| 摘要 |
PROBLEM TO BE SOLVED: To provide programmable display capable of remotely viewing display content with a configuration for appropriately keeping a security level to the display content.SOLUTION: A programmable display connected to a control device includes: user management means for identifying a user who performs access to the programmable display; generation means for generating an interface screen including information from a control device in accordance with an authority given to the user identified by the user management means; a display part for outputting the interface screen; and connection management means for establishing connection to external device on the basis of the identification result of the user by the user management means in response to the access request of the user from the external device, and for transmitting the interface screen to the external device whose connection has been established. The user management means blocks simultaneous access from a plurality of users given mutually different authorities to the programmable display.SELECTED DRAWING: Figure 7 |
