| 摘要 |
<p>PURPOSE:To provide a data logger by which a logging can be exactly operated without missing data from a plant. CONSTITUTION:This device is equipped with a data receiving means which transmits a hold signal, receives accumulated data, and transmits a reset signal at a computer side. And also, the device is equipped with a selecting operation means which changes a memory to be used according to the presence or absence of the hold signal (ST11-ST13), and a reset means which transfers the content of a memory M1 to a memory M0 when the reset signal is an ON state, and zero-resets the content of the memory M1 (ST14-15) at a controller side.</p> |
