| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a control device which is low-cost, without damaging its easiness of maintenance and friendliness to the environment, with little disassembly work at the disposal. SOLUTION: The control device is equipped with both main body having a background and an I/O module to be freely attached and removed to the backboard. Other characteristic parts equipping the backboard of this device are: a control groove of vertical direction fitted on it, a vertical direction protrusion part at right angels to it, a convex part set at its attachment/removal face of which right-angle fixing position against it is regulated by being fitted into above control groove, and a groove part, set at one side of the convex part, of which right-angle fixing position against it is regulated by being fitted above protrusion part.</p> |
