Rockwell Automation Publication 1766-UM001O-EN-P - September 2021 227
Appendix F MicroLogix 1400 Distributed Network Protocol
For a 32-bit Counter Config File, Class Level of Index 10 is 1(B33:0/0 and B33:0/
1), Class Level of Index 11 is 2(B33:1/0 and B33:1/1), Class Level of Index 12 is
3(B33:2/0 and B33:2/1), and Class Level of other Indexes are 0.
DNP3 Frozen Counter Object
The supported object group and variations are listed in this section. The
controller responds with the default group and variation when the DNP3
Master requests to read the object with all variations.
Frozen Counter Static Objects:
• g21v0 – Frozen Counter – All Variations
• g21v1 – Frozen Counter – 32-bit with flag
• g21v2 – Frozen Counter – 16 bit with flag
• g21v5 – Frozen Counter – 32-bit with flag and time
• g21v6 – Frozen Counter – 16-bit with flag and time
• g21v9 – Frozen Counter – 32-bit without flag (default)
• g21v10 – Frozen Counter – 16-bit without flag (default)
Frozen Change Event Objects:
• g23v0 – Frozen Counter Event – All Variations
• g23v1 – Frozen Counter Event – 32-bit with flag (default)
• g23v2 – Frozen Counter Event – 16-bit with flag (default)
• g23v5 – Frozen Counter Event – 32-bit with flag and time
• g23v6 – Frozen Counter Event – 16-bit with flag and time
Related Object File Number:
• 16-bit Counter Object File Number
• 32-bit Counter Object File Number
Related Configuration File Number:
• 16-bit Frozen Counter Config File Number
• 32-bit Frozen Counter Config File Number
To generate a Frozen Counter Object from the DNP3 Subsystem in the
controller, you should configure Counter Object File Number in the DNP3
Slave Application Layer Configuration file.
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