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EL3124-0090

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The EL3124-0090 is an EtherCAT Terminal with four differential inputs and a current signal range of 4 to 20 mA. Manufactured by Beckhoff as part of the EL EtherCAT Terminal Series, the terminal integrates distributed clocks and operates with a power supply via the E-bus. It features a conversion time of ~100 µs and a resolution of 16 bits.

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Product Description:

The EL3124-0090 is an industrial analog input EtherCAT terminal that is designed to handle process signals that fall within the range of 4 to about 20 milliamperes. It converts the current into a digital form to a resolution of 16 bits and transmits this digitalized signal in an electrically isolated form to the higher-level automation device connected to it. This product is built with about four input channels, all of which feature a common internal grounded potential. Upon installation and operation, the EL3124-0090 can automatically detect open lead or overload current and communicate this anomaly to operators by flashing warning signals through the error signals integrated into its housing unit. This analog EtherCAT terminal does not require any configuration settings before operation. Also, it maintains an approximate conversion time of about 100 microseconds.

The EL3124-0090 analog input EtherCAT Terminal operates with a multiplex sampling type and an input filter limit frequency of about 5 kilohertz. Also, the electronic supply voltage is delivered through the E-bus on the device. The estimated measurement error for this product when it is being used at an ambient temperature that is between 0 to 55-degree Celsius is less than 0.3 per cent; this value increases to 0.5 per cent when the product is operated at an ambient temperature higher than the specified temperature range.

The current consumption at the E-bus on the EL3124-0090 is about 130 milliamperes, while the electrical isolation voltage is about 500 volts. The EL3124-0090 does not generate a lot of heat during operation, and its operation temperature is easily regulated via natural convection. The bit width for the process image for this device is 4 x 16 bits, while it is 4 x6 bits for the status signal.

Bit Width In The Process Image
inputs: 16 byte
Common-mode Voltage Ucm
max. 10 V
Conversion Time
~ 100 µs
Current Consumption E-bus
typ. 130 mA
Current Consumption Power Contacts
Distributed Clocks
yes
Input Filter Limit Frequency
5 kHz
Internal Resistance
typ. 85 Ω + diode voltage
Measurement Error/uncertainty
< ±0.3% (relative to full scale value)
Number Of Inputs
4 (differential)
Power Supply
via the E-bus
Resolution
16 bit (incl. sign)
Signal Current
4…20 mA
Surge Voltage Resistance
35 V DC
Weight
60g

Frequently Asked Questions about EL3124-0090:

Q: How is the EL3124-0090 packaged for delivery?

A: The product is packaged in a recycling cardboard package. Each package maintains permissible storage conditions around the terminal.

Q: Can the EL3124-0090 carry out diagnostic operations?

A: Yes. The EL3124-0090 can detect faulty connection, broken wires and overload conditions and alert operators through its LED displays.

Q: What is the function of the EL3124-0090 in the automation communication system?

A: The EL3124-0090 digitalize input current that falls between 4 to 20 milliamperes, and transmits them in an electrically isolated form to the higher level automation device connected

Q: Does the EL3124-0090 work with distributed clocks?

A: Yes. The distributed clock precision is less than 1 microsecond.

Q: What is the internal resistance of this product?

A: The internal resistance of the EL3124-0090 is about 85 ohms. The diode voltage is also added.


Internal Product Review

  • ‘‘The TwinSAFE SC technology of this product makes it compatible with the use of Standard signals for safety tasks in any network or fieldbus. It also ensures low conversion time. ’’

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