Master device, slave device, error monitoring system, and control method and control program of master device
AssigneeOMRON Corporation
InventorsShigenori SAWADA, Taishi KAWAGUCHI, Yasushi YAMAWAKI
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Abstract
A master device, slave device, error monitoring system, and control method and control program of master device are provided. According to the present invention, in the connection less communication, no matter in operation or not, the generation of the communication errors can be monitored. The master device comprises: an indication sending part, sending an indication enabling a plurality of slave devices to send an error log; an error log receiving part, receiving the error logs; and a storing part, storing the error logs by corresponding to each of the slave devices.
Claims11
A master device, communicating with a plurality of slave devices by a connectionless communication mode, wherein the plurality of slave devices detect whether a communication error exists, and the master device comprising:
- an indication sending part, sending an indication for enabling the plurality of slave devices to send an error information, wherein the error information represents whether the communication error exists;
- an information receiving part, receiving the error information sent from the plurality of slave devices respectively according to the indication sent from the indication sending part;
- and
- a log storing part, enabling the error information received by the information receiving part corresponding to each slave device to be stored into the storing part.
A slave device, detecting whether a communication error exists, and communicating with a master device in a connectionless communication mode, and the slave device comprising:
- an indication receiving part, receiving a sending indication of an error information from the master device, wherein the error information represents whether the communication error exists;
- and
- an information sending part, sending the error information to the master device according to the sending indication received by the indication receiving part.
A control method of a master device, wherein the master device communicates with a plurality of slave devices by a connectionless communication mode, wherein the plurality of slave devices detect whether a communication error exists, and the control method of a master device comprising:
- an indication sending step, sending an indication for enabling the plurality of slave devices to send an error information, wherein the error information represents whether the communication error exists;
- an information receiving step, receiving the error information sent from the plurality of slave devices respectively according to the indication sent in the indication sending step;
- and
- a log storing step, enabling the error information received in the information receiving step corresponding to each slave device to be stored into the storing part.
Dependencies are inferred from the claim text.