Beckhoff EL4102 EtherCAT Terminal 2-Channel Analog Output Module

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Fabricante: BECKHOFF
Nº do Produto: EL4102
País de origem:Alemanha
Tipo de Produto: EtherCAT Analog Output Modules
Pagamento: T/T, Western Union
Peso: 2000g
Dimensões: 12 mm x 100 mm x 68 mm
Porto de embarque: Xiamen
Garantia: 12 meses

Generating precise analog control signals directly from the control network, the Beckhoff EL4102 is a high-performance 2-channel analog output terminal designed for integration into EtherCAT-based industrial automation systems. This module converts digital values from the controller into standard 0 to 10 V voltage signals with a high-resolution 16-bit digital-to-analog conversion process.

Key Features

Dual-Channel Output: Two independent, single-ended analog outputs configured for 0 to 10 VDC operation.
High Resolution: 16-bit digital-to-analog conversion (including sign) ensures precise voltage regulation.
Distributed Clocks (DC): Integrated distributed clock functionality with a synchronization precision of less than 1 microsecond.
Galvanic Isolation: Provides 500 V electrical isolation between the internal E-bus circuitry and the signal voltage lines.
Parameterizable Watchdog: Configurable safety state behavior in the event of communication interruption.

Applications

Speed control of variable frequency drives (VFDs) and servo controllers via analog inputs.
Positioning of proportional valves, actuators, and dampers in process control loops.
Interfacing with analog instrumentation, signal conditioners, and test bench systems.
Integration into high-speed packaging, assembly, and material handling machinery.

Technical Specifications

Parameter	Specification
Manufacturer	Beckhoff Automation
Model Number	EL4102
Number of Outputs	2
Signal Voltage Range	0 to 10 V
Resolution	16 bit (including sign)
Output Rate	Max. 15 ksps
Output Error	< 0.1% (relative to end value)
Load Impedance	> 5 kohm (short-circuit proof)
Current Consumption (E-bus)	Typ. 210 mA
Electrical Isolation	500 V (E-bus / signal voltage)
Distributed Clocks	Yes, precision < 1 microsecond
Connection Technology	2-wire, single-ended
Operating Temperature	-25 to +60 degC
Storage Temperature	-40 to +85 degC
Relative Humidity	95%, non-condensing
Protection Rating	IP20
Ex Marking	II 3 G Ex nA IIC T4 Gc
Dimensions (W x H x D)	12 mm x 100 mm x 68 mm
Net Weight	Approx. 60 g
Shipping Weight (Calculated)	2.0 kg

Connections and Interfaces

Terminal Point	Signal Name	Description
1	Out 1	Analog Output 1 (+)
2	0 V	Analog Ground (Output 1 Reference)
3	Shield	Shield Connection (Output 1)
5	Out 2	Analog Output 2 (+)
6	0 V	Analog Ground (Output 2 Reference)
7	Shield	Shield Connection (Output 2)

Empirical Engineering Insights

Alternative Models & Compatibility

The EL4102 features standard tension clamp terminal blocks. For applications requiring pluggable wiring harnesses to facilitate rapid field replacement, the ES4102 terminal is the direct alternative, utilizing pluggable connector blocks while maintaining identical electrical and firmware parameters.

Application Pitfalls & Engineering Notes

The analog outputs are single-ended and share a common internal ground reference. Ensure that connected field devices (such as VFDs or actuators) do not have ground loops that could introduce offset errors or damage the terminal. The load resistance must be strictly greater than 5 kohm; driving lower impedance loads will trigger internal short-circuit protection and cause the output voltage to drop below the commanded value.

Commissioning & Wiring Tips

When configuring the module in TwinCAT 2 or TwinCAT 3, always configure the watchdog parameter to define a safe output state (e.g., force to 0 V or hold last value) in the event of an EtherCAT communication loss. To minimize electromagnetic interference (EMI) on the high-resolution 16-bit signal, use shielded twisted-pair (STP) cabling and connect the shield directly to the designated shield terminals (points 3 and 7) on the terminal block.

Installation Guidelines

CRITICAL WARNING

De-energize the entire system, including the E-bus power supply and all field power contacts, prior to mounting, wiring, or removing the terminal. Failure to isolate power can result in permanent hardware damage to the EtherCAT bus coupler or adjacent I/O terminals.

Mount the terminal on a standard 35 mm DIN rail (conforming to EN 60715) by aligning the integrated lock mechanism and sliding it until the double slot and key connection locks securely with the adjacent terminal.

Strip the signal wire insulation to a length of 8 to 9 mm. Insert a flat-blade screwdriver into the spring-actuation slot to open the clamp, insert the conductor (solid or stranded with ferrule, AWG 28 to 14), and release the screwdriver to secure the wire.

Apply power to the E-bus and verify the status LEDs on the front panel. The Run LED should illuminate green, indicating active EtherCAT communication and proper synchronization with the master controller.

Key Features:

#Analog Output Modules #Beckhoff EtherCAT Terminals

What is the minimum load resistance supported by the EL4102 outputs?

The minimum load resistance for each analog output channel is 5 kohm. The outputs are short-circuit proof, but connecting a load below this threshold will cause voltage sag and measurement errors.

Does the EL4102 require external 24 VDC power for operation?

No, the EL4102 is powered entirely via the internal E-bus of the EtherCAT terminal strip, drawing a typical current of 210 mA. No external power contacts are utilized.

How do I handle shielding for the analog output signals on this module?

Use shielded twisted-pair cabling for the 0 to 10 V signals. Connect the cable shields directly to terminal points 3 (for Channel 1) and 7 (for Channel 2) on the terminal block to mitigate electromagnetic noise.

What is the difference between the EL4102 and the ES4102?

The EL4102 uses standard permanent tension clamp terminals, whereas the ES4102 features pluggable wiring connectors for faster module replacement in high-maintenance environments.

Envio Expresso Global

Entrega Padrão: 4-6 dias úteis via DHL, FedEx e UPS.
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Devoluções e Garantia

Garantia de 30 Dias: Devoluções aceitas para produtos em estoque na embalagem original, lacrada de fábrica.
Garantia de 12 Meses: Cada componente industrial é coberto pela nossa garantia técnica profissional.

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TECHNICAL SPECIFICATIONS

Country of origin

Beckhoff EL4102 EtherCAT Terminal 2-Channel Analog Output Module