© 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
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
