AH500 Programming Manual The communication command which the AH500 series PLC sends: The communication command which the AH500 series PLC receives: 3. After the receiving of the data from the ES2 series PLC is complete, SM100 is ON if no error occurs. 4. The data which is received from the ES2 series PLC is stored in the device specified by users. After the receiving of the data is complete, the AH500 series PLC automatically checks whether the data which is received is correct. If an error occurs, SM102 is ON. 5. When the ES2 series PLC receives the communication command, 16#03E4 and 16#04E6 are written into D0 and D1.
6-419 Data Description ‘0’ 16#30 ADR 1 ADR (10) is the station address of the slave. ‘0’ 16#30 ADR 0 ‘1’ 16#31 CMD 1 CMD (10) is the command code. ‘0’ 16#30 CMD 0 1’ 16#31 Initial data address ‘0’ 16#30 ‘0’ 16#30 ‘0’ 16#30 ‘0’ 16#30 Number of data (counted by the word) ‘0’ 16#30 ‘0’ 16#30 ‘2’ 16#32 ‘0’ 16#30 Number of data (counted by the byte) ‘4’ 16#34 ‘0’ 16#30 Data (byte 1) ‘E’ 16#45 Data (byte 2) ‘3’ 16#33 Data (byte 3) ‘4’ 16#34 Data (byte 4) ‘0’ 16#30 Data (byte 5) ‘4’ 16#34 Data (byte 6) ‘E’ 16#45 Data (byte 7) ‘6’ 16#36 Data (byte 8) ‘A’ 16#41 LRC CHK 1 LRC CHK (01) is the error checking code.
‘E’ 16#45 LRC CHK 0 Data Description ‘0’ 16#30 ADR 1 ADR (10) is the station address of the slave. ‘0’ 16#30 ADR 0 ‘1’ 16#31 CMD 1 CMD (10) is the command code. ‘0’ 16#30 CMD 0 1’ 16#31 Initial data address ‘0’ 16#30 ‘0’ 16#30 ‘0’ 16#30 ‘0’ 16#30 Number of data (counted by the word) ‘0’ 16#30 ‘0’ 16#30 ‘2’ 16#32 ‘D’ 16#44 LRC CHK 1 LRC CHK (01) is the error checking code. ‘E’ 16#45 LRC CHK 0