| 摘要 |
[Object] To provide a device and a method that can carry out maintenance, such as check and replacement of sensors in a plant and the like, without isolation of a system even while a plant is operated. [Solution] A plant measurement control device, wherein a measurement signal of each on-site sensor provided at every operation terminal in a plant is transmitted to a central operation room and operation of the operation terminals is performed from the central operation room, the on-site sensor 1 including a self-diagnosis means for diagnosing a function of the on-site sensor, a wireless LAN communication means 13 for transmitting a detection signal of the on-site sensor through a wireless LAN, and a lasting electric power source 11 for supplying each of the means with electricity. |
