AH500 Programming Manual The reception registers in the PLC (The external equipment responds with the message.) 6-383 Register Data Description D19 Low 8 bits ‘0’ 16#30 Number of data (counted by the word) D20 Low 8 bits ‘0’ 16#30 D21 Low 8 bits ‘0’ 16#30 D22 Low 8 bits ‘3’ 16#33 D23 Low 8 bits ‘E’ 16#45 LRC CHK 1 LRC CHK (01) is the error checking code.
D24 Low 8 bits ‘A’ 16#41 LRC CHK 0 D25 Low 8 bits CR 16#0D END D26 Low 8 bits LF 16#0A Register Data Description D100 Low 8 bits ‘：’ 16#3A STX D101 Low 8 bits ‘0’ 16#30 ADR 0 D102 Low 8 bits ‘0’ 16#30 ADR 0 D103 Low 8 bits ‘0’ 16#30 CMD 0 D104 Low 8 bits ‘3’ 16#33 CMD 3 D105 Low 8 bits ‘0’ 16#30 Number of data (counted by the byte) D106 Low 8 bits ‘6’ 16#36 D107 Low 8 bits ‘1’ 16#31 Data in the device at address 16#1000 D108 Low 8 bits ‘2’ 16#32 D109 Low 8 bits ‘3’ 16#33 D110 Low 8 bits ‘4’ 16#34 D111 Low 8 bits ‘5’ 16#35 Data in the device at address 16#1001 D112 Low 8 bits ‘6’ 16#36 D113 Low 8 bits ‘7’ 16#37 D114 Low 8 bits ‘8’ 16#38