Hi Folks,
Been working with PLC's for some time within various maintenance roles, and I'm hoping you can recommend a good book or other source, which can help take me up a level. I'm interested in learning more along the lines of system design, answering questions like-
Which PLC to use and...
Hi folks,
When installing a new board in a domestic situation, you have the option of aquiring the Prospective fualt current, and earth loop impedance values by enquiry. Who do you contact to for these details?
Hopefully an easy question for somebody! If you had a sizable Aluminium framework with a small number of 230v lamps attached via plastic clamps, but the supply cables were tied to this framework, would you need to earth bond the framework? Or would an RCD on the supply lines suffice?