Emerson VILTER MicroVission Operation And Service Manual page 210

Appendix B • Communication Tables
Trip Status Words
Statuses: Trip Status Word(s) – currently 48 trips, so all Trip Status Words 1, 2, 3 and 4 are used, with each position
indicating an alarm:
Bit 0 = Low Suction Pressure Inhibit
Bit 1 = Low Process Temperature Inhibit
Bit 2 = Low Process Pressure Inhibit
Bit 3 = Low Crankcase Oil Temperature Start Inhibit
Bit 4 = Low Oil Level Inhibit
Bit 5 = Low Suction Temperature Inhibit
Bit 6 = High Discharge Pressure Inhibit
Bit 7 = High Discharge 2 Pressure Inhibit
Bit 8 = High Process Pressure Inhibit
Bit 9 = High Discharge Temperature Inhibit
Bit 10 = High Discharge 2 Temperature Inhibit
Bit 11 = High Crankcase Oil Temperature Inhibit
Bit 12 = High Filter Differential Pressure Start Inhibit
Bit 13 = Compressor Interlock Inhibit
Bit 14 = High Level Shutdown Inhibit
Bit 15 = Low Discharge Pressure Inhibit
B − 6
MSB
[Bit 15, Bit 14, Bit 13 ... Bit 3, Bit 2, Bit 1, Bit 0]
Table B-9. Trip Status Words (Words 1 & 2)
Word 1
MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3
LSB
Word 2
Bit 0 = Low Discharge Temperature Inhibit
Bit 1 = Low Discharge 2 Pressure Inhibit
Bit 2 = Low Discharge 2 Temperature Inhibit
Bit 3 = Low Oil Filter In Pressure Inhibit
Bit 4 = Low Oil Filter Out Pressure Inhibit
Bit 5 = Unused
Bit 6 = Unused
Bit 7 = Unused
Bit 8 = Unused
Bit 9 = Unused
Bit 10 = Unused
Bit 11 = Unused
Bit 12 = Unused
Bit 13 = Unused
Bit 14 = Unused
Bit 15 = Unused