Edwards nEXT240, Instruction Manual

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© Edwards Limited 2009. All rights reserved. Page 49
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Operation
B800-00-880 Issue A
4.1.7 Analogue signal options
The Analogue Output can be used to monitor one of four different parameters, as detailed in Table 23 .
To configure the Analogue Output, send the following command (where the character ‘d’ denotes the option number
detailed in
Table 23 ):
The reply you receive will be as follows:
The Analogue Output Signal setting is now stored in memory within the nEXT pump.
To check which Analogue Output Signal setting is enabled, you can send a query as follows:
The reply you receive will be as follows:
4.1.8 Factory settings
You can re-configure your nEXT pump back to its original factory settings with one serial command.
To reset the Controller to factory settings, send the following command:
The reply you receive will be as follows:
The factory settings are restored in the memory within the nEXT pump.
4.1.9 Assigning a multi-drop address
When you receive your nEXT pump it will have multi-drop mode disabled by default. Each individual pump must be
programmed with its own multi-drop address via a point-to-point connection before introduction into a multi-drop
network.
Send the following command to assign a multi-drop address (where the 'd' characters represent the address):
Table 23 - Analogue signal options
Option number Description of analogue output number
0 Measured pump rotational speed
Note: This is the factory default setting.
1 Measured system power
2 Measured motor temperature
3 Measured controller temperature
Command ! S 8 7 1 sp d cr
Reply * S 8 7 1 sp d cr
Command ? S 8 7 1 cr
Reply = S 8 7 1 sp d cr
Command * S 8 6 7 sp 1 cr
Reply * S 8 6 7 sp r cr
Command ! S 8 5 0 sp d d cr