US 2010/0235682 A1Published application

I/o unit and industrial controller

AssigneeOMRON Corporation

InventorsKatsufumi YOSHIDA, Toshiyuki Nakamura

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Abstract

This invention enables setting of a diagnosis algorithm of a safety device to be easily carried out. A slice I/O unit stores a plurality of diagnosis algorithms each corresponding to a different safety device in an ASIC, and stores specifying information for specifying a diagnosis algorithm to use of the plurality of diagnosis algorithms in a register of the ASIC. The slice I/O unit performs diagnosis of a connected safety device using the diagnosis algorithm specified by the specifying information stored in the register of the plurality of diagnosis algorithms. The diagnosis algorithm to use can be selected by selecting a number, and the like, which is preferable as a setting process at a setting tool device can be facilitated and a human error does not occur.

Claims9

Dependent claims

An I/O unit for an industrial controller including a connection terminal for connecting an I/O device as an input device and an output device, and a control unit for inputting/outputting an I/O signal with the I/O device;

the I/O unit comprising:
a storage unit for storing a plurality of diagnosis algorithms each corresponding to a different I/O device;
a specifying information storage unit for storing specifying information for specifying the diagnosis algorithm to use of the plurality of diagnosis algorithms;
a diagnosis unit for performing a diagnosis of the I/O device connected to the connection terminal using the diagnosis algorithm specified by the specifying information stored in the specifying information storage unit of the plurality of diagnosis algorithms;
and
a unit for executing an abnormality process when a diagnosis result of the diagnosis unit is abnormal.

3 more elements

Dependencies are inferred from the claim text.