 44
9 Notes about the disposal of used units 44
10 Technical Data 45
Appendix A – Connecting the OTT Pluvio
2
S to an OTT datalogger 47
A.1 Connecting the OTT Pluvio
2
S to an OTT netDL or OTT DuoSens via SDI-12 or RS-485 interface 47
A.2 Connecting the OTT Pluvio
2
S to an OTT netDL or OTT DuoSens via the pulse output 49
Appendix B – Dimensions of the OTT Pluvio
2
S with pedestal and bottom plate 51
Appendix C – Dimensions of pedestal with bottom plate 52
Appendix D – Installing the anti-theft protection 53
Appendix E – Accessories/replacement parts 54