Emerson Vilter MicroVission - Compressor Start and Stop Commands

C - 5
MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3
Appendix C • Remote Control and Monitoring
Compressor Start and Stop Commands
Modbus Register 40178 – Start Command
• 1 = Start Compressor in Remote Auto Mode
Two (2) minute Remote mode time-out timer
Once the compressor has been started in Remote Auto
Mode using the Start Compressor Command, a 2 - minute
timer will start. If no further communication takes place
to the MicroVission within 2 minutes, the MicroVission
will be placed in Local Auto mode, a yellow banner will be
displayed on the MicroVission signifying that a “Remote
Comm Time-out” occurred, and the Event List will get
populated with a time-stamped “Remote Comm Time-
out” event.
Modbus Register 40179 - Stop Command
• 1 = Stop Compressor Command
MicroVission panel will remain in Remote (Idle) mode
after a Stop Compressor command has been issued.
Figure C- 4. Remote Cap Hold without Compressor VFD
Figure C-5. Remote Cap Hold with Compressor VFD