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22 Micro Motion
®
Model 2400S Transmitters for DeviceNet
™
Using a DeviceNet Tool
For complete documentation of the Model 2400S DN transmitter’s device profile, including input and
output assemblies, see the manual entitled Micro Motion Model 2400S Transmitters for DeviceNet:
Device Profile.
5.4 Using a DeviceNet tool
Micro Motion supplies an Electronic Data Sheet (EDS) for the Model 2400S transmitter. The EDS
file is named
MMI2400S-MassFlow.eds. The EDS presents the device profile in a format designed to
be read and interpreted by other devices.
DeviceNet tools fall into two basic categories:
• Type A: Tools that use the EDS to build a unique user interface for the specific device
• Type B: Tools that do not use the EDS, and instead rely on the user to supply the
object-instance-attribute information required to interact with the device
5.4.1 Type A tools
If you are using a Type A tool:
1. Use your tool’s standard methods to read or import the supplied EDS into the network
configuration tool (e.g., RSLinx).
2. Use your tool’s standard user interface to configure, view, and manage the transmitter.
3. If you want to perform a function that isn’t available through your tool, see the instructions for
Type B tools.
5.4.2 Type B tools
If you are using a Type B tool, or if you want to access features that are not available through your
tool’s user interface, you must reference the feature by class, instance, and attribute, use the
appropriate service, and supply an attribute value if required. Depending on the attribute, the value
may be a numeric or character value or a code. Values must be entered in the data type appropriate to
the attribute.
For example:
• To configure the mass flow cutoff, you must:
a. Specify the Analog Input Point class.
b. Specify the Mass Flow instance.
c. Specify the cutoff attribute.
d. Use the Set service to set the attribute value to the desired cutoff.
• To read the mass flow process variable, you can use either of the following methods:
- Use the Get service to read the value of the corresponding attribute.
- Use one of the input assemblies that contains the mass flow process variable.
This manual provides class, instance, attribute, data type, and service information for most
configuration parameters and for all procedures. Complete documentation of the Model 2400S DN
transmitter’s device profile is provided in the manual entitled Micro Motion Model 2400S
Transmitters for DeviceNet: Device Profile.