Delta AH500 — 6.19.2 Explanation of Communication Instructions

Chapter 6 Applied Instruction The PLC sends the data. The PLC receives the data. Additional remark: 1. Please refer to the additional remark on the instruction RS for more information about the related flags and the special registers. 2. The instructions FWD, REV, STOP, RDST, and RSTEF can be used several times in the program, but one instruction is executed at a time. 3. If the value in S 1 exceeds the range, the instruction is not executed, SM0 is ON, and the error code in SR0 is 16#2003. 6-403 Data Description ‘0’ 16#30 ADR 1 ADR (10) is the station address of the AC motor drive. ‘1’ 16#31 ADR 0 ‘1’ 16#31 CMD 1 CMD (10) is the command code.

‘0’ 16#30 CMD 0 ‘2’ 16#32 Data address ‘0’ 16#30 ‘0’ 16#30 ‘0’ 16#30 ‘0’ 16#30 Data ‘0’ 16#30 ‘0’ 16#30 ‘2’ 16#32 ‘0’ 16#30 Number of bytes ‘4’ 16#34 ‘0’ 16#30 Data 1 16#12: The AC motor drive runs clockwise. ‘0’ 16#30 ‘1’ 16#31 ‘2’ 16#32 ‘0’ 16#30 Data 2 Operation frequency=K500Hz 16#01F4 ‘1’ 16#31 ‘F’ 16#46 ‘4’ 16#34 ‘C’ 16#43 LRC CHK 1 LRC CHK (01) is the error checking code. ‘2’ 16#32 LRC CHK 0 Data Description ‘0’ 16#30 ADR 1 ADR (10) is the station address of the AC motor drive. ‘1’ 16#31 ADR 0 ‘1’ 16#31 CMD 1 CMD (10) is the command code.

‘0’ 16#30 CMD 0 ‘2’ 16#32 Data address ‘0’ 16#30 ‘0’ 16#30 ‘0’ 16#30 ‘0’ 16#30 Number of Registers ‘0’ 16#30 ‘0’ 16#30 ‘2’ 16#32 ‘C’ 16#43 LRC CHK 1 ‘D’ 16#44 LRC CHK 0