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Register Map for Process and Operation Type Variables
Signal Tag Register Map
52 HC900 Hybrid Controller Communications User Guide Revision 4
9/03
5A9F 23200
Tagged Signal
#4000
Example
Query: Read Signal Tags 3 and 4 from HC900 at address 1 using Function Code 3 (hex codes).
TCP:
00 03 20 04 00 04
RTU:
01 03 20 04 00 04 CRC CRC
Response: from HC900 where Signal Tag 3 = 100.0 and Signal Tag 4 = 55.32
TCP:
00 03 08 42 C8 00 00 42 5D 47 AE
RTU:
01 03 08 42 C8 00 00 42 5D 47 AE CRC CRC