modbus Namespace Reference

Classes
class	Address

Variables
int	Memory_Unknown = -1
	Memory type for invalid address.
int	Memory_0x = 0
	Memory type for coils.
int	Memory_1x = 1
	Memory type for input discretes.
int	Memory_3x = 3
	Memory type for input registers.
int	Memory_4x = 4
	Memory type for iholding registers.
int	Notation_Default = 0
	Default notation which is equal to Modbus notation.
int	Notation_Modbus = 1
	Standard Modbus address notation like 000001, 100001, 300001, 400001.
int	Notation_IEC61131 = 2
	IEC-61131 address notation like %Q0, %I0, %IW0, %MW0.
int	Notation_IEC61131Hex = 3
	IEC-61131 Hex address notation like %Q0000h, %I0000h, %IW0000h, %MW0000h.
dict	MemoryTypeSet = { Memory_0x, Memory_1x, Memory_3x, Memory_4x }
	Python set that contains supported Modbus Address types.
str	sIEC61131Prefix0x = "%Q"
	IEC-61131 address notation prefix for coils.
str	sIEC61131Prefix1x = "%I"
	IEC-61131 address notation prefix for input discretes.
str	sIEC61131Prefix3x = "%IW"
	IEC-61131 address notation prefix for input registers.
str	sIEC61131Prefix4x = "%MW"
	IEC-61131 address notation prefix for holding registers.
str	cIEC61131SuffixHex = 'h'
	Suffix for IEC-61131 Hex address notation.
dict	IEC61131PrefixMap
	Python set that contains supported Modbus address IEC61131 prefixes.

Detailed Description

@package modbus
Module to work with Modbus protocol.
 
Includes class Address to work with modbus address.

Variable Documentation

IEC61131PrefixMap

dict modbus.IEC61131PrefixMap

Initial value:

=  {
                Memory_0x: sIEC61131Prefix0x,
                Memory_1x: sIEC61131Prefix1x,
                Memory_3x: sIEC61131Prefix3x,
                Memory_4x: sIEC61131Prefix4x,
            }

Python set that contains supported Modbus address IEC61131 prefixes.