Description
The Beckhoff EL4124 EtherCAT Terminal is a 4-channel analog output module that delivers precise current signals in the 4–20 mA range. It provides 16-bit resolution, short-circuit protection, and electrical isolation for reliable operation in process control and automation systems.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Beckhoff |
| Category |
Industrial I/O |
| Part Number |
EL4124 |
| Subcategory |
Analog Output Terminals |
| Bus System |
EtherCAT |
| Number of Channels |
4 |
| Signal Type |
Analog current output |
| Signal Range |
4…20 mA |
| Resolution |
16 bit |
| Output Error |
< 0.1% (relative to end value) |
| Output Rate |
Max. 4 ksps |
| Load Resistance |
< 350 Ω, short-circuit proof |
| Electrical Isolation |
500 V (E-bus/signal voltage) |
| Power Supply |
24 V DC via power contacts |
| Current Consumption (Power Contacts) |
Typ. 15 mA + load |
| Current Consumption (E-bus) |
Typ. 110 mA |
| Distributed Clocks |
Supported, precision < 1 µs |
| Watchdog |
Parameterizable, user synchronization available |
| EMC Compliance |
EN 61000-6-2 / EN 61000-6-4 |
| Operating Temperature |
-25…+55°C |
| Storage Temperature |
-40…+85°C |
| Relative Humidity |
95%, no condensation |
| Enclosure Protection |
IP20 |
| Weight |
65 g (approx. 0.14 lbs) |
Information About EL4124
The EL4124 is part of Beckhoff’s EtherCAT I/O system, designed to provide precise analog current outputs for control and automation applications. Each of its four channels delivers a signal between 4 and 20 mA, offering a 16-bit resolution for fine process adjustments. The module integrates distributed clock support with sub-microsecond precision, enabling synchronous signal output across multiple terminals. Electrical isolation between the E-bus and the signal voltage ensures safe operation and reduced interference in complex networked environments, making the EL4124 suitable for process automation, instrumentation, and motion control systems.
Key Features:
- High-Resolution Output: Provides 16-bit resolution for precise and smooth analog signal generation across four independent channels.
- Current Output Range: Delivers standard 4–20 mA current signals compatible with most industrial actuators and process devices.
- Electrical Isolation: Offers 500 V isolation between E-bus and signal voltage to protect the system and ensure reliable data integrity.
- Integrated Distributed Clocks: Supports EtherCAT distributed clock synchronization with precision better than 1 µs for coordinated operation.
- Short-Circuit Protection: Each output channel is short-circuit proof, ensuring long-term durability and minimizing maintenance.
- Parameterizable Watchdog: Includes configurable watchdog and user synchronization features for enhanced system reliability.
- Robust EMC Design: Complies with EN 61000-6-2 and EN 61000-6-4 for immunity and emission standards in industrial environments.
- Compact Construction: Lightweight, IP20-rated terminal designed for DIN-rail installation within control cabinets.
The EL4124 delivers the reliability and precision required for high-performance analog control and signal generation in industrial EtherCAT systems.
