Description
The Beckhoff IL2302-B518 is a rugged I/O coupler box with 4 digital inputs and 4 digital outputs for CANopen networks. Operating at 24 V DC with 3 ms input filtering, it features M12 connections, individually short-circuit-proof outputs, and an integrated T-connector, ensuring robust field-level connectivity in industrial automation environments.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Beckhoff |
| Category |
Industrial Automation |
| Part Number |
IL2302-B518 |
| Subcategory |
I/O Coupler Box |
| Technology Standard |
EN 61131-2, Type 2 |
| Number of Channels |
4 digital inputs + 4 digital outputs |
| Fieldbus Protocol |
CANopen |
| Input Filter |
3.0 ms |
| “0” Signal Voltage |
-3…+5 V |
| “1” Signal Voltage |
11…30 V |
| Input Current |
6 mA (EN 61131-2, Type 2) |
| Load Type |
Ohmic, inductive, lamp load |
| Rated Load Voltage |
24 V DC (-15% / +20%) |
| Max. Output Current |
0.5 A per channel (short-circuit proof) |
| Short-Circuit Current |
Typ. 1.5 A |
| Sensor Supply |
From control voltage, max. 0.5 A total (short-circuit proof) |
| Auxiliary Power Current |
Typ. 20 mA |
| Bit Width in Process Image |
4 inputs + 4 outputs |
| Electrical Isolation |
No isolation between channels or control voltage; depends on bus system |
| Connection Type (Inputs/Outputs) |
M12 screw-type connectors |
| Power Supply Connection |
Feed: M8 male socket, 4-pin, a-coded; Downstream: M8 female socket, 4-pin, a-coded |
| Special Features |
Integrated T-connector, IP-Link coupler |
| Protection Rating |
IP67 (field-mountable) |
| Operating Voltage Range |
18…30 V DC |
| Operating Temperature |
-25°C to +60°C |
| Storage Temperature |
-40°C to +85°C |
| Approvals/Markings |
CE, UL |
| Weight |
1.00 lbs (approx. 450 g) |
Information About IL2302-B518
The IL2302-B518 is part of Beckhoff’s Field I/O series and serves as a CANopen-based coupler box combining both input and output capabilities in a single compact module. With four digital inputs and four digital outputs, it enables efficient signal acquisition and control at the machine level. Designed for 24 V DC operation, it provides reliable I/O processing with an input filter of 3 ms for noise suppression. The unit’s short-circuit-proof outputs and integrated M12 screw-type connectors allow secure and easy field wiring. Its integrated T-connector simplifies power distribution, while its IP67-rated housing ensures durability in demanding industrial environments.
Key Features:
- Dual I/O Functionality: Combines four digital inputs and four digital outputs in one module for compact field control.
- CANopen Communication: Ensures seamless integration with CANopen-based automation networks.
- Short-Circuit Protection: Each output channel is individually short-circuit-proof, enhancing system reliability.
- Integrated T-Connector: Simplifies wiring and power distribution between modules.
- Rugged Industrial Design: IP67-rated housing withstands vibration, dust, and moisture exposure.
- High Signal Integrity: 3 ms input filter ensures stable operation and noise immunity.
- M12 and M8 Connectivity: Standard industrial connectors ensure fast, tool-free installation.
- Efficient Voltage Handling: Operates safely within a 24 V DC range, compatible with most control systems.
The IL2302-B518 delivers the reliability and precision required for decentralized I/O control, machine integration, and distributed CANopen field applications.
