| 摘要 |
A system for directing sequential commands to a plurality of device control circuits, each of which is capable of being individually addressed and controlled to perform one of a plurality of modes of energization by the input commands. The control circuits are used to control energization of devices, such as peripheral devices of numerical control machines and may utilize feedback status signals from the devices, in some modes, to regulate the receiving of further input commands. The commands may be each acted upon sequentially or some may be grouped to be acted upon simultaneously.
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