SELF-DIAGNOSTIC SYSTEM

SELF-DIAGNOSTIC SYSTEM

PURPOSE:To improve the workability of construction by transmitting a question command to a transmitter when no process value is obtained and deciding the wrong setting when an answer is received. CONSTITUTION:A fact whether the process value is received or not is checked when a certain time passed a...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
1. Verfasser: KAJIURA KOICHI
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC DIGITAL DATA PROCESSING
ELECTRICITY
PHYSICS
SELECTING
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Beschreibung
Zusammenfassung:PURPOSE:To improve the workability of construction by transmitting a question command to a transmitter when no process value is obtained and deciding the wrong setting when an answer is received. CONSTITUTION:A fact whether the process value is received or not is checked when a certain time passed after application of a power supply. If the process value is received, a transmitter 1 is decided transmitting a digital signal. Thus a correct transmitter connection state is decided. If no process value is received, a question command is transmitted to the transmitter 1 from a converter 2. Then an answer command is transmitted as long as the transmitter 1 has no trouble. Thus the converter 2 decides whether an answer is returned or not. If not, it is considered that at least a command transmitting/receiving function has a trouble. Then the status is set to show the power supply self-diagnostic abnormality.