06917835 is referenced by 2 patents and cites 16 patents.

A CPU unit 2 has a liquid crystal display screen 10, a plurality of operation keys 12, and the like. Each of expansion units 3 to 8 has a push switch button 14. For example, when an operator pushes the switch button 14-1 of the ID-1 unit 3, information concerning the unit 3 is displayed on the liquid crystal screen 10. Next, the operator operates one of the predetermined operation keys 12 of the CPU unit 2, whereby the display contents of the screen 10 are removed and another piece of information concerning the unit 3 is displayed.

Title
Programmable controller system
Application Number
9/945597
Publication Number
6917835 (B2)
Application Date
September 4, 2001
Publication Date
July 12, 2005
Inventor
Tsuyoshi Kimura
Osaka
JP
Katsunari Koyama
Osaka
JP
Takeshi Oyama
Osaka
JP
Agent
Kilyk & Bowersox P L L C
Assignee
Keyence Corporation
JP
IPC
G05B 019/05
G05B 019/05
G05B 011/01
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