CONTENTS
A.3 Accessories 111
A.3.1 CertiedJunctionBox 111
A.3.2 Sunshade 112
A.3.3 Flow Housing 113
A.3.4 Weather Protection 113
A.3.5 Collecting Cone 113
A.3.6 Oxygen Transducer Adaptor 113
A.4 LonWorks Communications Board 113
A.4.1 LonWorks Network Variables 114
A.4.2 Node Object 114
A.4.3 Sensor Object 116
A.4.4 Virtual Function Block 117
A.4.5 Implementation of nviRequest 118
A.4.6 Interpretation of nvoStatus 119
APPENDIX B - CERTIFICATION 120
B.1 Transmitter Unit 120
B.2 Certied Sensor 121
B.3 Certied Junction Box 123
B.4 Accessories 124
B.5 Control Drawings 125
APPENDIX C - ACCESSORIES & SPARE PARTS 127
C.1 Accessories 127
C.2 Digital Communications Board 127
C.3 Spares 127
APPENDIX D - GLOSSARY 128