Fabricante: BECKHOFF
Nº do Produto: EL2535-0050
País de origem:Alemanha
Tipo de Produto: EtherCAT Terminals
Pagamento: T/T, Western Union
Peso: 2000g
Dimensões: 120 mm x 80 mm x 25 mm
Porto de embarque: Xiamen
Garantia: 12 meses
Designed to deliver highly precise current-controlled modulation within distributed control networks, the Beckhoff EL2535-0050 functions as a dual-channel pulse-width modulation (PWM) output terminal for 24 V DC applications. This compact 12 mm module modulates inductive loads up to 50 mA with a default switching frequency of 30 kHz. Featuring integrated push-pull outputs and two auxiliary 24 V DC digital inputs, it enables responsive closed-loop control of thermoelectric coolers, miniature DC motors, and proportional valves directly on the EtherCAT segment.
| Parameter | Value / Specification |
|---|---|
| Manufacturer | Beckhoff Automation GmbH & Co. KG |
| Model Number | EL2535-0050 |
| Connection Technology | PWM output, push-pull outputs |
| Number of Outputs | 2 |
| Nominal Voltage | 24 V DC (-15% / +20%) |
| Load Type | Inductive (greater than 1 mH) |
| Maximum Output Current | ±50 mA |
| Short-Circuit Current | Less than 500 mA typical |
| PWM Clock Frequency | 30 kHz default |
| Duty Factor | 0% to 100% (current-controlled) |
| Resolution | 10 bit |
| E-Bus Current Consumption | Typical 110 mA |
| Power Contacts Current Consumption | Typical 30 mA + load |
| Process Image Bit Width | 48 inputs/outputs (2 x 16 bit data, 2 x 8 bit control/status) |
| Digital Inputs | 2 x digital 24 V inputs |
| Electrical Isolation | 500 V (E-bus / field potential) |
| Operating Temperature | 0 to +55 degC |
| Storage Temperature | -25 to +85 degC |
| Relative Humidity | 95%, non-condensing |
| Protection Class | IP20 |
| Approvals & Markings | CE, UL, ATEX (II 3 G Ex nA IIC T4 Gc), cFMus Class I Div 2 |
| Country of Origin | Germany |
| Net Weight | 50 g |
| Shipping Weight (Calculated) | 0.15 kg |
| Dimensions (W x H x D) | 12 mm x 100 mm x 68 mm |
| Package Dimensions (Calculated) | 120 mm x 80 mm x 25 mm |
| Terminal Point | Signal Assignment | Description |
|---|---|---|
| 1 | PWM Output 1 (+) | Positive connection for PWM Channel 1 |
| 5 | PWM Output 1 (-) | Negative connection (return) for PWM Channel 1 |
| 2 | PWM Output 2 (+) | Positive connection for PWM Channel 2 |
| 6 | PWM Output 2 (-) | Negative connection (return) for PWM Channel 2 |
| 3 | Digital Input 1 | 24 V DC auxiliary digital input for feedback loop 1 |
| 7 | Digital Input 2 | 24 V DC auxiliary digital input for feedback loop 2 |
| 4 | +24 V DC Power Contact | Internal feed connection to positive power rail |
| 8 | 0 V DC Power Contact | Internal feed connection to negative power rail |
Unlike the standard voltage-controlled PWM terminal counterparts, the specialty current-controlled EL2535-0050 regulates output current directly to compensate for temperature-dependent coil resistance variations. Ensure TwinCAT 2.11 (or higher) is configured with the correct XML device description (ESI) file to avoid driver mismatch faults during hardware scanning.
This terminal requires a minimum inductive load of 1 mH. Connecting highly capacitive or purely resistive loads with low inductance values can cause high-frequency oscillations, trigger internal short-circuit limits (under 500 mA), and prevent steady current regulation. In high-density mounting arrays, ensure vertical installation alignment to allow adequate passive thermal dissipation across the polycarbonate terminal housing.
Due to the 30 kHz carrier frequency, we advise utilizing shielded twisted-pair (STP) cabling for connection to the actuator coils. Run the shield to an external grounding clamp (such as the Beckhoff KL9080 shield terminal) as close to the entry point of the electrical cabinet as possible to prevent electromagnetic interference from bleeding into parallel low-voltage analog signals.
CRITICAL WARNING
Isolate all 24 V DC field-side power contacts and standard E-bus power supplies before installing, removing, or wiring any EtherCAT terminals. Electrostatic discharge and hot-swapping can damage sensitive internal bus components.
Align the terminal side-by-side using the double slot-and-key system, then slide it firmly onto a standard 35 mm DIN rail (conforming to EN 60715) until the lock clicks.
Strip wire leads to exactly 8 to 9 mm. Use a flathead screwdriver to depress the spring-actuated terminal mechanism, insert the wire, and release to secure. Solid or ferruled conductors can be pushed directly.
Verify connection cross-sections: use AWG 28 to 14 for solid/stranded wires, and AWG 26 to 16 for wires terminated with ferrules.
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| Country of origin |
Alemanha
|
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