Powering A Fan From The Motor Controller; Controlled Venting Options - Edwards nEXT730D Instruction Manual

Turbomolecular pumps
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Reply

6.1.4 Powering a fan from the motor controller

A fan can be powered from the nEXT motor controller on auxiliary output 2.
Send the following command:
Command
The reply will be in the following format:
Reply
The permanently enabled fan setting is now stored in memory within the nEXT pump.
When the pump is shipped, it is set up to run a vent valve. Send a query to find out what
the setting is as follows:
Command
The reply will be in the following format:
Reply
If the character 'd' is 8, then the fan is enabled. If it is anything else, configure the motor
controller to run the fan.

6.1.5 Controlled venting options

If the motor controller is used to automatically control a vent valve, there are a number
of venting options available.
Refer to
Table: Vent valve options
types
for available valve types.
To set a vent option on auxiliary output 1 send the following command, (where the
character 'd' refers to the option number shown in
Command
The reply will be in the following format:
Reply
The venting option is now stored in memory within the nEXT pump.
To check what venting option is set, send a query as follows:
Command
The reply will be in the following format:
Reply
To set the valve type on auxiliary output 1, send the following command, (where the
character 'd' refers to the option number shown in
Reply
The reply will be in the following format:
B8J200880_D
300812671_002_C3
B8J200880_D - Configuration
=
S
8
5
!
S
8
*
S
8
?
S
*
S
8
for available venting options and refer to
!
S
8
*
S
8
?
S
=
S
8
!
S
8
Page 69
5
sp
d
d
6
4
sp
6
4
sp
8
6
4
6
4
sp
Table: Vent valve
options):
5
3
sp
5
3
sp
8
5
3
5
3
sp
Table: Valve
types):
7
7
sp
08/2021 - ©Edwards Limited
d
cr
8
cr
r
cr
cr
d
cr
Table: Valve
d
cr
r
cr
cr
d
cr
d
cr

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