Beckhoff EL3453-0090 | EtherCAT Terminal, 3-channel analog input, power measurement

The EL3453-0090 EtherCAT power measurement terminal has voltage

inputs for direct monitoring of high-capacity generators up to max.

690 V AC, as is common in the wind industry, for example.

No upstream voltage transformer is required. The four current inputs

are electrically isolated so that the terminal can be used in all common

grounded current transformer configurations such as 2- or 3-transformer

configurations with star or delta connection incl. neutral conductor

current measurement.

The EL3453-0090 can be used for simple grid analysis up to the 63rd

harmonics analysis. Alternatively, all readings can be combined in a

power quality factor for simplified diagnostics.

Like all measured terminal data, the harmonic content can be read via

the process data.

The EL3453-0090 offers the “ExtendedRange” feature enabling the use

of the full technical measuring range, which equals 130% of the specified

nominal measuring range.

In addition, the EL3453-0090 comes with the option of transmitting the

times of the last voltage and current zero crossing to the controller via

XFC technology. This can be used, for example, to carry out switching

operations to suit the application.

With the aid of the TwinSAFE SC technology (TwinSAFE Single Channel)

it is possible to make use of standard signals for safety tasks in any network

or fieldbus. To do this, EtherCAT I/Os from the areas of analog input, position

measurement or communication (4… 20 mA, incremental encoder, IO-Link,

etc.) are extended by the TwinSAFE SC function. The properties typical for

the signals and the standard functions of the I/O components are retained.

TwinSAFE SC I/Os differ optically from standard I/Os by a yellow stripe on

the front of the housing.

The TwinSAFE SC technology enables communication via a TwinSAFE protocol.

These connections can be distinguished from the usual secure communication

via Safety over EtherCAT.