Plc maintenance support device and plc maintenance support program
AssigneeFanuc Corporation
InventorYutaka SAKAI
Life of this patent
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Abstract
A PLC maintenance support device according to the present invention includes a signal identification tag reader for reading a signal address from a signal identification tag attached to an input and output signal cable of a PLC to identify the signal address of the input and output signal cable, a transmitter for transmitting the signal address identified by the signal identification tag reader to the PLC, a receiver for receiving the on or off state of a signal corresponding to the transmitted signal address from the PLC, and a monitor for displaying the received on or off state of the signal.
Claims4
A PLC (Programmable Logic Controller) maintenance support device comprising:
- a signal identification tag reader for reading a signal address from a signal identification tag attached to an input and output signal cable of a PLC to identify the signal address of the input and output signal cable;
- a transmitter for transmitting the signal address identified by the signal identification tag reader to the PLC;
- a receiver for receiving the on or off state of a signal corresponding to the transmitted signal address from the PLC;
- and
- a monitor for displaying the received on or off state of the signal.
A PLC maintenance support program comprising the steps of:
- reading a signal address from a signal identification tag attached to an input, and output signal cable of a PLC to identify the signal address of the input and output signal cable;
- transmitting the identified signal address to the PLC;
- receiving the on or off state of a signal corresponding to the transmitted signal address from the PLC;
- and
- displaying the received on or of state of the signal.
Dependencies are inferred from the claim text.