
(1)OR(或指令) 用于单个常开触点的并联,实现逻辑“或”运算。




(2)ORI(或非指令) 用于单个常闭触点的并联,实现逻辑“或非”运算。
(3)ORP 上升沿检测并联连接指令。
(4)ORF 下降沿检测并联连接指令触点并联指令的使用说明:
1)OR、ORI、ORP、ORF指令都是指单个触点的并联,并联触点的左端接到LD、LDI、LDP或LPF处,右端与前一条指令对应触点的右端相连。触点并联指令连续使用的次数不限;
2)OR、ORI、ORP、ORF指令的目标元件为X、Y、M、T、C、S。
块操作指令(ORB / ANB)
(1)ORB(块或指令) 用于两个或两个以上的触点串联连接的电路之间的并联。
ORB指令的使用说明:
1)几个串联电路块并联连接时,每个串联电路块开始时应该用LD或LDI指令;
2)有多个电路块并联回路,如对每个电路块使用ORB指令,则并联的电路块数量没有限制;
3)ORB指令也可以连续使用,但这种程序写法不推荐使用,LD或LDI指令的使用次数不得超过8次,也就是ORB只能连续使用8次以下。
(2)ANB(块与指令) 用于两个或两个以上触点并联连接的电路之间的串联。
ANB指令的使用说明:1)并联电路块串联连接时,并联电路块的开始均用LD或LDI指令;
2)多个并联回路块连接按顺序和前面的回路串联时,ANB指令的使用次数没有限制。也可连续使用ANB,但与ORB一样,使用次数在8次以下。
1) OR (or instruction) is used for parallel connection of single normally open contact to realize logical OR operation.
(2) ORI (or non instruction) is used for parallel connection of single normally closed contact to realize logical "OR NOT" operation.
(3) The rising edge of ORP detects the parallel connection command.
(4) Instructions for use of ORF falling edge detection parallel connection command contact parallel connection command:
1) OR, ORI, ORP, ORF commands refer to the parallel connection of a single contact. The left end of the parallel contact is connected to LD, LDI, LDP or LPF, and the right end is connected to the right end of the corresponding contact of the previous command. The number of times that the contact parallel connection command can be used continuously is unlimited;
2) The target components of OR, ORI, ORP and ORF instructions are X, Y, M, T, C and S.
Block Operation Instructions (ORB/ANB)
(1) ORB (block or instruction) is used for parallel connection between circuits with two or more contacts connected in series.
Instructions for ORB instruction:
1) When several series circuit blocks are connected in parallel, LD or LDI command should be used at the beginning of each series circuit block;
2) There are multiple circuit blocks in parallel circuit. If ORB instruction is used for each circuit block, there is no limit to the number of circuit blocks in parallel;
3) The ORB instruction can also be used continuously, but this programming method is not recommended. The LD or LDI instruction should not be used more than 8 times, that is, the ORB can only be used less than 8 times continuously.
(2) ANB (block and instruction) is used for series connection between circuits with two or more contacts connected in parallel.
Instructions for using the ANB command: 1) When parallel circuit blocks are connected in series, LD or LDI commands are used at the beginning of parallel circuit blocks;
2) When multiple parallel circuit blocks are connected in series with the previous circuit in sequence, there is no limit to the number of times the ANB command can be used. ANB can also be used continuously, but like ORB, it can be used less than 8 times.
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