Patent ID: 8340787

Claim:
A monitoring and control device for use in a remote monitoring and control system that monitors and controls loads through communications, the device comprising: a display panel for displaying a graphic image on a screen thereof; an operation input unit through which a user carries out input operation; a control unit for performing a load control in accordance with the input operation of the user related to the graphic image displayed on the display panel and for allowing the display panel to display the graphic image in accordance with states of the loads; a communication circuit for transmitting a load control signal; a device housing having a socket located behind the display panel, an external storage medium including a rewritable memory being removably mounted in the socket and the device housing being attached in an attachment hole formed in a wall in a state that the external storage medium is mounted in the socket, wherein the control unit performs a setting operation for the graphic image displayed on the display panel and for the load control in accordance with setting information stored in the external storage medium; and wherein the external storage medium is inserted in the socket through an insertion slot formed in a side portion of the device housing, at least a portion of the insertion slot being received in the attachment hole in a state that the device housing is attached to the wall.