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MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3
Section Page Number
Table of Contents
Appendix A • Unloaders
Unloading Schemes ...............................................................................................................................A-1
Table A-0. Unloading Schemes ................................................................................................... A-2
Table A-1. Type 1 Unloader - Cylinders: 2, 4, or 6 Unloading Percentage: 50% .............................A-2
Table A-2. Type 2 Unloader - Cylinders: 4 Unloading Percentage: 25%, 50%, 75%
Single cylinder Unloader wired to Unloader Output #1 ...............................................................A-2
Table A-3. Type 3 Unloader - Cylinders: 6 or 12 Unloading Percentage: 33%, 66% ........................ A-2
Table A-4. Type 4 Unloader - Cylinders: 8 or 16 Unloading Percentage: 25%, 50%, ....................... A-2
Table A-5. Type 5 Unloader - Cylinders: 8, 16 Unloading Percentage: 25%, 50%, 75% ...................A-3
Table A-6. Type 6 Unloader - Cylinders: 4 or 8 Unloading Percentage: 50%, 100% .......................A-3
Table A-7. Type 7 Unloader - Cylinders 6 or 12 Unloading Percentage: 33%, 66%, 100% ............... A-3
Table A-8. Type 8 Unloader - Cylinders: 6 or 12 Unloading Percentage: 17%, 33%, 50%, 66%
Single cylinder Unloader wired to Unloader Output #1 .............................................................. A-4
Table A-9. Type 9 Unloader - Cylinders: 6 or 12 Unloading Percentage: 17%, 33%, 50%, 66%, 83%
Single cylinder Unloader wired to Unloader Output #1 ...............................................................A-4
Table A-10. Type 10 Unloader - Cylinders: 7 Unloading Percentage: 29%, 57% ............................ A-4
Table A-11. Type 11 - No Unloading ........................................................................................... A-4
Table A-12. Type 12 Unloader - Cylinders: 3 Unloading Percentage: 33% ...................................A-4
Table A-13. Type 13 Unloader - Cylinders: 8, 16 Unloading Percentage: 25%, 50%, 75%, 100% .....A-5
Table A-14. Type 14 Unloader - Cylinders: 6 Unloading Percentage: 33%, 50%, 66% Unloading -
Single cylinder Unloader wired to Unloader Output #1 ...............................................................A-5
Table A-15. Type 15 Unloader - Cylinders: 8 Unloading Percentage: 13%, 25%, 38%, 50%, 63%,
75% Unloading - Single cylinder Unloader wired to Unloader Output #1 and Output #2 .............A-5
Table A-16. Type 16 Unloader - Cylinders: 8 Unloading Percentage: 13%, 38%, 63% Unloading -
Single cylinder Unloader wired to Unloader Output #1 ...............................................................A-6
Table A-17. Type 17 Unloader - Cylinders: 6 Unloading Percentage: 33%, 50%, 66% Unloading -
Single cylinder Unloader wired to Unloader Output #1 ...............................................................A-6
Table A-18. Type 18 Unloader - Cylinders: 5 Unloading Percentage: 40%, 60% Single cylinder
Unloader wired to Unloader Output #1 ......................................................................................A-6
Table A-19. Type 19 Unloader - Cylinders: 3 Unloading Percentage: 33%, 66% Single cylinder
Unloader wired to Unloader Output #1 and Output #2 ...............................................................A-7
Table A-20. Type 20 Unloader - Cylinder: 7 Unloading Percentage: 14%, 29%, 43%, 57% Single
cylinder Unloader wired to Unloader Output #1 ......................................................................... A-7
Appendix B • Communication Tables
MicroVission Communication Table .......................................................................................................B-1
Table B-1. Digital Inputs Block ....................................................................................................B-1
Table B-2. Digital Outputs Block .................................................................................................B-1
Table B-3. Analog Inputs Block ...................................................................................................B-2
Table B-4. Analog Outputs Block ................................................................................................B-2
Table B-5. Calculated Values Block .............................................................................................B-3
Table B-6. Statuses Block ............................................................................................................B-3
Alarm Status Words ...............................................................................................................................B-4
Table B-7. Alarm Status Words ...................................................................................................B-4
Warning Status Words ...........................................................................................................................B-5
Table B-8. Warning Status Words ...............................................................................................B-5
Trip Status Words ...................................................................................................................................B-6
Table B-9. Trip Status Words (Words 1 & 2) .................................................................................B-6
Table B-9. Trip Status Words (Words 3 & 4) .................................................................................B-7
Table B-10. Commands Block .....................................................................................................B-8
Table B-11. Compressor Control Setpoints Block ........................................................................ B-9
Table B-12. Auto Cycle Block ......................................................................................................B-10
Table B-13. Stop Load & Force Unload Block ...............................................................................B-11
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