PD6-E/-EB Modbus TCP Online Manual

Function codes

The following "function codes" are supported:

Name

Function code

Subfunction

code

Data access (16-bit) Read Holding Registers 03 (03h)
Read Input Register 04 (04h)
Write Single Register 06 (06h)
Write Multiple Registers 16 (10h)
Read/Write Multiple Registers 23 (17h)
Miscellaneous Encapsulated Interface Transport 43 (2Bh) 13 (0Dh)
Read complete object dictionary start 101 (65h) 85 (55h)
Read complete object dictionary next 101 (65h) 170 (AAh)
Read complete array or record start 102 (66h) 85 (55h)
Read complete array or record next 102 (66h) 170 (AAh)
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