HTTP Client Function5-245.3.3 Executing Transfer with InstructionsSetting and requesting transfer with instructions List of executed instructionsInstruction ApplicationHTTPcREQ Requests transfer.HTTPcCTL Controls transfer.5.3.3.1 Transfer Request (HTTPcREQ)• Requests the transfer of HTTP client.• CY (SR9) and SD29 are cleared to 0 when this instruction is executed.(Set when an Ethernet cable is disconnected or Ethernet is initialized.)• Check if "X68: HTTP client preparation done" is ON before executing the instruction.• It is necessary to specify the transfer settings before executing the instruction using 5.3.2.2Transfer Settings (HTTPcSET) or 5.3.1.2 to 5.3.1.4 HTTP Transfer Settings with the toolsoftware. Instruction formatU0SHTTPcREQR0 X68 Operation unit (i)• There is no operation unit. List of operandsOperand DescriptionS Specify the device address storing the transfer number (0-15) or a constant. Available Devices (●: Available)Operand16-bit device 32-bitdevice IntegerRealnum-berString IndexmodifierWX WY WR WL WS SD DT LD UM WI WO TSCSTECE IX K U H SF DF " "S ● ● ● ● ● ● ● ● ● Processing• Turns ON the transfer request relay of the transfer number specified by [S].• It can be executed when the HTTP client preparation done (X68) is ON. If it is OFF whenexecuting the instruction, an operation error occurs.• It is executable when the Ethernet cable disconnection (X60) is OFF. If it is ON whenexecuting the instruction, an error is set to CY flag and it becomes no operation.• It is executable when the Ethernet initialization active (X61) is OFF. If it is ON whenexecuting the instruction, an error is set to CY flag and it becomes no operation.
