L

Words starting with L.

• ladder logicA PLC language drawn like an electrical diagram: rungs of contacts on the left and coils on the right, solved from the top down.
• latchTo keep an output on after the rung that turned it on goes false. A latch stays on until an unlatch turns it off.
• LEQLess than or equal. True when the first value is smaller than or the same as the second.
• LESLess than. True when the first value is smaller than the second.
• LinkA connection between a Labs project and something outside it, such as an MicroController board, a Modbus device, a Web API or an OPC UA server.
• logic classA reusable pattern of rungs, written once and used for many machines of the same kind.