INFICON SKY CDGxxxD (DeviceNet) - Manual (Page 20)

20
tira51e1 (2009-01) CDGxxxD.cp
Following is the instance 1 with the subclass extension of the capacitance mano-
meter (diaphragm gauge) part of the gauge. Many different types of gauges are
available. The behavior of all gauges is the same, but the fullscale value is
different.
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 speci-
fied in this table. → "Semantics" section below.
Int
≙ C3
h
[default]
float ≙ CA
h
4 Set
→ below
NV Data units UINT Determines the
units context of
value and all re-
lated attributes. → "Semantics" section below.
Supported Values:
Counts
≙ 1001
h
[default]
mbar ≙ 1308
h
Torr ≙ 1301
h
Pascal ≙ 1309
h
5 Get V Reading valid BOOL Indicates that the
value attribute con-
tains a valid value. 0 = invalid
1 = valid
(invalid: e.g., not warmed up
yet)
6 Get V Value INT or specified
by data type Analog input value The corrected, converted, cali-
brated final value of the sensor.
→ "Semantics" section below.
7 Get V Status BYTE Alarm and warning
state of this object
instance. → "Semantics" section below.
8 Set NV Alarm enable BOOL Enables the setting
of the alarm status
bits 0 = disable [default]
1 = enable
9 Set NV Warning enable BOOL Enables the setting
of the warning
status bits 0 = disable [default]
1 = enable
10 Get NV Full Scale INT or specified
by data type The value of full
scale for the sen-
sor. The value of attribute value
corresponding to the full scale
calibrated measurement of the
sensor.
[default] = maximum allowable
value for the data type
11 Get NV Offset-A data type USINT Determines the
data type of
attribute offset-A [default] = INT (C3
h
)
12 Set NV Offset-A Specified by
attribute 11
An amount added
prior to gain to
derive value This value could be read at the
measurement device itself after
execution of zero adjust service.
0 = [default]
17 Set NV Alarm trip point
high
Determines the
value above which
an alarm condition
will occur
[default] = Maximum value for
its data type.
18 Set NV Alarm trip point low INT or specified
by data type
Determines the
value below which
an alarm condition
will occur [default] = Minimum value for its
data type.
19 Set NV Alarm hysteresis INT or specified
by data type Determines the
amount by which
the value must
recover to clear an
alarm condition [default] = 0
4.4.3.1 Instance Attributes of
Instance 1