The EJ1859 is a combi plug-in module from the EtherCAT range, designed to provide efficient signal management with a combined configuration of 8 digital inputs and 8 digital outputs. This module operates at a nominal voltage of 24 V DC and is engineered for high-density, space-saving applications. Featuring a compact 30 g design, it supports ohmic, inductive, and lamp loads, with outputs capable of handling a maximum current of 0.5 A per channel, ensuring versatile performance in industrial automation tasks.
Features
Combined configuration: 8 inputs and 8 outputs
24 V DC nominal operating voltage
0.5 A output current capacity per channel
Supports ohmic, inductive, and lamp loads
Reverse voltage protection included
EtherCAT plug-in design for high-density integration
Electrical isolation of 500 V between E-bus and field potential
Applications
Distributed industrial automation
High-density sensor and actuator interfacing
Compact machine control cabinets
Motion and process control systems
Technical Specifications
Feature
Specification
Manufacturer
Beckhoff
Channels
8 inputs + 8 outputs
Nominal Voltage
24 V DC (-15% / +20%)
Max. Output Current
0.5 A (per channel)
Input Filter
typ. 3.0 ms
Electrical Isolation
500 V (E-bus/field potential)
Current Consumption
typ. 90 mA (E-bus)
Operating Temperature
-25 to +60 deg C
Weight
approx. 30 g
Installation Guidelines
Mounting: Ensure proper placement in the designated slot for plug-in modules. Consult the system documentation for required installation positions to maintain IP20 rating.
Wiring: Connect field devices according to the terminal mapping provided in the documentation; ensure polarity is respected for the 24 V DC supply.
Protection: Utilize the integrated reverse voltage protection to safeguard against accidental miswiring during installation.
Environment: Ensure the ambient temperature remains within the -25 to +60 deg C range; avoid environments with condensation.
Safety: Verify that the total load connected does not exceed the power supply limitations of the module or the backplane power rail.
FAQ
What is the channel configuration for the EJ1859?
This module features 8 digital inputs and 8 digital outputs.
What is the maximum output current for each channel?
The maximum output current is 0.5 A per channel.
Does the EJ1859 support different load types?
Yes, it supports ohmic, inductive, and lamp loads.
What is the electrical isolation rating?
The module provides 500 V electrical isolation between the E-bus and field potential.
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