Control monitor with four outputs and local display
September 2001System Integration & Control Systems Design
IFM Electronic's new TR8430 control monitor with four switching outputs is able to both monitor and control an application. Two setpoints ensure temperature monitoring within a defined acceptable range, while at the same time, the values outside the window are detected by the remaining two setpoints. When using the TR8430, the temperature of a cooling system can be reliably monitored prior to plant start-up and for emergency-off duty in case critical temperatures occur.
The TR8430 provides a freely programmable hysteresis and window function, and a four-digit, rotatable display for system temperature and parameters. The control monitor is able to connect to standard PT100 or PT1000 temperature sensors.
The modular TS cable sensors can be quickly and easily connected to the control monitor, while the type TT probe sensors in various lengths are connected to the display unit by means of a mounting device. The probe can be directly immersed into the pipe or vessel using various clamp fittings.
Meeting IP 67 requirements, the monitor has a four-digit, seven-segment display, LED switching status indication, an M12 connector and gold-plated contacts. Operating on 18 to 30 V d.c. the monitor is short circuit, reverse polarity and overload protected and is suitable for use in a -40 to 85°C temperature range.
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