INFICON BPG402-SD ATM to Ultra-High Vacuum Gauge (DeviceNet) User Manual
Page 20
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tira46e1 (2004-11) BPG402-SDv1.cp
Following is the Instance 2 with the subclass extension of the hot cathode ion
gauge part of the BPG402-SD. This instance is used to provide control and status
information for the hot cathode ion gauge part of the BPG402-SD.
Attribute
ID
Access
Rule
NV/
V
Name
DeviceNet
Data Type
Description of Attribute
Semantics of Values
3
Set/Cond.
→ below
NV
Data Type
USINT
Determines the Data Type
of Value and all related
attributes as specified in
this table.
→ "Semantics" section
[default] = INT
4
→
"Semantics"
NV
Data Units
ENGUNITS
Determines the Units con-
text of Value and all related
attributes.
→ "Semantics" section
[default] = Counts
5
Get
V
Reading
Valid
BOOL
Indicates that the Value
attribute contains a valid
value.
0 = invalid
1 = valid
(invalid: e.g., not warmed up yet)
6
Get
V
Value
INT or speci-
fied by Data
Type if sup-
ported
Analog input value
The corrected, converted, calibrated
final value of the sensor.
→ "Semantics" section
7
Get
V
Status
BYTE
Alarm and Warning State
of this object instance
→ "Semantics" section
10
Get
NV
Full Scale
INT or speci-
fied by Data
Type if sup-
ported
The Value of Full Scale for
the sensor.
The value of attribute Value corre-
sponding to the Full Scale calibrated
measurement of the sensor.
[default] = maximum allowable value
for the Data Type
25
Set
NV
Safe State
USINT
Specifies the behavior for
the Value for states other
than Execute
→ "Semantics" section
[default] = 0
26
Set
NV
Safe
Value
INT or speci-
fied by Data
Type if sup-
ported
The Value to be used for
Safe State = Safe Value
→ "Semantics" section
[default] = 0
32
Get
NV
Overrange INT or speci-
fied by Data
Type if sup-
ported
Specifies the highest valid
Value
The value above which attribute
Reading Valid is set to invalid.
[default] = maximum allowable value
for the Data Type
33
Get
NV
Under-
range
INT or speci-
fied by Data
Type if sup-
ported
Specifies the lowest valid
Value
The value below which attribute
Reading Valid is set to invalid.
[default] = minimum allowable value
for the Data Type
88
Get
V
Degas
Status
BOOL
Indicates current degas
state
0
OFF
1
ON
89
Set
V
Active
Filament
BYTE
Indicates selected filament
Bit 0 =1
filament 1 selected
Bit 1 =1
filament 2 selected
91
Get
V
Emission
Current
REAL
Indicates setting level of
emission current in amps
92
Set
NV
Filament
Control
USINT
Defines the mode in which
the filament is used.
0
Auto Î The device switches the
filament from Fil1 to Fil2 and
from Fil 2 to Fil1 every time the
emission is switched on.
1
Manual Î The device uses the
filament which is selected by
the attribute ActiveFilament
93
Get
V
Emission
Status
BOOL
Indicates whether the
emission is turned ON or
OFF
0
OFF
1
ON
94
Get
V
Sensor
Warning
Structure of
Byte
default
0 → "Semantics"
95
Get
V
Sensor
Alarm
Structure of
Byte
default
0 → "Semantics"
2.4.2.3 Instance Attributes of
Instance 2 Hot Cathode
Ion Gauge