© Edwards Limited 2013. All rights reserved. Page 55
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Operation
B800-00-880 Issue D
4.1.7 Analogue signal options
The analogue output can be used to monitor one of four different parameters, as detailed in Table 22.
To configure the analogue output, send the following command (where the character ‘d’ denotes the option number
detailed in Table 22):
The reply 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, send a query as follows:
The reply will be as follows:
4.1.8 Factory settings
The nEXT pump can be re-configured to its original factory settings with one serial command.
To reset the controller to factory settings, send the following command:
The reply 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 the nEXT pump is shipped, multi-drop mode is 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 22 - 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 1spdcr
Reply * S
8 7 1spdcr
Command ? S
8 7 1cr
Reply = S
8 7 1spdcr
Command ! S
8 6 7sp1cr
Reply * S
8 6 7sprcr
Command ! S
8 5 0spd dcr
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