Application examples
12.1 Examples of MODBUS communication
PAC RS485
76 Manual, 02/2008, A5E02091800B-01
Reading a parameter
Table 12-3 Requirement
Address FC From register Number of registers to be read CRC
01 04 C3 51 00 10 9C 53
Explanation:
From offset 50001:
connection type
Read 16 registers
Table 12-4 Response - confirmation of the slave
Address FC Number of read bytes Bytes to be read CRC
01 04 32 00 00 00 00
00 00 00 00
00 00 01 90
00 00 01 90
00 00 00 00
00 00 00 05
00 00 00 05
00 00 00 00
00 6D
Execute command: Switch to low tariff
Table 12-5 Requirement
Address FC Register Content of the register CRC
01 06 EA 66 00 01 9C 0D
Explanation:
From offset 60006:
Switch tariff
Table 12-6 Response - confirmation of the slave
Address FC Register Content of the register CRC
01 06 EA 66 00 01 9C 0D
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