Manufacturer: BECKHOFF
Product No.: EL2545
Country of origin:Germany
Product Type: EtherCAT I/O Modules
Payment: T/T, Western Union
Weight: 1000g
Dimensions: 12 mm x 100 mm x 68 mm
Shipping port: Xiamen
Warranty: 12 months
Integrating directly into the EtherCAT I/O architecture, the Beckhoff EL2545 is a high-precision 2-channel pulse width current terminal engineered for the dynamic control of inductive loads up to 50 V DC. Operating with an output current of ±3.5 A per channel, this terminal incorporates integrated LVDT (Linear Variable Differential Transformer) feedback to facilitate advanced closed-loop current control. The module operates with a default 32 kHz PWM clock frequency and a 12-bit resolution, providing stable, ripple-free current regulation for proportional valves, small DC motors, and specialized hydraulic or pneumatic actuators. Full short-circuit protection, thermal-overload safeguarding, and EtherCAT Distributed Clocks support make it highly reliable for demanding positioning tasks.
| Parameter | Specification Value |
|---|---|
| Manufacturer | Beckhoff Automation GmbH & Co. KG |
| Model Identifier | EL2545 |
| Module Type | 2-Channel Pulse Width Current Terminal with LVDT Feedback |
| Output Configuration | 2 x PWM outputs, push-pull |
| Nominal Operating Voltage | 8 to 50 V DC |
| Max. Continuous Current | ±3.5 A per channel (short-circuit and thermal-overload proof) |
| Inductive Load Compatibility | > 1 mH |
| PWM Carrier Frequency | 32 kHz (configurable default parameters) |
| Duty Cycle Range | 0 to 100 % (current-controlled) |
| Resolution | 12 bit |
| E-Bus Current Consumption | Typical 180 mA |
| Auxiliary Supply Current | Typical 10 mA (24 V DC via power contacts) |
| Electrical Isolation | 500 V (E-bus / field potential) |
| Distributed Clocks | Supported, high precision |
| Operating Temperature Range | 0 to +55 degC (no condensation) |
| Ingress Protection Rating | IP 20 |
| Country of Origin | Germany |
| Net Weight | 0.05 kg (50 grams) |
| Shipping Weight (Calculated) | 1.00 kg (packaging-inclusive) |
| Dimensions (Calculated) | 12 mm x 100 mm x 68 mm |
The EL2545 EtherCAT terminal is standardly interchangeable with the ES2545 version, which features pluggable wiring connections for easier maintenance-level swapping in high-vibration applications. Direct firmware compatibility is maintained across all modern TwinCAT 2 and TwinCAT 3 systems. Ensure you import the corresponding XML device description (ESI) file into your controller configuration to correctly map the 48-bit process image (2 x 16-bit process data, 2 x 8-bit control/status words).
When utilizing the terminal at maximum output capacity (near ±3.5 A per channel), ambient cabinet temperature profile monitoring is vital. Ensure there is adequate thermal spacing if mounting adjacent to high-dissipation modules. Note that the connected load must be highly inductive (> 1 mH); attempting to drive purely resistive loads at low duty cycles may result in unstable current regulation loop steps and current threshold warning faults in the TwinCAT diagnostics buffer.
Since the EL2545 uses LVDT sensors for position feedback, standard analog routing rules apply. Keep LVDT signal feedback wiring completely separated from the high-power 32 kHz PWM lines to prevent cross-talk and high-frequency EMI infiltration. Always use shielded, twisted-pair cabling for feedback runs and ground the shields directly at the DIN rail grounding bus terminal immediately preceding the module insertion slot.
Isolate all electrical power sources—both the auxiliary 24 V DC power contact supply and the high-voltage 50 V DC load bus—prior to terminal insertion, removal, or manual wiring adjustments. Physical hot-swapping or handling under loaded conditions may cause inductive kickback damage to internal push-pull output circuits, leading to permanent hardware failure.
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| Country of origin |
Germany
|
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