
5-4 Understanding Explicit Messaging
Table 5.C shows the instance numbers to be used for message
configuration:
Instance “1” typically equates to parameter 1. For example, when using
the 1769-SM2 module in Single mode, instance “17409” is for
parameter 1 in the drive.
NOTE: Instance Attribute 1 is used to access the parameter value. For
additional information, refer to the CIP Parameter Object
on page C-4.
Table 5.C Instance Numbers for Message Configuration
Instances (Dec.) Single Mode Multi-Drive Mode
0…16383 Instances 0…1023 in drive/module
(1)
(1)
The module parameters are appended to the drive parameters for this range of instances.
Instances 0…1023 in module
16384…17407 Instances 0…1023 in module Instances 0…1023 in module
17408…18431 Instances 0…1023 in drive Instances 0…1023 in Drive 0
18432…19455 Not supported Instances 0…1023 in Drive 1
19456…20479 Not supported Instances 0…1023 in Drive 2
20480…21503 Not supported Instances 0…1023 in Drive 3
21504…22527 Not supported Instances 0…1023 in Drive 4
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