Edwards nEXT400 User Manual

To check the venng
opon that is set, send a query as follows:
Command ? S 8 5 3 cr
The reply is as follows:
Reply = S 8 5 3 sp d cr
5.1.4 Standby speed seng
You can operate the pump at a standby speed rather than full rotaonal speed. The
standby speed is a user-congurable opon and can be set to the value between 55%
and 100% full rotaonal speed. When the pump is shipped, it is congured with a
standby speed of 70% full rotaonal speed.
To change the standby speed seng, use one of the methods that follows:
▪ Use the STDBY+ and STDBY- push buons (given on the controller). Each push of
the buon adjusts the speed by 10 Hz (1%) Refer to Figure: Controller status
informaon.
▪ Use a serial command
To change the standby speed seng using a serial command, send the command that
follows (characters 'd' shows the value as a percentage of full rotaonal speed):
Command ! S 8 5 7 sp d d d cr
The reply is as follows:
Reply * S 8 5 7 sp r cr
The standby speed is now stored in memory of the pump.
To check wha
t standby speed is set, send a query as follows:
Command ? S 8 5 7 cr
The reply is as follows:
Reply = S 8 5 7 sp d d d cr
5.1.5 Normal speed seng
The normal speed is a user-congurable seng and can be set to the value between
50% and 100% full rotaonal speed. When the pump is shipped, it is congured with a
normal speed of 80% full rotaonal speed.
To change the normal speed seng, send the command that follows (characters 'd'
shows the value as a percentage of full rotaonal speed):
Command
! S 8 5 6 sp d d d cr
The reply is as follows:
Reply
* S 8 5 6 sp r cr
The normal speed is now stored in the memory of the pump.
To check what normal speed is set, send a query as follows:
04/2022 - ©Edwards Limited
Page 65B80000880_G
B80000880_G - Conguraon

Edwards nEXT400 Specifications

General

Brand	Edwards
Model	nEXT400
Category	Water Pump
Language	English