Edwards nEXT85 - Page 6

Cooling.............................................................................................................................. 32
Cooling requirements............................................................................................ 32
Forced air cooling...................................................................................................33
Water cooling.........................................................................................................33
Conguraon 35
Congure the pump using serial commands.................................................................... 35
Message structure................................................................................................. 36
Command and reply table
denions................................................................... 36
Power limit seng................................................................................................. 37
Powering a fan from the motor controller.............................................................37
Controlled
venng opons.................................................................................... 38
Standby speed seng............................................................................................39
Normal speed seng.............................................................................................39
Timer seng and opons...................................................................................... 40
Analogue signal
opons.........................................................................................41
Electronic braking opons..................................................................................... 41
Factory sengs...................................................................................................... 42
Assigning a mul-drop address..............................................................................42
Congure the pump using a TIC....................................................................................... 43
Operaon of the nEXT85 44
Before starng the pump................................................................................................. 44
Close the vent valve............................................................................................... 44
Pre-start sequence.................................................................................................44
Vent
opons, vent valve connecon and control............................................................. 44
Manual vent valve..................................................................................................45
TAV5 solenoid vent valve....................................................................................... 45
Vent valve control.................................................................................................. 45
Alternave valve connected to the vacuum system.............................................. 48
Operaon with parallel control and monitoring...............................................................48
Start the pump with parallel control......................................................................48
Run the pump at standby speed with parallel control...........................................49
Stop the pump with parallel monitoring................................................................49
Parallel monitoring................................................................................................ 49
Operaon with serial control and monitoring.................................................................. 49
Delayed start with serial control............................................................................ 49
Start the pump with serial control.........................................................................50
Run the pump at standby speed with serial control.............................................. 50
Stop the pump with serial control......................................................................... 51
Monitor temperature readings with serial control................................................ 51
Monitor link parameter readings with serial control............................................. 51
Monitor measured motor speed with serial control..............................................51
Mixed parallel and serial
operaon.................................................................................. 52
Operaon with a TIC or TAG............................................................................................. 53
Decelerang and venng..................................................................................................53
Operaon at extreme condions..................................................................................... 54
Operaon with high inlet pressure........................................................................ 54
Operaon at high temperatures............................................................................ 54
B8G0-00-880A - Contents
Page 6