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Industrial automation
Industry: Automation
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Industrial automation
Process n (software)
Automation; Industrial automation
A programme or part of a program; a coherent sequence of steps undertaken by a programme (e.g., a data transfer operation).
Error (deviation)
Automation; Industrial automation
In any control loop, the difference between the set-point signal and the feedback signal. An error is necessary before a correction can be made in the controlled system. In a positioning loop, the ...
Parallel output addressing
Automation; Industrial automation
Two output modules having the same address. Each output on the one module is controlled by the same output image table bit as the corresponding (parallel) output on the other module.
Chassis
Automation; Industrial automation
A hardware assembly that houses devices such as I/O modules, adapter modules, processor modules, and power supplies.
Longitudinal redundancy cheque (LRC)
Automation; Industrial automation
An error-checking technique based on an accumulated exclusive-OR of transmitted characters. An LRC character is accumulated at both the sending and receiving stations (similar to CRC).
Programme storage
Automation; Industrial automation
The portion of memory reserved for saving programs, routines, and subroutines.
Sink output
Automation; Industrial automation
1) An output that, when turned on, supplies a negative dc current to its load. 2) Contrasted with source output