4 s-analog sensor object – INFICON HPG400-SD ATM to Ultra-High Vacuum Gauge (DeviceNet) User Manual

Page 17

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17

Service

Code

Service Name

Description of Service

4B

h

Abort

Moves the device to the Abort state

4C

h

Recover

Moves the device out of the Abort state

4D

h

Perform_Diagnostics

Causes the device to perform a set of diag-
nostic routines

• DS Object Service Parameter dictionary

Parameter

Form

Description

TestID

USINT

Type and possibly detail of diagnostic test to be
performed

• TestID parameter

The following values are defined for the TestID parameter for the
Perform_Diagnostics Service Request:

Attribute Value

State

0

Standard

Type "Standard" is specified if there is only one type of diagnostic defined or if
there are more than one including a type standard.

Class Code 31

h

= 49

d

Attribute ID

Access

Rule

Name

DeviceNet
Data Type

Description of Attribute

Semantics of Values

1

Get

Revision

UINT

Revision of this object Note: All class definitions
are required to include this class attribute.

The current value
assigned to this attrib-
ute is one (01).

2

Get

Max
Instance

UINT

Maximum instance number of an object currently
created in this class level of the device.

The largest Instance
number of a created
object at this class
hierarchy level.

94

Get

Active
Value

Specified
by Data
Type

Is used by assemblies to produce this class-level
attribute, instead of the Value (Attribute ID 6) of the
S-Analog Sensor Instances.

95

Get

Active
Instance
Number

UINT

Identifies the object instance that is providing the
Value which is copied into the Active Value for all
input Assemblies and the Alarm/Warning Exception
Details for the S-Device Supervisor object.
→ Behavior section.

Default = 1

96

Get

Number of
Gauges

USINT

Identifies the number of gauge instances present in
the device.

2

99

Get

Subclass

UINT

Identifies a subset of additional class attributes,
services and behaviors.

1

Instance Selector

Assemblies or connections may produce this class-level attribute, instead of the
Value (Attribute ID 6) of the active S-Analog Sensor instance. The S-Analog Sen-
sor class-level attribute Active Instance Number identifies the object instance that is
currently active and providing the Value to the Active Value class-level attribute
which is, in turn, produced by the input assemblies that have Active Value as a
member.

2.3.5 S-Device Supervisor

Object Specific Services

Explanation to Service code
4D

h

2.4 S-Analog Sensor Object

2.4.1 Class Attributes

Active Value

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