| 摘要 |
PURPOSE:To provide the clock supply method in which clock phase adjustment man-hours are reduced. CONSTITUTION:In the system provided with 0 system and 1 system optoelectric control sections 30, 31, an optical control section 32 generating switching information and sending it, a selection section 33 selecting an output of the optoelectric control section corresponding to the applied switching information and a clock supply section 4 branching the reference clock used in the inside into the 0 system clock and the 1 system clock and supplying the result to each required section, the clock supply section 4 supplies the 0 system clock to the 0 system optoelectric control section 30 and supplies the 1 system clock to the 1 system optoelectric control section 31, and when the supply of the 0 system or 1 system clock is interrupted, the selection section 33 selects the main signal of the 1 system or 0 system supplies the 0 system clock to the 0 system optoelectric control section 30, 31 with the switching information from the optical control section to switch the clock and the master signal simultaneously. |
