Omron Tateisi Electronics Co.

Tosimi Matsuura

Tadashi Inoue

This programmable controller includes: a programmable console with a keyboard; a user program memory; a retrieval means for retrieving the contents of the user program memory in response to the operation of a certain key provided on the keyboard; a first command extracting means for extracting a series of user commands relating to whether execution conditions for an interlock command are met or not when the interlock command is detected by the action of the retrieval means; a first memory means for storing the interlock command and a series of user commands; a second command extracting means for, during the time between the detection of the interlock command and the detection of a corresponding interlock clear command by the action of the retrieval means, extracting all the specific user commands from the group of user commands interposed between the interlock command and the interlock clear command; a second memory means for storing the specific user commands with their addresses; the interlock command and the series of the user commands stored in the first memory means being outputted to the outside in logical association; and an output processing means for outputting the specific user commands and their addresses stored in the second memory means to the outside.

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Tanabe, Japan

Tosimi Matsuura