From the course: PLC Sequencer Logic
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Instruction (SQL) parameter - Ladder Logic Tutorial
From the course: PLC Sequencer Logic
Instruction (SQL) parameter
- [Instructor] The parameters for the sequencer load instruction are file, source, control, length, and position. There is no mask parameter. It is a word-to-file transfer without a mask. It is used to transfer data from source address into sequencer file on every false-to-true transition of the sequencer load instruction rung, basically loading into a file every time the instruction is true. This sequencer load instruction is an output instruction, so we place it on the right-hand side of the ladder logic.
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