Power Limit Setting - Edwards nEXT730D Instruction Manual

Turbomolecular pumps
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*
Fields showing multiple d characters are to indicate typical length. All data fields have
a maximum of 5 decimal characters (prefixed by a minus number for negative numbers).
§
Fields showing multiple X characters are to indicate maximum length and not fixed
length.
Typical setting command:
Command
Typical setting reply:
Reply
Typical query command:
Command
Typical query reply:
Reply

6.1.3 Power limit setting

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 minimum setting.
Table 17 Power limit setting
nEXT730/930D
nEXT1230H
Send the command as follows (where the 'd' characters represent the value in Watts
that will be set. For example, to set the limit to 500 W, type 500).
Command
The reply will be in the following format:
Reply
The Power Limit Setting is now stored in memory within the nEXT pump.
To check what power limit is set, send a query as follows:
Command
The reply will be in the following format:
B8J200880_D
300812671_002_C3
B8J200880_D - Configuration
Abbreviation
r
sp
string
X
!
S
8
*
=
S
Maximum value set-
ting
600 W
800 W
!
S
8
*
Meaning
Returned error code - refer to
des
on page 99
Space character
May have several ASCII characters
Multi-drop decimal ASCII character
5
5
sp
S
8
5
?
S
8
8
5
5
sp
Minimum value set-
ting
190 W
300 W
5
5
sp
S
8
5
?
S
8
Page 68
Command set error co-
§
d
d
d
5
sp
r
cr
5
5
cr
d
d
d
Default power set-
ting
500 W
500 W
d
d
d
5
sp
r
cr
5
5
cr
08/2021 - ©Edwards Limited
cr
cr
cr

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