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6. Configuration
Before operating the pump, configure the motor controller settings so that they are
suitable for the application.
If the system is designed to operate with parallel control and monitoring, there is no
facility to change the majority of the motor controller settings once the pump is installed
on the system.
The pump is supplied with all settings at factory default values, as shown in
Summary of commands that can be sent to the
settings are to be changed, change them before installing the pump on the system.
The pump can be configured using the customer serial comms over the serial interface.
Configure the pump using serial commands
be needed to configure the motor controller. Alternatively use the Edwards TIC Turbo
and Instrument Controller, TIC Turbo Controller or TAG Controller. Further information
regarding this is detailed in
nST2 PC software can also be used to configure the pump, either via the serial interface
or via the USB service port.
Note:
The standby speed may be adjusted using the button on the motor controller as
described in
If the pump is operated with parallel control and monitoring and the controller settings
will not be reconfigured, go straight to
6.1 Configure the pump using serial commands
Refer to
Table: Summary of commands that can be sent to the pump
the full set of serial commands, parameter ranges and factory defaults for each setting.
Message structure
on
page 67
Command and reply ta-
ble definitions
on page
67
Power limit setting
on
page 68
Powering a fan from the
motor controller
on
page 69
Controlled venting op-
tions
on page 69
B8J200880_D
300812671_002_C3
B8J200880_D - Configuration
Configure the pump using a TIC
Standby speed setting
on page 70.
The message structure and command set are the same for RS485 and
RS232 options. To communicate a message to the nEXT pump, the charac-
ters must be sent in a specific order. If the message does not conform to the
correct structure it will be ignored and no reply will be sent.
Explanation of the command and reply characters.
The pump is supplied with a default power limit. If this limit is not suitable
for the application, change it to any value between the maximum and mini-
mum setting.
A fan can be powered from the nEXT motor controller on auxiliary output 2.
If the motor controller is used to automatically control a vent valve, there
are a number of venting options available.
Page 66
pump. If any of the motor controller
on page 66 details the commands that will
on page 74. The Edwards
Before starting the pump
08/2021 - ©Edwards Limited
Table:
on page 75.
for a summary of
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