Beckhoff EL9222-4433 EtherCAT Terminal 2-Channel Overcurrent Protection Module

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Produsen: BECKHOFF
Nomor Produk: EL9222-4433
Negara asal:Jerman
Jenis Produk: Overcurrent Protection Terminals
Pembayaran: T/T, Western Union
Berat: 2000g
Dimensi: 12 mm x 100 mm x 68 mm
Pelabuhan pengiriman: Xiamen
Garansi: 12 bulan

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Description

Designed to safeguard critical 24 V DC control circuits within EtherCAT industrial networks, the Beckhoff EL9222-4433 provides precise electronic overcurrent protection for dual channels rated at 3 A each. Operating directly within the standard EtherCAT terminal segment, this module dynamically monitors load currents, offering rapid electronic shutdown in the event of an overload or short circuit, thereby limiting system downtime. It features integrated status LEDs and physical push-buttons on the housing for immediate channel-level diagnostics and manual reset capability, while feeding complete diagnostic telemetry back to the controller via the E-bus interface.

Features

Dual-Channel Monitoring: Two independent 24 V DC distribution paths, limiting maximum current to 3 A per channel.
Hardware Redundancy: Integrated 4 A slow-blow fail-safe backup fuses provide hardware-level backup protection.
E-Bus Telemetry: Seamless configuration, current monitoring, and diagnostic reporting directly through TwinCAT.
Local Interactivity: Dedicated LED push-buttons on the terminal face allow for direct manual reset and instant physical status feedback.
High Packing Density: Compact 12 mm modular housing width minimizes DIN-rail footprint in control panels.

Applications

Sensor/Actuator Power Distribution: Safe current-limited supply routing for decentralized field sensors and valve terminals.
Control Cabinet Sub-Circuit Protection: Isolation of critical low-voltage hardware to prevent system-wide voltage collapses during single-point field faults.
EtherCAT Segment Protection: Protection of downstream auxiliary power contacts across I/O nodes.

Technical Specifications

Parameter	Specification
Manufacturer	Beckhoff
Model / Article Number	EL9222-4433
Nominal Operating Voltage	24 V DC
Number of Channels	2
Rated Current	3 A per channel
Max. Input Supply Current	10 A
Current Consumption (E-bus)	80 mA typical
Electrical Isolation	500 V (E-bus to signal voltage)
Backup Fail-Safe Element	4 A slow-blow (T) / 4 A slow-blow (T)
Overvoltage Cut-off	>= 32 V DC
Hold After Trip-Out	>= 10 s
Advance Load Warning Threshold	90 percent of rated channel load
Operating Temperature	0 to 55 degC
Storage Temperature	-25 to 85 degC
Enclosure Protection Rating	IP20
Housing Material	Polycarbonate
Physical Dimensions (W x H x D)	12 mm x 100 mm x 68 mm
Net Weight	55 g
Shipping Weight (Calculated)	2.0 kg
Certifications and Approvals	CE, cULus, cURus

Connections & Interface Terminal Guide

Terminal Contact	Wiring Specifications & Signal Mapping
Solid Conductor Range	0.08 to 2.5 mm² (AWG 28 to 14) via screwdriver spring actuation
Stranded Conductor Range	0.08 to 2.5 mm² (AWG 28 to 14)
Conductor with Ferrule (f)	0.14 to 1.5 mm² (AWG 26 to 16)
Stripping Depth	8 to 9 mm
Power Contact Rating	Imax: 10 A (Output 1 utilizes internal power contact path)

Empirical Engineering Insights

Alternative Models & Compatibility

The EL9222-4433 is optimized for 3 A fixed current limits per channel. For variable current configurations, look to the adjustable EtherCAT terminals (such as the EL9224). When inserting this module into an existing I/O stack, ensure that your TwinCAT EtherCAT XML Device Description (ESI) files are updated to match the specific firmware revision. If replacing an older EL9222-0000, verify that your E-bus current budget can handle the 80 mA load of the EL9222-4433.

Application Pitfalls & Engineering Notes

The absolute maximum capacity of the power contact rail is 10 A. Continuous heavy loads across multiple downstream modules must be calculated to prevent overload of the power contacts. If your segment exceeds 10 A total, you must insert an EL9100 or EL9110 power feed terminal directly upstream to segment the power contacts and prevent local terminal overheating.

Commissioning & Wiring Tips

To avoid intermittent faults, adhere strictly to the 8 to 9 mm stripping length. Under-stripping causes insecure mechanical tension clamp engagement, while over-stripping risks exposing bare wire to adjacent, closely-spaced terminals. When commissioning from TwinCAT, remember to map the CoE (CanOverEtherCAT) objects to read historical trip data and clear fault states remotely.

Installation Guidelines

CRITICAL WARNING:

De-energize the entire segment and isolate all 24 V DC power feeds before installing or removing the overcurrent protection terminal. Failure to do so may damage the E-bus connection pins, disrupt network communications, or lead to accidental arc discharges across adjacent contacts.

Align the EL9222-4433 terminal with the 35 mm DIN rail (conforming to EN 60715) alongside the existing EtherCAT segment. Ensure the slot and key guides line up correctly.

Press the terminal firmly onto the DIN rail until you hear the locking latch snap into position, securing the E-bus connections.

Using a standard terminal screwdriver, actuate the spring-actuated clamp connections to insert conductors stripped to 8-9 mm. Re-verify the wire cross-section conforms to AWG 28-14 (solid/stranded) or AWG 26-16 (ferrule).

Apply 24 V DC control power, boot the TwinCAT system, and verify that the front status LEDs illuminate green, indicating normal channel conditions.

Model Number / Title	Condition	Availability	Action
BECKHOFF EJ2889 Modul Plug-in EtherCAT Output Digital 16-Kanal	Original New	In Stock	View Details
EL4032 BECKHOFF Terminal EtherCAT Output Analog 2-Kanal ±10 V	Original New	In Stock	View Details
EL2878-0005 BECKHOFF Terminal Output Digital 8-Kanal Koneksi Kabel Pita	Original New	In Stock	View Details

Key Features:

#Beckhoff EtherCAT #Overcurrent Protection Terminals

What is the primary function of the LED buttons on this terminal?

The integrated LED buttons serve a dual purpose: they physically display channel status (overload, tripped, or normal) and allow for direct local manual channel resetting during troubleshooting or maintenance.

Does this module require a separate power feed terminal?

The module uses standard 24 V DC power contacts. If the total cumulative current of your EtherCAT segment's power contacts exceeds 10 A, an upstream feed module like the EL9100 must be integrated to isolate and protect the bus.

Can I configure custom trip currents for the channels?

No, the EL9222-4433 features preset, hardware-defined tripping curves configured for a maximum of 3 A per channel. For adjustable configurations, look to programmable alternatives like the EL9224.

What is the required hold time after an overcurrent trip before resetting?

To prevent immediate thermal stress, there is a built-in thermal cooldown lockout requiring at least 10 seconds after a channel switches off before a reset can be triggered.

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Beckhoff EL9222-4433 EtherCAT Terminal 2-Channel Overcurrent Protection Module