I/O MODULE.

摘要

An I/O module (2) to be connected to a connection portion (29) on a back panel (4) includes a fixing portion (8) holding a printed circuit board that has at the front end thereof a connector portion and an LED display module (6); and a detachable portion (10) holding a terminal plate of a connector structure that couples to the connector portion. The detachable portion (10) is provided with a hinge and a slidable grip, and the fixing portion (8) is provided with a pin. The detachable portion (10) is coupled to the fixing portion (8) by the coupling of hinge and pin. They are separated from each other by pulling the grip.