Description
Parameters and specifications:
Measurement principle: Eddy current sensor and Hall element are used.
Number of channels: Dual channels.
Characteristic quantity: 0/4 per channel… 20mA.
Threshold: Two for each channel through the optocoupler.
Measurement variables: speed, zero speed, key phase pulse signal.
Number of teeth: Maximum 255.
Measurement type: Single channel, redundancy measurement, rotation direction, stop detection.
Frequency range: 0… 20kHz.
Power supply voltage: +24 VDC redundancy.
Output voltage linear range: -4… -20V (the supply voltage is -24V).
Response time: 15 (units not specified).
Accuracy (linear error) : It depends on the type of sensor connected, such as ≤1.5% when connecting the sensor PR6422.
Size and weight:
Weight: 1.24kg.
Series:
The MMS6312 is a series of models produced by EPRO specifically for speed and key phase measurement.
Features:
Versatility: Two channels can be used independently or in combination to monitor shaft speed, zero speed, key phase pulse signal, rotation direction and speed difference between two axes.
Connection options: A variety of connection options are available, such as connecting the sensor with a LEMO plug or connecting the sensor with a bare end wire with a screw terminal.
Protection level: CON011 series protection level is IP67, CON021 and CON031 series protection level is IP20.
Limit value monitoring: Provide limit value monitoring function, you can set different alarm conditions to indicate the system status.
Self-check function: It has a self-check function, which can be replaced during operation, and supports redundant power input.
Electrically isolated current output: With electrically isolated current output and RS232/485 port, can be used for field configuration and communication.
Functions:
MMS6312 dual channel speed measurement module is mainly used to monitor the rotation speed of the shaft, and can provide two TTL pulse output and two key trust signal output. These output signals can be used to control other devices or for system monitoring.
The module is suitable for various turbine-machinery, such as steam engine, gas engine, water turbine, compressor, fan, centrifuge, etc., which can improve the use efficiency, operation safety and prolong the service life of the machine.
In addition to speed measurement, it can also be used to monitor the expansion displacement of the shaft, which is widely used in mechanical equipment monitoring, vibration analysis, manufacturing, structural monitoring, energy production equipment, medical equipment and research experiments.
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