INFICON HPG400-SD ATM to Ultra-High Vacuum Gauge (DeviceNet) User Manual
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tira03e1-b (0310) BPG/HPG400-SDv1.cp
21
Following is the Instance 2 with the subclass extension of the hot cathode ion
gauge part of the BPG400-SD / HPG400-SD. This instance is used to provide
control and status information for the hot cathode ion gauge part of the
BPG400-SD / HPG400-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
91
Get
V
Emission
Current
REAL
Indicates setting level of
emission current in amps
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