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RBE2-8 User Manual
ADVANCED MICRO CONTROLS INC.
42
5.3 Add the Message Instructions to your Ladder Logic (continued)
8) Double click in the
Service
field and select “Read Assembly” for a Message Instruction that is being
used to read data from the RBE2-8, or “Write Assemble” for a Message Instruction that is being used
to send data to the RBE2-8, and press Enter.
9) For
Read
operations, the
Service Code
field will change to “E” (hex). For
Write
operations, the
Ser-
vice Code
field will change to “10” (hex). For both read and write operations, the
Class
field will
change to “4” (hex), and the
Attribute
field will change to “3” (hex).
10) For Read operations, enter a value of 100 decimal (64 hex) in the
Instance
field.
For Write operations, enter a value of 150 decimal (96 hex) in the
Instance
field.
The figure below show a typical configuration for Message Instructions being used to read data from the
RBE2-8. Please note that the Data Table Address (Receive) field may be different in your application.
Figure T5.3 Read Message Instruction Setup Screen
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