EL3174
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MPN: EL3174-0000
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The EL3174 terminal offers a 3-channel analog input, a signal range of 0/4…20 mA, a 16-bit resolution, and distributed clocks for precise timing. As part of the EL EtherCAT Terminals series by Beckhoff, it features DIN rail mounting, operates between 0 to 55°C, and has approvals including CE and UL.
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Product Description:
The EL3174 EtherCAT terminal supports the reliable reading of the signals of voltage and current that are present in the systems. It is constructed by Beckhoff that makes automation simple for multiple control and industrial automation fields.
The EL3174 EtherCAT terminal features four multifunctional measurement inputs and is used to synchronize distributed clocks to within a precision of better than 1 microsecond with high accuracy in timing of all connected units. Its internal resistance is higher than 200 k ohms and the input is normally about 85 ohms. It can tolerate a maximum common-mode voltage of 35 V to accept differential voltage inputs. It has four input channels two are referenced to a differential ground for voltage measurement and two are single-ended for the rated current. It is powered by a direct link to the EtherCAT E-bus and needs no other supply to operate. The process image accommodates 16 bytes for input data which allows easy matching of sensor readings with the control system. Automatic configuration and address assignment remove the need for manual setup and support power measurement mode configuration.
The EL3174 terminal is capable of extended range settings and the flexibility of using the standard or compact process images as well as the possibility to activate the digital FIR and IIR filters to perform signal conditioning. EL3174 weighs about 65 grams and has a durable polycarbonate case. It has very compact dimensions a width of 12mm, height 100 mm and depth 68 mm which allow its installation into space-restricted habitats. The current value mainly features a dielectric strength of a maximum of 30 V by ensuring efficient isolation and safety in industries.
Frequently Asked Questions about EL3174:
Q: How many channels are available on the Beckhoff EL3174 terminal?
A: The EL3174 offers 4 input channels. These channels handle differential voltage and single-ended current measurements for flexible signal acquisition.
Q: Does the Beckhoff EL3174 require external power supply?
A: No, the EL3174 draws power directly from the E-bus. This makes installation simpler without needing extra wiring for terminal power.
Q: What is the synchronization accuracy of the EL3174 terminal?
A: The EL3174 achieves distributed clock precision better than 1 µs. This ensures tight timing control across all connected devices.
Q: Can the EL3174 terminal handle both voltage and current inputs?
A: Yes, the EL3174 supports voltage and current modes. It allows switching between these modes using parameterization without hardware changes.
Q: What is the dielectric strength rating of Beckhoff EL3174?
A: The EL3174 provides a dielectric strength of up to 30 V for current measurements. This adds electrical protection to the measuring circuit.
