Emerson Vission 20/20 Operation And Service Manual page 256

Appendix B • Vission 20/20 Application Procedures
If control mode being set isn't active in confi guration, command will result in error. This values are allowed to get
changed only when schedule is enabled
Compressor Scheduling: Hour INT – This values are allowed to get changed only when schedule is disabled
Compressor Scheduling: Minute INT – This values are allowed to get changed only when schedule is disabled
• Statuses: Trip Status Word(s) – currently only 39 trips, so only Trip Status Words 1, 2 and 3 are used, with each
position indicating an trip (MSB to LSB [Bit 15, Bit 14, Bit 13, ... Bit 3, Bit 2, Bit 1, Bit 0]):
Word 1
Bit 0 = High Level Input Inhibit
Bit 1 = Low Process Temp. Inhibit
Bit 2 = High Discharge Pressure Inhibit
Bit 3 = High Discharge Temp. Inhibit
Bit 4 = Low Oil Separator Start Temp. Inhibit Bit 4 = Low Process Temp. Trip
Bit 5 = Low Suction Pressure Inhibit
Bit 6 = Low Suction Temp. Inhibit
Bit 7 = High Oil Injection Temp. Inhibit
Bit 8 = Prelube Oil Pump Inhibit
Bit 9 = Compressor Interlock Inhibit
Bit 10 = High Level Shutdown Trip
Bit 11 = Compressor Interlock Trip
Bit 12 = Low Oil Pressure Trip
Bit 13 = Low Oil Injection Temp. Trip
Bit 14 = High Filter Differential Trip
Bit 15 = Low Suction Temp. Trip
B - 100
Word 2
Bit 0 = High Discharge Temp. Trip Bit 0 = High Filter Differential
Bit 1 = Low Suction Pressure Trip
Bit 2 = High Discharge Pressure
Trip
Bit 3 = Starter Shutdown Trip
Bit 5 = Low Oil Separator Temp.
Trip
Bit 6 = High Oil Injection Temp.
Trip
Bit 7 = High Motor Current Trip
Bit 8 = Capacity Position Trip
Bit 9 = Volume Position Trip
Bit 10 = False Start
Bit 11 = Emergency Shutdown
Activated
Bit 12 = Oil Level #1 Inhibit
Bit 13 = Oil Level #1 Trip
Bit 14 = Oil Level #2 Trip
Bit 15 = Low Oil Level Trip After
Stop
Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 2.0
Word 3
Inhibit
Bit 1 = High Superheat Temp.
Inhibit
Bit 2 = High Superheat Start
Temp. Trip
Bit 3 = High Superheat Rise Temp.
Trip
Bit 4 = High Superheat Run Temp.
Trip
Bit 5 = Low Run Pressure Ratio Trip
Bit 6 = High Oil Separator Temp.
Trip
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