7.3 Communication Instruction7-197.3 Communication Instruction7.3.1 General-purpose Communication Send Instruction Leading EdgeExecution (PGPSEND)Data transmission is performed between the CPU unit and external devices using the built-inMCU, built-in ET-LAN, and the communication port of the expansion MUC unit or expansionET-LAN unit (MCU: COM port, ET-LAN: connection). Instruction formatU8 DT0n DR0PGPSEND.USiDT101S Operation unit (i)Operationunit bit UC SC US SS UL SL SF DF STRi ● ● List of operandsOperand DescriptionS Specify the starting address of the source data area.n Specify the number of send data bytes. (It is always 16-bit data regardless of the specification ofthe operation unit i.)D Specify the device area of the local unit storing the processing result (1 word). [It is always 1-word(16-bit) data regardless of the specification of the operation unit i.] 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 ● ● ● ● ● ● ●n ● ● ● ● ● ● ● ● ● ●D ● ● ● ● ● ● ● Outline of operation• The data of the number of send data bytes specified by n is sent to the communication unitor communication port specified with UNITSEL instruction from the starting address (wordaddress) in the send data area specified by S.