Plant protective instrumentation equipment
First Claim
1. A plant protection instrumentation equipment, comprising:
- a sensor that detects a process signal indicating a quantity of a state of a plant;
a plurality of A/D converters, each of the AID converters converts the process signal into a digital signal and outputs a value corresponding to the digital signal;
a plurality of instrumentation circuits, each of the instrumentation circuits receives the value corresponding to the process signal and performs a logical operation using the value; and
a judgment circuit that judges the state of the plant based on outputs of the plurality of instrumentation circuits and outputs an operation signal based on the process signal, wherein each of the instrumentation circuits comprises a logical integrated circuit including a set value comparator that compares the value corresponding to the process signal with a predetermined set value, and outputs a signal when the value corresponding to the process signal exceeds the set value.
1 Assignment
0 Petitions
Accused Products
Abstract
A plant protection instrumentation equipment, comprises, a sensor that detects a process signal indicating a quantity of a state of a plant, a plurality of A/D converters, each of the A/D converters converts the process signal into a digital signal and outputs a value corresponding to the digital signal, a plurality of instrumentation circuits, each of the instrumentation circuits receives the value corresponding to the process signal and performs a logical operation using the value, and a judgment circuit that judges the state of the plant based on outputs of the plurality of instrumentation circuits and outputs an operation signal based on the process signal, wherein each of the instrumentation circuits comprises a logical integrated circuit including a set value comparator that compares the value corresponding to the process signal with a predetermined set value, and outputs a signal when the value corresponding to the process signal exceeds the set value.
29 Citations
20 Claims
-
1. A plant protection instrumentation equipment, comprising:
-
a sensor that detects a process signal indicating a quantity of a state of a plant;
a plurality of A/D converters, each of the AID converters converts the process signal into a digital signal and outputs a value corresponding to the digital signal;
a plurality of instrumentation circuits, each of the instrumentation circuits receives the value corresponding to the process signal and performs a logical operation using the value; and
a judgment circuit that judges the state of the plant based on outputs of the plurality of instrumentation circuits and outputs an operation signal based on the process signal, wherein each of the instrumentation circuits comprises a logical integrated circuit including a set value comparator that compares the value corresponding to the process signal with a predetermined set value, and outputs a signal when the value corresponding to the process signal exceeds the set value. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
-
-
12. A plant protection instrumentation equipment, comprising:
-
a sensor that detects a process signal indicating a quantity of a state of a plant;
a plurality of A/D converters, each of the A/D converters converts the process signal into a digital signal and outputs a value corresponding to the digital signal;
first to third instrumentation circuits, each of the instrumentation circuits receives the value corresponding to the process signal and performs a logical operation using the value; and
a judgment circuit that judges the state of the plant based on outputs of the first to third instrumentation circuits and outputs an operation signal based on the process signal, wherein each of the instrumentation circuits comprises a logical integrated circuit including a set value comparator that compares the value corresponding to the process signal with a predetermined set value, and outputs a signal when the value corresponding to the process signal exceeds the set value, and wherein at least one logical integrated circuit of the first instrumentation circuit is different in at least one design factor from at least one logical integrated circuit of either of the second and third instrumentation circuits.
-
-
13. A plant protective instrumentation equipment, comprising:
-
a radiation detector that outputs an analog signal corresponding to radiation dosage detected in a plant;
a radiation monitoring device that monitors behavior of the radiation dosage based on the signal outputted from the radiation detector, comprising;
an A/D converter that converts the analog signal outputted from the radiation detector into a digital signal; and
a first radiation signal processing collective circuit, comprising;
a plurality of radiation signal processing circuits, each of the radiation signal processing circuits calculates radiation dosage based on the digital signal and outputs a calculated result including a calculated radiation dosage; and
an output extraction circuit that outputs a signal based on the calculation results outputted from the radiation signal processing circuits based on a predetermined extraction rule;
wherein each of the first radiation signal processing circuits comprises a logical integrated circuit having wiring that differs at least in part from at least one other radiation signal processing circuit. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
-
Specification