For processing decentralized I/O signals directly on machinery, the Beckhoff IP2401-B520 Fieldbus Box serves as a ruggedized DeviceNet interface module. This IP67-rated unit bypasses the need for protective control cabinets by mounting directly within harsh processing environments. It features automated transmission rate configuration and direct integration with DeviceNet networks via industrial M12 cabling. The device manages internal logic execution and signal routing, enabling efficient, low-latency control architecture in distributed automation systems.
| Manufacturer | Beckhoff |
| Model Identifier | IP2401-B520 |
| Fieldbus Interface | 1 x M12 plug, 5-pin |
| Data Transfer Rates | Automatic detection up to 500 kbaud |
| Transmission Medium | Shielded copper cable, with power supply, typ. 2 x 2 x 0.25 mm² |
| Control Supply Voltage | 24 V DC (-15 % / +20 %) |
| Power Supply Connections | Feed: 1 x M8 male, 4-pin; Downstream: 1 x M8 female, 4-pin |
| Box Current Consumption | 45 mA + sensor current load (maximum 0.5 A) |
| Electrical Isolation | 500 V (Control voltage to fieldbus logic) |
| Station Distances | Up to 500 m (125 kbaud) / 250 m (250 kbaud) / 100 m (500 kbaud) |
| Communication Types | Bit strobe, polling, cyclic, change of state (COS) |
| IP Protection Rating | IP65 / IP66 / IP67 (conforms to EN 60529) |
| Operating Temperature | 0 to +55 degC |
| Storage Temperature | -25 to +85 degC |
| Standards & Standards Compliance | EN 60068-2-6 (Vibration) / EN 60068-2-27 (Shock) |
| EMC Immunity / Emission | Conforms to EN 61000-6-2 / EN 61000-6-4 |
| Approvals | CE, UL |
| Shipping Weight (Calculated) | 2.0 kg |
| Connection Type | Connector Specification | Assignment & Purpose |
|---|---|---|
| DeviceNet Bus | M12 plug, 5-pin, A-coded | Standard DeviceNet transceiver interface (Shield, V+, V-, CAN_H, CAN_L) |
| Power Input (Feed) | M8 male, 4-pin | 24 V DC control voltage input and system power supply |
| Power Output (Downstream) | M8 female, 4-pin | Daisy-chain connection to downstream Fieldbus Box modules |
When replacing legacy Beckhoff IP-series boxes, verify the exact DeviceNet master configuration files (.EDS). The IP2401-B520 has built-in baud rate auto-negotiation, but static master settings may require hardcoded speed adjustments via your controller software if automatic detection fails to lock during initial handshake cycles.
While the module features IP67 ingress protection, ensure that all unused M12 and M8 ports are sealed with industrial-grade protective caps. Condensation buildup inside open sockets will compromise the internal 500 V electrical isolation between control logic and the physical network transceiver layer, leading to intermittent fieldbus fault codes.
Always wire a dedicated 121-ohm terminating resistor across the CAN_H and CAN_L pins at both physical ends of your DeviceNet segment. If run over long distances (exceeding 100 meters), do not run the bus cables adjacent to high-voltage variable frequency drive (VFD) output cables to avoid noise coupling, despite the EN 61000-6-2 industrial immunity certification.
Before beginning installation, mount replacement, or wiring reconfiguration, verify all 24 V DC control and external load voltages feeding the module are completely de-energized. Failure to isolate power prior to plugging or unplugging M8 and M12 industrial connections can result in pin arcing, contact oxidation, or transceiver degradation.
Mount the Fieldbus Box to a flat, vibration-damped surface using M4 screws. Ensure the mounting position permits visual inspection of status LEDs.
Connect the DeviceNet communication cable to the 5-pin M12 connector. Tighten the connector hand-tight to ensure an IP67 seal; do not use pliers.
Route the 24 V DC control power source into the M8 input plug. If routing power to multiple boxes in a chain, link the M8 output receptacle to the next module's input.
Verify DeviceNet node addressing through your configuration software and commission the network to test automatic baud rate detection.
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Returns & Warranty
Manufacturer: BECKHOFF
Product No.: IP2401-B520
Country of origin:Germany
Product Type: Fieldbus Box Modules
Payment: T/T, Western Union
Weight: 500g
Dimensions: 2 x 2 x 0.25 mm
Shipping port: Xiamen
Warranty: 12 months
For processing decentralized I/O signals directly on machinery, the Beckhoff IP2401-B520 Fieldbus Box serves as a ruggedized DeviceNet interface module. This IP67-rated unit bypasses the need for protective control cabinets by mounting directly within harsh processing environments. It features automated transmission rate configuration and direct integration with DeviceNet networks via industrial M12 cabling. The device manages internal logic execution and signal routing, enabling efficient, low-latency control architecture in distributed automation systems.
| Manufacturer | Beckhoff |
| Model Identifier | IP2401-B520 |
| Fieldbus Interface | 1 x M12 plug, 5-pin |
| Data Transfer Rates | Automatic detection up to 500 kbaud |
| Transmission Medium | Shielded copper cable, with power supply, typ. 2 x 2 x 0.25 mm² |
| Control Supply Voltage | 24 V DC (-15 % / +20 %) |
| Power Supply Connections | Feed: 1 x M8 male, 4-pin; Downstream: 1 x M8 female, 4-pin |
| Box Current Consumption | 45 mA + sensor current load (maximum 0.5 A) |
| Electrical Isolation | 500 V (Control voltage to fieldbus logic) |
| Station Distances | Up to 500 m (125 kbaud) / 250 m (250 kbaud) / 100 m (500 kbaud) |
| Communication Types | Bit strobe, polling, cyclic, change of state (COS) |
| IP Protection Rating | IP65 / IP66 / IP67 (conforms to EN 60529) |
| Operating Temperature | 0 to +55 degC |
| Storage Temperature | -25 to +85 degC |
| Standards & Standards Compliance | EN 60068-2-6 (Vibration) / EN 60068-2-27 (Shock) |
| EMC Immunity / Emission | Conforms to EN 61000-6-2 / EN 61000-6-4 |
| Approvals | CE, UL |
| Shipping Weight (Calculated) | 2.0 kg |
| Connection Type | Connector Specification | Assignment & Purpose |
|---|---|---|
| DeviceNet Bus | M12 plug, 5-pin, A-coded | Standard DeviceNet transceiver interface (Shield, V+, V-, CAN_H, CAN_L) |
| Power Input (Feed) | M8 male, 4-pin | 24 V DC control voltage input and system power supply |
| Power Output (Downstream) | M8 female, 4-pin | Daisy-chain connection to downstream Fieldbus Box modules |
When replacing legacy Beckhoff IP-series boxes, verify the exact DeviceNet master configuration files (.EDS). The IP2401-B520 has built-in baud rate auto-negotiation, but static master settings may require hardcoded speed adjustments via your controller software if automatic detection fails to lock during initial handshake cycles.
While the module features IP67 ingress protection, ensure that all unused M12 and M8 ports are sealed with industrial-grade protective caps. Condensation buildup inside open sockets will compromise the internal 500 V electrical isolation between control logic and the physical network transceiver layer, leading to intermittent fieldbus fault codes.
Always wire a dedicated 121-ohm terminating resistor across the CAN_H and CAN_L pins at both physical ends of your DeviceNet segment. If run over long distances (exceeding 100 meters), do not run the bus cables adjacent to high-voltage variable frequency drive (VFD) output cables to avoid noise coupling, despite the EN 61000-6-2 industrial immunity certification.
Before beginning installation, mount replacement, or wiring reconfiguration, verify all 24 V DC control and external load voltages feeding the module are completely de-energized. Failure to isolate power prior to plugging or unplugging M8 and M12 industrial connections can result in pin arcing, contact oxidation, or transceiver degradation.
Mount the Fieldbus Box to a flat, vibration-damped surface using M4 screws. Ensure the mounting position permits visual inspection of status LEDs.
Connect the DeviceNet communication cable to the 5-pin M12 connector. Tighten the connector hand-tight to ensure an IP67 seal; do not use pliers.
Route the 24 V DC control power source into the M8 input plug. If routing power to multiple boxes in a chain, link the M8 output receptacle to the next module's input.
Verify DeviceNet node addressing through your configuration software and commission the network to test automatic baud rate detection.
Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Country of origin |
Germany
|
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