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MSA CONTENTS

ULTIMA

3 TM

Appendix A Electrical installation .......................................................................25

A-1. Installation Drawings ................................................................................ 25

A-2. Cable Lengths and Power Consumption .................................................. 25

A-3. Connection Drawings ............................................................................... 27

Appendix B ModBUS User Configuration Data.................................................. 28

B-1. ModBUS User Configuration Data............................................................ 28

B-2. Alarm Function Codes - Word 1 ............................................................... 29

B-3. Alarm Function Codes - Word 2 .............................................................. 29

B-4. ModBUS Device Status ........................................................................... 30

B-5. ModBUS General Status Bits .................................................................. 31

B-6. ModBUS Fault Status Bits ....................................................................... 32

B-7. Control Words ......................................................................................... 32

B-8. ModBUS Command Word 1 ................................................................... 33

B-9. ModBUS Command Word 2 ................................................................... 33

B-10. Gas Type.................................................................................................. 34

B-11. Sensor Engineering Units......................................................................... 35

B-12. Information Flags Word 1 ........................................................................ 35

B-13. Information Flags Word 2 ........................................................................ 35

B-14. Information Flags Word 3 ......................................................................... 36

B-15. Information Flags Word 4 ........................................................................ 36

B-16. Alternate Gas Readings .......................................................................... 37

Appendix C Option for internal relay...................................................................38

C-1. Relay connections.................................................................................... 38

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General

Ingress Protection	IP66/67
Enclosure	Explosion-proof
Detection Method	Electrochemical, Infrared, Catalytic Bead
Gases Detected	Combustible gases, Toxic gases, Oxygen
Display	LCD
Output	4-20 mA, HART
Housing Material	Stainless steel
Certifications	ATEX, IECEx, UL, CSA, SIL 2