Chapter 7 - operation, Scope, Operating capabilities – Hardy ANY-WEIGH Bench Scales User Manual
Page 37: Devicenet scale, Explicit message request parameters, Explicit message request parameters -1
Chapter 7 - Operation
7-1
CHAPTER 7 - OPERATION
SCOPE
All information contained in Chapter 7 pertains to the
operation of the ANY-WEIGH Bench Scales. We rec-
ommend that the processes and procedures contained
in this chapter be followed to insure that the module
give the user maximum quality performance. It is very
important that the user be familiar with this chapter
before operating the weigh module.
Operating Capabilities
The ANY-WEIGH series of low profile bench scales
are used in a broad range of industrial or laboratory
applications. Some of these applications include:
•
Filling
•
Grading
•
Check Weighing
•
Proportioning
•
Batching
DeviceNet Scale
Explicit Message
Request
Parameters
The procedures for sending the Explicit Message
Requests are unique to each PLC and the user needs
to refer to their PLC users guide, PLC DeviceNet
Scanner section for instructions. The DeviceNet Scale
needs the following information to respond to an
Explicit Message Request:
•
SERVICE: The DeviceNet Scale can
process the “Get_Attribute_Single”
(14) and “Set_Attribute_Single” (16).
•
CLASS: The Device Net parameter
Class is 15.
•
INSTANCE: The DeviceNet parame-
ter number can be found in the I&O
section of this manual.
•
ATTRIBUTE: The parameter value
attribute number is 1.
•
DATA: (varies)
NOTE:
Data length can vary, be sure to enter the correct
length (size) of data or problems will occur.