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The M300 Slipswitch is a simple inductive shaft speed monitoring device. The self-contained unit has a single set point, which signals when the shaft speed has dropped by 20% of normal running speed. It is used for detecting dangerous slow downs and underspeed on conveyors, bucket elevators, airlocks, mixers, fans, grinders and many other machines. An inductive sensing device located in the nose of the M300 enclosure will detect a metal target. This target can be an existing bolt head or device attached to a shaft. During installation the M300 is set to the normal machine shaft RPM by calibrating with the magnet provided. The internal microprocessor sets the underspeed output to operate at exactly 20% below normal machine shaft RPM. This allows the M300 output to be used for automatic shutdown of machinery during dangerous underspeed or belt slip conditions.
- Microprocessor controlled underspeed monitor
- Signals underspeed for bucket elevators, conveyors and all rotating machinery
- Inductive proximity sensor in 30mm diameter housing, which detects rotating metal target
- Single set-point ~ 20% underspeed 2 wire & 5 wire versions available
- Non-contacting & failsafe
- Compatible with the Whirligig speed sensor mount
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Monitors
X400 Elite Alarmswitch
The X400 Elite is a microprocessor controlled low cost alarm indicator panel for use with level indicators, hazard controls and limit switch sensors. The X400 accepts signals from different sources in up to 8 zones, and is able to cause alarm and shutdown of the machine when an alarm condition has been detected. Alarm and status LEDs on the lid of the X400 provide quick location of alarm conditions. Alarm muting can be performed at the panel or by an optional remote push button to silence external alarms. If the system is muted, it will automatically reactivate when a new alarm is triggered. Testing can also be activated at the panel, providing full system verification.
FAQ's
In the product documentation, there is a reference to "load". What is it and how big does it have to be?
Load is not a resistor, it is referring to any item that pulls current (PLC input, ice cube relay, etc.) and draws less than 200 mA.
When checking the 2 wire M300 with a voltage meter, it is always showing full voltage no matter if the shaft is turning or not. Why is the sensor not changing states?
The sensor will not function correctly until a load is connected to it, maximum current through the sensor is 200 mA..
How many wires are needed to run the 5 wire version of the M300?
Three are needed to run the sensor, talk to our technical staff for more details.
How do you program the M300?
Be sure to remove any seal tight, this will allow you to see the LED lights and the calibration point on the sensor. To calibrate the sensor, please refer to the operation manual.
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