Industrial automation

Industrial automation

Industry: Automation

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Contributors in Industrial automation

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Industrial automation

Process variable (PV)

Automation; Industrial automation

Any variable of the process, including the manipulated variable and the controlled variable.

Safe state

Automation; Industrial automation

The state to which analogue outputs must be set when the processor is not controlling the output. The user must select a state that is safe for the specific application.

Joule

Automation; Industrial automation

1) The work done by the force of 1 newton acting through a distance of 1 meter. 2) The energy required to transport 1 coulomb between two points having a potential difference of 1 volt.

Normally closed contacts

Automation; Industrial automation

A set of contacts on a relay or switch that is closed when the relay is de-energized or the switch is de-activated; they are open when the relay is energised or the switch is activated.

Circular interpellation

Automation; Industrial automation

A motion control function for generating data points between the starting point and the end point on two axes so that simultaneous motion of the axes is in a circular path (a circle or arc).

Zone-control last-state (ZCL) zones

Automation; Industrial automation

Assigned programme areas that may control the same outputs through separate rungs, at different times. Each ZCL zone is bound and controlled by ZCL instructions. If all ZCL zones are disabled, the ...