Component mounting system

A component mounting system comprising:

• a plurality of mounting machines which are used for mounting components;
• and
• a portable operation terminal which is wirelessly connectable to the plurality of mounting machines, so as to allow the portable operation terminal to operate one of the mounting machines which has been connected to the portable operation terminal,
• wherein the portable operation terminal comprises:
• a terminal-side operation input unit comprising a display portion and an operation portion which are integrated with each other;
• a processing portion which displays, on the display portion, a screen which allows a worker operating the plurality of mounting machines to select one of the mounting machines to be connected to the portable operation terminal;
• and
• a terminal-side connection processing portion which issues a connection request to the mounting machine selected on the screen and which connects the portable operation terminal to the mounting machine upon reception of an acknowledgement from the mounting machine as a destination of the connection request, and
• wherein each of the plurality of mounting machines comprises:
• an equipment-side connection processing portion which connects the mounting machine to the portable operation terminal in response to the connection request, and
• a notification unit which notifies the worker of the fact that the mounting machine has been connected to the portable operation terminal, directly by at least one of sound and light.