Response Time Monitor
Model 7044
Tyne Engineering’s Response Time Monitor can be used for critical or safety-related actuator response monitoring or as a delay-on timer. An example application is for testing the response time of the vent panel opening in the Power House Emergency Venting System in Nuclear Power Plants.
- 6 individual channels.
- Mature hardware gate logic design, involves no programmable devices, and no software.
- Each of 6 response time monitors are displayed in numerical form. Each Channel has numerical display for the elapsed time and status LED.
- Redundant power supply with status indicator.
- Alarm time can be set by BCD switches.
Tyne’s Response Time Monitor is designed to measure the actuator response time from ‘Start’ signal to ‘Feed back’. It also provides an alarm when the response time is over the set limit.
The circuit is designed with a hardware logic integrated circuit. No software is used. The display comprises four 7-segment LEDs to display from 0.01s to 99.99s. The setting is established using BCD switches with displayed numbers. Once the unit detects a Start pulse, it starts to count until the Stop pulse is received. The count is compared to the setting of a digital comparator. Once the count has exceeded the setting, the alarm trips and sends the output to the terminals.
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