* Question
| What are the precautions for using the circuit block connection instructions in the PLC? |
* Answer
| (1) ORB is a parallel connection command of a series circuit block, and ANB is a series connection command of a parallel circuit block.They have no operating elements and can be reused multiple times.
(2) The ORB instruction is to connect the series circuit block in parallel with the previous circuit, which is equivalent to a vertical line on the right side of the circuit block.The start contact of the parallel circuit block uses the ID or LDI instruction. After completing the internal connection of the circuit block, it is connected in series with the previous circuit with the ANB instruction. (4) ORB and ANB instructions can be reused many times, but when using ORB continuously, it should be limited to 8 times or less. |
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