Inkcazelo emfutshane:

1. Isixhobo sokulawula uqhagamshelwano lwetanki: xa umzimba wetanki ungena, isigqubuthelo setanki siyakwabelwa ngokufanelekileyo. Ukuba akukho itanki, akusayi kubakho sivalo.

I-2, uyilo lwepaneli yokusebenza ye-PLC isengqiqweni kwaye ilula, kulula ukuyilungisa nokugcina;