Edwards nEXT85 User Manual

Start the pump with serial control
WARNING:
Do not operate the pump with its rotor exposed. Before operang the pump it must rst
be connected to the vacuum system. If the pump is operated with its rotor exposed, the
pump rotor can cause injury as it rotates at very high speeds and the rotang blades might
not be visible.
WARNING:
Do not move the pump whilst it is running. The gyroscopic forces generated by this
movement can cause excessive use of the back-up bearing and may result in catastrophic
failure of the pump.
WARNING:
When power is restored following a power cut, the pump will restart automacally. The
pump must remain connected to the vacuum system to prevent risk of injury.
In serial control the pump will accelerate to full operang speed when started.
1. To start the pump, send the following command over the serial communicaons link:
Command ! C
8 5 2
sp
1
cr
2. The reply will be in the following format:
Reply * C
8 5 2
sp
1
cr
The green indicator LED will illuminate when the pump reaches normal speed. This is
80% of full rotaonal speed by default but a dierent value may have been selected to
suit the applicaon.
Run the pump at standby speed with serial control
If the pump is running below or above standby speed it will accelerate or decelerate
unl
standby speed is reached.
1. To run the nEXT85 pump at standby speed, send the following command over the
serial communicaons link:
Command ! C
8 6 9
sp
1
cr
2. The reply will be in the following format:
Reply * C
8 6 9
sp
r
cr
3. To return the pump to full speed, send the following command:
Command ! C
8 6 9
sp
0
cr
4. The reply will be in the following format:
Reply * C
8 6 9
sp
r
cr
B8G0-00-880A - Operaon of the nEXT85
Page 50

Edwards nEXT85 Specifications

General

Brand	Edwards
Model	nEXT85
Category	Water Pump
Language	English