EP3751-0160

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The EP3751-0160 digital input module supports the EtherCAT protocol, features a MEMS 3-axis accelerometer with a measuring range of A~2 to A~8 g, a 20-bit resolution, and operates on a nominal voltage of 24 V DC. Part of the EP Digital Input Modules series by Beckhoff, it boasts IP65/66/67 protection.

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Product Description:

Produced by Beckhoff, the EP3751-0160 3-axis accelerometer with ultra-low noise is a one-channel EtherCAT box. This accelerometer supports three measuring ranges of +/2 g, +/-4 g, and +/-8 g. The product depicts a sampling frequency of 4 kHz and a refresh rate of 20 bits. This device is primarily deployed to monitor bridges and buildings and in robotics. The units built-in sensor is ideal for applications that demand monitoring of low frequencies with minimum noise. Its EtherCAT connection supports delay-free transmission followed by the measurement system evaluation. This accelerometer also supports the transmission of the sensor data as unprocessed or filtered raw values.

The products housing incorporates nickel-plated brass metal parts and gold-plated CuZn contacts. The device tends to malfunction with dirty connectors. The units IP 67 protection class is ensured only with properly connected connectors and cables. Its M8 plug connectors must be screwed tightly with a tightening torque of 0.4 Nm using a torque wrench. This accelerometers connectors for supply voltages and EtherCAT connections are black and green colored and must not be interchanged. The product utilizes four wires to transmit the signals. It is required to use only category 5 shielded EtherCAT cables in compliance with EN 50173 specifications for connection.

This accelerometer-associated EtherCAT box uses the input for the control voltage and peripheral voltage. This product has no compatibility with telecommunication networks. The device supports integration into a TwinCAT project. This units functionality can be checked with a self-test. Its housing has two M3 mounting holes with a diameter of 3.5 mm. This 3-axis accelerometer encompasses a distributed clock function.

Approvals/markings
CE, UL
Bus Interface
2 x M8 socket, 4-pin, a-coded, shielded
Input Connections
internal sensors
Measurement Error/uncertainty
< A~8% (user-calibration possible for higher accuracy)
Measuring Range
A~2 to A~8 g
Noise
typ. < 25 ug/A^sHz at A~2 g
Nominal Voltage
24 V DC (-15%/+20%)
Number Of Inputs
1 x 3 axis acceleration
Operating Temperature
-25AC to +60AC
Protection Rating
IP65/66/67 (EN 60529 compliant)
Protocol
EtherCAT
Resolution
20 bit (including sign)
Sampling Rate
4 Hz to 4 kHz
Sensors
MEMS 3-axis accelerometer
Storage Temperature
-40AC to +85AC

Frequently Asked Questions about EP3751-0160:

Q: What sensors does the EP3751-0160 accelerometer have?

A: The EP3751-0160 accelerometer has MEMS sensors.

Q: What is the measuring range of the EP3751-0160 accelerometer?

A: The measuring range of the EP3751-0160 accelerometer is 2 g to 8 g.

Q: What is the sampling rate of the EP3751-0160 accelerometer?

A: The sampling rate of the EP3751-0160 accelerometer is 4 Hz to 4 kHz.

Q: What special features does the EP3751-0160 accelerometer have?

A: The EP3751-0160 accelerometer comprises several features such as temperature compensation and very low noise.

Q: How can the EP3751-0160 accelerometer be connected?

A: The EP3751-0160 accelerometer can be connected using two A-coded, shielded, and four-pin M8 sockets.


Internal Product Review

  • ‘‘The EP3751-0160 accelerometer has a durable polyamide housing. It eliminates the need for a coupler box to connect to an Ethernet network. While the accelerometer tends to be priced on the higher side, its compact size and variable installation position make it suitable for tight spaces. ’’

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