Blocks MODBUS TCP

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MODBUS_TCP_R_COIL

Reads one coil register

Asynchronous interface
in	IP	string		IP address of slave device (syntax: "aaa.bbb.ccc.ddd")
in	Port	int		TCP port of slave device (default: 502)
in	UnitID	byte		Device bus address (default: 1)
in	OfsAdr	word		register address (1-9999)
in	Timeout	byte		timeout in seconds
out	Q	bool		readed value

MODBUS_TCP_R_DISCRETE

Read one discrete discrete input register

Asynchronous interface
in	IP	string		IP address of slave device (syntax: "aaa.bbb.ccc.ddd")
in	Port	int		TCP port of slave device (default: 502)
in	UnitID	byte		Device bus address (default: 1)
in	OfsAdr	word		register address (1-9999)
in	Timeout	byte		timeout in seconds
out	Q	bool		readed value

MODBUS_TCP_R_HOLDING

Reads one holding register

Asynchronous interface
in	IP	string		IP address of slave device (syntax: "aaa.bbb.ccc.ddd")
in	Port	int		TCP port of slave device (default: 502)
in	UnitID	byte		Device bus address (default: 1)
in	OfsAdr	word		register address (1-9999)
in	Timeout	byte		timeout in seconds
out	Q	word		readed value

MODBUS_TCP_R_INPUT

Reads one input register

Asynchronous interface
in	IP	string		IP address of slave device (syntax: "aaa.bbb.ccc.ddd")
in	Port	int		TCP port of slave device (default: 502)
in	UnitID	byte		Device bus address (default: 1)
in	OfsAdr	word		register address (1-9999)
in	Timeout	byte		timeout in seconds
out	Q	word		readed value

MODBUS_TCP_W_COIL

Writes value to one coil register

Asynchronous interface
in	IP	string		IP address of slave device (syntax: "aaa.bbb.ccc.ddd")
in	Port	int		TCP port of slave device (default: 502)
in	UnitID	byte		Device bus address (default: 1)
in	OfsAdr	word		register address (1-9999)
in	Timeout	byte		timeout in seconds
in	VAL	bool		value to write

MODBUS_TCP_W_HOLDING

Writes value to one holding register

Asynchronous interface
in	IP	string		IP address of slave device (syntax: "aaa.bbb.ccc.ddd")
in	Port	int		TCP port of slave device (default: 502)
in	UnitID	byte		Device bus address (default: 1)
in	OfsAdr	word		register address (1-9999)
in	Timeout	byte		timeout in seconds
in	VAL	word		value to write