Edwards nEXT200200 - Extreme Condition Operation

Note:
This c
ommand overrides the current vent opon and closes the vent valve. There is no
command to open the vent valve but, when a stop command is sent to the pump, the
override will be cleared.
6.3.2 Start the pump
To start the pump, send the command (over the serial communicaons link) that
follows:
Command ! C 8 5 2 sp 1 cr
The reply is as follows:
Reply * C 8 5 2 sp 1 cr
The pump will accelerate to full operang speed. The green indicator LED illuminates
when the pump reaches normal speed. This is 80% of the full rotaonal speed by
default, but a dierent value can be selected to suit the applicaon.
6.3.3 Standby speed
If the pump operates at less than or more than the standby speed it will accelerate or
decelerate unl standby speed is reached.
To operate the pump at standby speed, send the command (over the serial
communicaons link) that follows:
Command ! C 8 6 9 sp 1 cr
The reply is as follows:
Reply * C 8 6 9 sp r cr
To return the pump to full speed, send the command that follows:
Command ! C 8 6 9 sp 0 cr
The reply is as follows:
Reply * C 8 6 9 sp r cr
6.3.4 Stop the pump
When the s
top command is received, the pump rotor will decelerate and stop.
To stop the pump, send the command (over the serial communicaons link) that follows:
Command ! C 8 5 2 sp 0 cr
The reply is as follows:
Reply * C 8 5 2 sp r cr
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B85200880_D - Operaon