EL4034 4-Channel Voltage Output | ±10 V Analog Terminal

EL4034 | 4-Channel Analog Output ±10 V

Brand: Beckhoff | Type: EL4034 | Series: EtherCAT Terminal | Function: 4-channel analog output, voltage ±10 V, 12 bit

The EL4034 analog output terminal generates signals from -10 V to +10 V. It offers 12-bit resolution and electrical isolation. The four channels share a common ground. Output stages use a 24 V supply. LEDs indicate signal status. This terminal is ideal for precise voltage control in automation systems.

Key Features

• 4 analog outputs in 12 mm housing
• Voltage range: -10…+10 V
• Resolution: 12 bit
• Distributed clocks with precision << 1 µs
• Watchdog with ramp function
• Short-circuit proof outputs

Technical Specifications

• Outputs: 4, single-ended (2-wire)
• Signal voltage: -10…+10 V
• Resolution: 12 bit
• Output error: < 0.1 % (relative to end value)
• Load: > 5 kΩ (short-circuit proof)
• Conversion time: approx. 250 µs
• Distributed clock precision: << 1 µs
• Power supply: 24 V DC via power contacts
• Current consumption: typ. 25 mA (power contacts), typ. 140 mA (E-bus)
• Isolation: 500 V (E-bus/signal)
• Bit width: 4 x 16 bit AO output
• Operating temp.: -25…+60 °C
• Storage temp.: -40…+85 °C
• Humidity: 95 %, no condensation
• Vibration/shock: EN 60068-2-6 / EN 60068-2-27
• EMC: EN 61000-6-2 / EN 61000-6-4
• Protection rating: IP20
• Weight: approx. 85 g

Installation & Wiring

• Mounting: 35 mm DIN rail (EN 60715)
• Connection: Spring actuation by screwdriver
• Wire sizes (EL4034): solid 0.08…2.5 mm², stranded 0.08…2.5 mm², ferrule 0.14…1.5 mm²
• Wire sizes (ES4034): solid 0.08…1.5 mm², stranded 0.08…1.5 mm², ferrule 0.14…1.5 mm²
• Stripping length: 8…9 mm (EL), 9…10 mm (ES)
• Power contact current: max. 10 A
• Side-by-side mounting with double slot & key
• Pluggable wiring available (ES4034)

Debugging & Maintenance

• LED status indicators for each channel
• Watchdog with user-defined output value and ramp
• User synchronization can be activated
• Configuration via TwinCAT software
• Distributed clocks for precise timing

Compatibility

• EtherCAT couplers and controllers
• TwinCAT 2 / 3 automation suite
• Works with all Beckhoff I/O systems
• Supports 2-wire single-ended loads

Certifications

• CE
• UL
• ATEX (II 3 G Ex nA IIC T4 Gc)
• EN 61000-6-2 / -4 (EMC)
• EN 60068-2-6 / -27 (vibration/shock)

Package Contents

• EL4034 or ES4034 terminal (1 unit)
• Documentation leaflet
• No accessories included

Warranty & Shipping

• Warranty: 12 months
• Shipping: 12-24 hours dispatch
• Carriers: FedEx, UPS, DHL

Expert Review

The EL4034 delivers precise ±10 V outputs with 12-bit resolution. Its distributed clock feature ensures synchronization below 1 µs. The watchdog with ramp function adds safety. For applications requiring multiple analog outputs, this terminal saves space and offers reliable performance.

Manager’s Insight

For plant managers, the EL4034 reduces cabinet space by 50% compared to standard terminals. The short-circuit proof outputs and ATEX approval make it suitable for harsh environments. With 500 V isolation, it protects the bus system. A cost-effective solution for multi-channel analog control.

Applicable Devices & Scenarios

• Devices: PLC, industrial PCs, EtherCAT masters
• Scenarios: Valve control, motor drives, process automation, test stands
• Loads: Actuators, analog indicators, frequency converters

FAQ

• Can I use the EL4034 with 4-20 mA loops?
  No. This terminal outputs voltage only (-10…+10 V). For current output, use EL4032 or similar.
• What is the minimum load impedance?
  Greater than 5 kΩ. The outputs are short-circuit proof.
• How does the watchdog work?
  It sets a user-defined output value with a ramp when the EtherCAT state changes.
• Is distributed clock supported?
  Yes. Precision is << 1 µs for synchronized outputs.
• What is the difference between EL4034 and ES4034?
  ES4034 has pluggable wiring for easy maintenance. EL4034 uses fixed wiring.
• Can I use this in explosive atmospheres?
  Yes. It has ATEX Ex nA IIC T4 Gc certification.

Selection Guide

• For ±10 V outputs with 12-bit resolution, choose EL4034.
• Need pluggable wiring? Select ES4034.
• For higher resolution, consider EL4038 (16-bit).
• For current outputs, use EL4032 (4-20 mA).
• Use with distributed clocks for time-critical applications.

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