modbus rtu 如何实现 04 05 06等功能

motohua

经过几天的摸索 发现 HA的modbus 的探测器用03号功能码 二进制探测器用01号功能码，可是我的一个温度传感器偏偏是 04号的 有没有办法 自己定义功能码呢，看说明有这个，看不懂也，不知道怎么用，那位高手能解答下 谢谢SERVICES

Service

Description

write_registerWrite register. Requires hub, unit, address and value fields. value can be either single value or an arrayService Data Attributes

Attribute

Description

hubHub name (defaults to ‘default’ when omitted)
unitSlave address (1-255, mostly 255 if you talk to Modbus via TCP)
addressAddress of the Register (e.g., 138)
valueA single value or an array of 16-bit values. Single value will call modbus function code 6. Array will call modbus function code 16. Array might need reverse ordering. E.g., to set 0x0004 you might need to set [4,0]Log warning (v1.0.8 and onwards)