INFICON HPG400-SP ATM to High-Vacuum Gauge (Profibus) User Manual
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tira36e1-a (0310) BPG/HPG400 v1.cp
This parameter indicates the emission status of the gauge.
Emission status
Bit 1
Bit 0 Meaning
False
0
0
Emission Off
TRUE
0
1
Emission current low
TRUE
1
0
Emission current high
TRUE
1
1
Degas
Emission status
Bit 0 Meaning
FALSE
0
Emission Off
TRUE
1
Emission On
This parameter indicates the value of the emission current in mA.
Emission current [mA]
Bit 1
Bit 0
0
0
0
0.025
0
1
5
1
0
20
1
1
This parameter indicates whether the gauge is in Degas mode.
Degas Status
Bit 0
Bit 1 Meaning
FALSE
0
0
Degas Off
TRUE
1
1
Degas On
This service is used for activating the Degas mode via Profibus.
Byte Name
Structure Data type
Bytes
Access
0
State Command
Simple
Unsigned8
1
1/2_W
1
State Command
Data Field...
1)
Simple
Unsigned8
1
1/2_W
State
Command
Name
Description
0
Inactive
No action
1
Set Degas
State
Activates/deactivates the Degas mode
This service is used for activating/deactivating the
Degas mode (p < 7.2
×10
-6
mbar).
If the Degas mode has not been deactivated with
Degas Off before, it is automatically turned off after
3 minutes.
1)
The State Command Data Field can have the following values:
0
Degas Off
1
Degas On
3.3.3.5 Emission Status
BPG400-SP
HPG400-SP
3.3.3.6 Emission Current
(BPG400-SP Only)
3.3.3.7 Degas Status
(BPG400-SP Only)
3.3.3.8 Hot Cathode Block State
Command
(BPG400-SP Only)