Patent ID: 9557727
Date: 2017-01-31
CPC Classifications: G05B

Claim:
1. A program creation device which is used for editing data of program components of programmable logic controllers that form a programmable logic controller system which enables a plurality of users to simultaneously edit the program components, and writing the edited data of the program components to the programmable logic controllers, the program creation device comprising a program component editing method setter to set a timing for transmitting the data of the program components changed by the editing to other program creation devices in which the data of the program components is being edited, for each of the program components, wherein the program component editing method setter sets, in response to a first command, the timing for transmitting the changed data to a first timing at which the data of the program components is changed, and wherein the program component editing method setter sets, in response to a second command, the timing for transmitting the changed data to a second timing at which the changed data of the program components is written to the programmable logic controllers.