SEQUENCE CONTROLLER

PURPOSE:To attain the extension of the operating unit easily without giving external disturbance to the sequence control, by providing a relay terminal board having changeover switched for by-passing between a control panel installed already and an extended control panel. CONSTITUTION:In the connect...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	KATOU TAKAO
Format:	Patent
Sprache:	eng
Schlagworte:	CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING FUNCTIONAL ELEMENTS OF SUCH SYSTEMS MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PHYSICS REGULATING
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Beschreibung
Zusammenfassung:	PURPOSE:To attain the extension of the operating unit easily without giving external disturbance to the sequence control, by providing a relay terminal board having changeover switched for by-passing between a control panel installed already and an extended control panel. CONSTITUTION:In the connection among the control panel 10 installed already, the relay terminal board 30 and the extended control panel 20, terminals A, B, C, D of the control panel 10 installed already are connected to terminals A, B, C, D of the relay terminal board 30 correspondingly and terminals E, F, G, H of the relay terminal board 30 are connected to the terminals A, B, C, D of the extended control panel 20 correspondingly. In switching a keyed moving contact 310 of the 1st switch circuit 31 from the terminal A to the terminals B, F, the control panel 10 installed already and the extended control panel 20 are disconnected. Thus, even if the extended control panel 20 is in operation, no external disturbance is given to signals of the control panel 10 installed already.