EP1809-0021 | Beckhoff EtherCAT Box 16-Channel Digital Input, 24 V DC, 3 ms, M8
Beckhoff · Industrial Automation & Electrical
Description The Beckhoff EP1809-0021 is a rugged EtherCAT I/O Box featuring 16 digital inputs with 24 V DC operation and a 3 ms input filter. Equipped with M8 connectors and protected to IP65/66/67 standards, it provides reliable signal acquisition in harsh industrial environments with LED status indication and short-circuit-proof sensor supply. Technical Specifications Condition New/Never Used Surplus Brand Beckhoff Category Industrial Automation Part Number EP1809-0021 Subcategory EtherCAT Digital Input Box Protocol EtherCAT Bus Interface 2 × M8 socket, 4-pin, a-coded, shielded Specification Standard EN 61131-2, type 1/3 Number of Inputs 16 Input Connections M8 × 1, 3-pin, a-coded Nominal Input Voltage 24 V DC (-15% / +20%) Input Filter 3.0 ms Distributed Clocks Not supported Power Supply Connection Feed: 1 × M8 male socket; Downstream: 1 × M8 female socket (both 4-pin, a-coded) Sensor Supply From control voltage (US), max. 0.5 A total, short-circuit proof Current Consumption (US) Typ. 130 mA Electrical Isolation 500 V (E-bus/field potential) Protection Rating IP65 / IP66 / IP67 Material PA6 (polyamide) industrial housing Mounting Type Direct machine or cabinet mounting Operating Temperature -25°C to +60°C Storage Temperature -40°C to +85°C Relative Humidity Up to 95%, non-condensing Dimensions (W × H × D) 60 mm × 126 mm × 26.5 mm Weight 250 g (approx. 0.55 lbs) Approvals/Markings CE, UL Information About EP1809-0021 The Beckhoff EP1809-0021 EtherCAT Box is a 16-channel digital input module designed for decentralized installation directly in the field. It transmits binary control signals from the process level to the controller with electrical isolation and high reliability. Its 3.0 ms input filter is optimized for mechanical and electronic signals, providing hardware-based debouncing for stable signal acquisition. All connections are made via M8 screw-type connectors, ensuring robust and secure field wiring. With an IP65/66/67 protection rating, the EP1809-0021 withstands exposure to dust, water, and vibration, making it ideal for use in industrial automation, machinery, and outdoor applications. Additionally, the integrated LED indicators on each channel provide immediate visual feedback for operational status and troubleshooting. Key Features: 16 Digital Inputs: Compact module for capturing binary signals directly from the process level. 24 V DC Operation: Standard industrial voltage ensures compatibility with common sensors and control devices. M8 Connectivity: Features 16 M8 input connectors and 2 M8 sockets for EtherCAT bus and power connections. Input Filter 3.0 ms: Provides debouncing for mechanical and electronic signals to ensure signal stability. Short-Circuit Proof Sensor Supply: Integrated 0.5 A output for powering connected sensors safely. Electrical Isolation: 500 V isolation between I/O and system bus for safe and reliable operation. LED Diagnostics: Each input channel includes LED status indication for active signal monitoring. Compact Industrial Design: Only 26.5 mm thick, suitable for installation in tight control spaces. High Protection Class: IP65/66/67 housing resists dust, moisture, and environmental stress. Durable Material: Constructed from reinforced PA6 polyamide for mechanical and chemical resistance. The EP1809-0021 delivers the reliability and precision required for distributed signal acquisition, industrial I/O applications, and robust EtherCAT-based automation networks.
Brand: Beckhoff · Category: Industrial Automation & Electrical
Key features
- 16 Digital Inputs: Compact module for capturing binary signals directly from the process level.
- 24 V DC Operation: Standard industrial voltage ensures compatibility with common sensors and control devices.
- M8 Connectivity: Features 16 M8 input connectors and 2 M8 sockets for EtherCAT bus and power connections.
- Input Filter 3.0 ms: Provides debouncing for mechanical and electronic signals to ensure signal stability.
- Short-Circuit Proof Sensor Supply: Integrated 0.5 A output for powering connected sensors safely.
- Electrical Isolation: 500 V isolation between I/O and system bus for safe and reliable operation.
- LED Diagnostics: Each input channel includes LED status indication for active signal monitoring.
- Compact Industrial Design: Only 26.5 mm thick, suitable for installation in tight control spaces.
- High Protection Class: IP65/66/67 housing resists dust, moisture, and environmental stress.
- Durable Material: Constructed from reinforced PA6 polyamide for mechanical and chemical resistance.
Specifications
| Manufacturer part number | EP1809-0021 |
|---|---|
| Condition | New/Never Used Surplus |
| Brand | Beckhoff |
| Category | Industrial Automation |
| Part Number | EP1809-0021 |
| Subcategory | EtherCAT Digital Input Box |
| Protocol | EtherCAT |
| Bus Interface | 2 × M8 socket, 4-pin, a-coded, shielded |
| Specification Standard | EN 61131-2, type 1/3 |
| Number of Inputs | 16 |
| Input Connections | M8 × 1, 3-pin, a-coded |
| Nominal Input Voltage | 24 V DC (-15% / +20%) |
| Input Filter | 3.0 ms |
| Distributed Clocks | Not supported |
| Power Supply Connection | Feed: 1 × M8 male socket; Downstream: 1 × M8 female socket (both 4-pin, a-coded) |
| Sensor Supply | From control voltage (US), max. 0.5 A total, short-circuit proof |
| Current Consumption (US) | Typ. 130 mA |
| Electrical Isolation | 500 V (E-bus/field potential) |
| Protection Rating | IP65 / IP66 / IP67 |
| Material | PA6 (polyamide) industrial housing |
| Mounting Type | Direct machine or cabinet mounting |
| Operating Temperature | -25°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Relative Humidity | Up to 95%, non-condensing |
| Dimensions (W × H × D) | 60 mm × 126 mm × 26.5 mm |
| Weight | 250 g (approx. 0.55 lbs) |
| Approvals/Markings | CE, UL |
| Product type | EtherCAT Digital Input Box |
Contact Safety Shops for pricing, delivery and project support in the UAE.