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                            • Beckhoff EL3702 Analog Input Terminal

                              Product Type: EtherCAT Analog Input Terminal
                              Model: EL3702
                              Function: 2-Channel Analog Voltage Input
                              Manufacturer: Beckhoff Automation

                              The Beckhoff EL3702 is a high-speed 2-channel differential analog input terminal for -10 to +10 V signals. It provides 16-bit resolution, configurable oversampling and sampling rates up to 100 kS/s per channel, making it suitable for high-speed and synchronized measurement applications.

                              Technical Specifications

                              Parameter	Specification
                              Model	EL3702
                              Product Type	EtherCAT Analog Input Terminal
                              Number of Inputs	2
                              Input Type	Differential
                              Signal Range	-10 to +10 V
                              Resolution	16 bit
                              Maximum Sampling Rate	100 kS/s per channel
                              Sampling Time	Approx. 10 µs
                              Oversampling Factor	1–100, selectable
                              Recommended Bandwidth	0–30 kHz
                              Internal Resistance	>200 kΩ
                              Common-Mode Voltage	Max. 35 V
                              Conversion Time	Approx. 10 µs
                              Measurement Error	< ±0.3% of full scale
                              Distributed Clocks	Yes
                              DC Accuracy	<100 ns
                              Electrical Isolation	500 V
                              E-bus Current	Approx. 200 mA
                              Power Supply	Via E-bus
                              Mounting	35 mm DIN rail
                              Protection Rating	IP20
                              Operating Temperature	-25°C to +60°C
                              Dimensions	Approx. 12 × 100 × 68 mm
                              Weight	Approx. 60 g

                              Specifications are based on Beckhoff's official documentation.

                              Advantages & Features

                              • 2-Channel Differential Input: Measures two independent voltage signals.
                              • 16-Bit Resolution: Provides accurate analog signal acquisition.
                              • High-Speed Sampling: Up to 100 kS/s per channel.
                              • Oversampling Technology: Allows multiple measurements within each EtherCAT cycle.
                              • Distributed Clocks: Enables highly precise synchronization with other EtherCAT devices.
                              • High Input Impedance: >200 kΩ minimizes loading of the connected signal source.
                              • Electrical Isolation: 500 V isolation between E-bus and field signal.
                              • Compact Design: Only 12 mm wide, saving valuable control cabinet space.
                              • Simultaneous Sampling: Both channels can be sampled simultaneously for time-critical measurements.

                              Typical Applications

                              • Industrial automation
                              • High-speed data acquisition
                              • Machine monitoring
                              • Vibration and condition monitoring
                              • Motion control
                              • Motor and drive monitoring
                              • Test and measurement systems
                              • Process automation
                              • Factory automation
                              • Precision analog measurement

The structure and details of the product：

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