EL3068
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MPN: EL3068-0000
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The EL3068 EtherCAT terminal features 8 single-ended inputs, a signal voltage range of 0 to 10 V, a resolution of 12 bits, and an IP20 protection rating. Part of the EL EtherCAT Terminals series by Beckhoff, it operates within temperatures of -25 to +60°C and conforms to EN 61000-6-2/EN 61000-6-4 EMC standards.
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Product Description:
The EL3068 is an EtherCAT Input Terminal that is manufactured by Beckhoff for high-precision analog signal acquisition. This terminal contains 8 single-ended analog inputs arranged in a multiplexed configuration, which are optimized to capture voltage signals with efficiency in industrial automation systems. This terminal operates smoothly in high-humidity environments by sustaining up to 95% relative humidity without condensation.
The EL3068 input terminal has a 12-bit resolution for analog-to-digital conversion. The data output is also expanded to a 16-bit length to include the sign for improving compatibility with signed value processing platforms. This input terminal features a measurement error of less than ±0.3% relative to the full-scale input range. This provides minimal signal deviations even in high-precision measurement tasks. Electrical safety is taken care of with 500 V isolation between the E-bus and the signal voltage to shield this terminal from possible cross-voltage interference. The current consumption from the E-bus is about 130 mA, which is optimized for efficient energy operation in multi-terminal designs. The default conversion period of this terminal is 1.25 milliseconds per channel, which is optimized for fast data updates, and it can be reconfigured according to application needs.
The EL3068 terminal supports easy integration into industrial panels with a 35 mm DIN rail mounting to meet EN 60715 standards. The ingress protection of this terminal is rated as IP20, which is adequate for use in control cabinets. This terminal meets EN 60068-2-27 for vibration resistance, and EN 61000-6-2 EMC immunity standards to protect it from electromagnetic interference. This terminal has a storage temperature range of -40°C to +85°C, and the bit width in the process image for the input signal is 32 bytes to facilitate a well-structured and efficient representation of input analog data.
Frequently Asked Questions about EL3068:
Q: What is the benefit of using a multiplexed input configuration in EL3068?
A: Multiplexing allows all 8 analog inputs to share internal ADC circuitry. This reduces hardware size and cost while maintaining performance.
Q: How does the 16-bit signed data format improve integration?
A: The 16-bit output simplifies processing by accommodating signed values directly. This is helpful in systems expecting both positive and negative readings.
Q: Why is the E-bus current consumption kept at 130 mA in EL3068?
A: Lower current demand supports scalability in systems with many terminals. This reduces overall load on the EtherCAT master.
Q: How does 500 V electrical isolation enhance the EL3068’s reliability?
A: It prevents high voltage interference from affecting signal integrity. This is essential when interfacing with sensors in high-noise environments.
Q: How does the EL3068 support signal processing in high-speed applications?
A: With a default 1.25 ms conversion time, it enables near real-time updates. This suits dynamic processes requiring frequent signal sampling.
