| 摘要 |
<p>PURPOSE: To carry out fail safe in case of node failures by a simple constitution. CONSTITUTION: An accessory 31 is connected to a node ND 4. A relay 34 acting as drive interrupting means is connected to the power supply line 33 of the accessory 31. A node ND 6 which is connected to the node ND 4 via a multiplex transmitting line 1, is equipped with a CPU 14. When the failure of the node ND 4 is detected by the node ND 6, The relay 34 is opened, and power supply to the accessory 31 is thereby interrupted.</p> |
