Edwards nEXT 240D User Manual

B800-00-880 Issue D
Page 42 © Edwards Limited 2013. All rights reserved.
Edwards and the Edwards logo are trademarks of Edwards Limited.
Installation
3.7.5 Command set
Table 16 shows a summary of the full set of commands available for controlling and monitoring the nEXT pump.
Table 17 shows the abbreviations that are used to define commands in the following sections and Table 18 shows the
error codes that might be returned.
Table 16 - Summary of commands that can be sent to the nEXT pump
Object name Command
Parameter
range
Factory
setting
Data
type
Units Comments
Node !S850
?S850
0.99 - decimal address multi-drop address
0 = disable multi-drop address
99 = wildcard
Pump type ?S851 7;
10;
4
-string
string
string
chars
chars
chars
Pump type
DSP software version number
(D396496XXX for nEXT)
Full speed RPS (1000 for nEXT)
Pump control !C852 0
1
- decimal - Stop the pump
Start the pump
?V852 0.1800;
32-bits
- decimal
hex
RPS
flags
Measured motor speed
System status word
Vent options !S853
?S853
0
1
2
3
4
5
6
7
8
0 decimal Hard vent only when < 50% speed
Controlled vent if > 50% speed or
hard vent if < 50% speed
Hard vent if stop or hard vent if fail
and < 50% speed
Hard vent if stop or controlled vent
if fail and > 50% speed or hard vent
if fail and < 50% speed
Hard vent if fail or hard vent if stop
and < 50% speed
Hard vent if fail or controlled vent if
stop and > 50% speed or hard vent if
stop and < 50% speed
Hard vent if stop or fail
Same as option 6
Vent = Permanently enabled (Fan)
Timer setting !S854
?S854
1.30 8 decimal minutes Timeout period for both initial ramp
up and if speed drops below 50%
Power limit setting !S855
?S855
50.200 160 decimal Watts Link power maximum
Normal speed
setting
!S856
?S856
50.100 80 decimal % Normal speed as a percentage of full
speed
Standby speed
setting
!S857
?S857
55.100 70 decimal % Standby speed as a percentage of
full speed
Temperature
readings
?V859 0.100;
0.100
- decimal
decimal
°C
°C
Measured motor temperature
Measured controller temperature
Link parameter
readings
?V860 0.500;
0.300;
0.15000
- decimal
decimal
decimal
0.1 Volts
0.1 Amps
0.1 Watts
Measured link voltage
Measured link current
Measured link power
Factory settings !S867 1 - - - Reset all configuration options and
parameters to the factory settings
PIC software
version
?S868 10 - string chars Boot loader software version number
(D374796XXX)

Edwards nEXT 240D Specifications

General

Brand	Edwards
Model	nEXT 240D
Category	Water Pump
Language	English