| 摘要 |
<p>PROBLEM TO BE SOLVED: To interlock an external device 300 of an illumination control device 100 with the illumination control device 100 with a small number of connecting terminals.SOLUTION: An illumination control device 100 includes: a control circuit unit 150 having a control terminal 151, an input terminal 151, and an output terminal 153; and a contact input/output port unit 170 connected to the control terminal 151, the input terminal 152, and the output terminal 153, and electrically connected to a contact of an external device 300 via an electrical wire. By switching an input and an output of the contact input/output port unit according to the state of the contact to the external device 300, the external device 300 can be interlocked using a small number of terminals.</p> |
