AH500 Programming Manual API 0809~ 0811 Symbol: S 1 ： Data source 1 Word/Double word Taking LD& and DLD& for example S 2 ： Data source 2 Word/Double word Explanation: 1. The instruction is used to compare the data in S 1 with that in S 2 . When the comparison result is not 0, the condition of the instruction is met. When the comparison result is 0, the condition of the instruction is not met. 2. Only the instruction DLD ＃ can use the 32-bit counter. 3. The instruction LD ＃ can be connected to the mother line directly. 4. &: Logical AND operation 5. |: Logical OR operation 6. ^: Logical exclusive OR operation Example: 1.
The logical operator AND takes the data in C0 and C1, and performs the logical AND operation on each pair of corresponding bits. When the operation result is not 0, Y1.0 is ON. 2. The logical operator OR takes the data in D200 and D300, and performs the logical OR operation on each pair of corresponding bits. When the operation result is not 0 and X1.0 is ON, Y1.1 is ON. 3. The logical operator XOR takes the data in C201 and C200, and performs the logical exclusive OR operation on each pair of corresponding bits. When the operation result is not 0, or when X1.1 is ON, Y1.2 is ON.
6-210 Instruction code Operand Function D LD＃ S , S 1 2 Contact type of logical operation LD＃ Device X Y M S T C HC D L SM SR E PR K 16# “$” DF S 1 S 2 Pulse instruction 16-bit instruction (5 steps) 32-bit instruction (5 steps) － AH500 AH500 Comparison operation result API No. 16-bit instruction 32-bit instruction ON OFF 0809 LD& DLD& ≠ S &S 0 1 2 = S &S 0 1 2 0810 LD| DLD| ≠ S |S 0 1 2 = S |S 0 1 2 0811 LD^ DLD^ ≠ S ^S 0 1 2 = S ^S 0 1 2