Edwards nEXT730D Instruction Manual page 44

Turbomolecular pumps
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Object name
Command
Bearing Inactivity
?V891
(Bearing Condition-
ing)
?V891
!C891
Bearing Inactivity
?V892
(Bearing Replace)
Bearing inactive time ?V893
!C893
Real Time Clock
?V895
B8J200880_D
300812671_002_C3
B8J200880_D - Technical data
Parameter range
Factory set-
ting
9
10
11
12
13
14
15
0..999999
8760
0..8
0
0..1
0
0..999999
26280
0
0..999999
1
0..3599996400
UTC
Page 44
Data type
Units
decimal
hours
decimal
-
decimal
-
decimal
hours
decimal
hours
decimal
Date and time
sec
Comments
Do not use
Output is permanently de-energised
(Fan OFF)
Do not use
Do not use
Do not use
Hard vent when < 50% speed if stop
Controlled vent if > 50% speed then
hard vent if < 50% speed if stop.
Bearing Conditioning period (12
months)
Bearing Conditioning Status
0 – BCON disabled
1 – Phase 1 active
2 – Phase 2 active
4 – Phase 3 active
8 – Phase 4 active
0: BCON Cancel
1: BCON Start
Bearing Replace due to inactivity thresh-
old period (3 years)
Bearing inactive time
Reset bearing inactivity hours
This is UTC represented in seconds since
start of the year 2000 i.e. since
2000/01/01 00,00,00
08/2021 - ©Edwards Limited

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