Chapter 4: devicenet object model, Object model – AMETEK 1990 DN DeviceNet Resolver Interface Module User Manual
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4.1: Object Model
4.1.1: Objects Present in the
DeviceNet Resolver
Object
Optional/
Required
# of
Instances
Identity (1)
Required
1
Message Router (2)
Required
1
DeviceNet (3)
Required
1
Assembly (4)
Required
1
Connection (5)
Required
3
Parameter (15)
Required
20
Position (100)
Required
1
Setpoint (101)
Required
8
RPM (102)
Required
1
4.1.2: Objects That Effect Behavior
Object
Effect on Behavior
Identity (1)
Supports the Reset Service
Message Router (2)
No Effect
DeviceNet (3)
Configures Port Attributes
Assembly #1 (4)
I/O Assembly
Assembly #2 (4)
Config Assembly
Connection (5)
Establishes the number
of connections
Position (100)
Configures the
position offset
Setpoint (101)
Configures the
setpoint positions
RPM (102)
No Effect
4.1.3: Object Interfaces
Object
Interface
Identity (1)
Message Router
Message Router (2)
Explicit Message
Connection Instance
DeviceNet (3)
Message Router
Assembly #1 (4)
I/O Connection or
Message Router
Assembly #2 (4)
Message Router
Connection (5)
Message Router
Position (100)
Message Router
Setpoint (101)
Message Router
RPM (102)
Message Router
4.1.4: Identification of I/O Assembly
Instances
Instance
Number
Type
Name
1
Input
Position Data/Setpoint Status/
RPM Value
2
Input
Setpoint Data
Chapter 4: DeviceNet Object Model