Beckhoff EL6731 Digital Input Module

Price Negotiable

Price: Negotiable

MOQ: 1 pcs

Delivery Time: 5-7 days

Brand: Beckhoff

Product Description

I. Core Specifications (Official Parameters) Beckhoff

Parameter Item	Value
Model	Beckhoff EL6731
Type	PROFIBUS Master / Slave EtherCAT Terminal
Number of Channels	1 Channel Communication Interface
Supported Protocols	PROFIBUS DP, DP-V1, DP-V2, PROFIBUS MC (Isochronous Synchronization)
Transmission Rate	9.6 kbaud … 12 Mbaud (Adaptive)
Maximum Number of Slaves	125
Single Slave Data	Maximum 244 bytes (Input / Output / Parameter / Diagnostics)
Process Image	Maximum 1.4 kByte each for Input / Output
Interface	1 × 9-pin D-sub Female, Electrically Isolated
Isolation Voltage	500 V (E-bus / Field Potential)
E-bus Current	Typical 200 mA
Distributed Clock	Supported (Master Mode)
Diagnostics	LED Status Indicator + Software Diagnostics
Weight	Approx. 70 kg
Dimensions	12 mm × 100 mm × 68 mm
Operating Temperature	-25 … +60 °C
Protection Rating	IP20
Certifications	CE, UL, ATEX, IECEx, etc.

II. Functions and Features

Flexible Master/Slave Switching: Configurable as a PROFIBUS master (control network) or slave (access to upper-level networks).
Full Protocol Support: Compatible with DP, DP-V1 (non-periodic/alarm), and DP-V2 (isochronous synchronization), adaptable to both new and old equipment.
High-Speed Real-Time: Minimum cycle time 200 μs, supports high-precision isochronous synchronization (PROFIBUS MC), suitable for multi-axis motion control.
Powerful Diagnostics: LED status + process image diagnostics, supports single-slave error management and automatic GSD file recognition.
No PCI Slot Required: Access via EtherCAT, saving industrial PC space and enabling more flexible deployment.

III. Typical Applications

EtherCAT system integration with PROFIBUS devices (inverters, servos, sensors, etc.)
Interoperability between new and old bus systems
Multi-axis synchronous motion control (e.g., packaging, printing, robotics)