EL1104

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The EL1104 EtherCAT terminal offers 4 inputs for 2-/3-wire connections, operates within a nominal voltage of 24 V DC (-15%/+20%), and consumes a typical 90 mA on the e-bus. Part of the EL EtherCAT Terminals series by Beckhoff, it features IP20 protection and supports operating temperatures from -25°C to +60°C.

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Product Description:

The EL1104 EtherCAT Terminal made by Beckhoff is a dependable solution for industrial workplaces.

The terminal provides 4 input channels that accept 2-wire as well as 3-wire connection protocols to accommodate diverse application needs. The terminal works well with conventional automation platforms since it complies with EN 61131-2 type 1/3. The EL1104 supports various industrial power infrastructures by operating at a nominal voltage of 24 V DC while accepting power inputs between -15% and +20% of this value. This device supports "0" signal voltages between -3 to +5 V while "1" signal voltages fall between 11 to 30 V, therefore providing compatibility with multiple devices. The device carries out its input function using a 3 mA current as outlined by EN 61131-2 type 3 norms for power conservation and signal precision. The input filter utilizes standard settings of 3.0 ms to remove high-frequency noise along with signal fluctuations for maintaining stable processing operations. The terminal allows switching frequencies of 100 Hz to provide rapid signal processing suitable for time-critical automation system applications.

As the E-bus requires about 90 mA of current, whereas power connections only need 2 mA + load current, low power consumption happens during operation. The terminal may be used industrially in a variety of environmental circumstances since it functions effectively at temperatures ranging from -25°C to +60°C. With an IP20 protection grade, the gadget is shielded against dust from the environment and unwanted touch with its internal components. It protects the input with an overvoltage limit of ±30 V that strengthens its protection capabilities against sudden voltage changes. It can be purchased at Wake Industrial with a one-year warranty.

Connection Technology
2-/3-wire
Current Consumption (e-bus)
typ. 90 mA
Current Consumption (power Contacts)
typ. 2 mA + load
Input Current
typ. 3 mA (EN 61131-2, type 3)
Input Filter
typ. 3.0 ms
Nominal Voltage
24 V DC (-15%/+20%)
Number Of Inputs
4
Operating Temperature
-25…+60°C
Overvoltage Protection
±30 V
Protection Rating
IP20
Signal Voltage '0
-3…+5 V (EN 61131-2, type 3)
Signal Voltage '1
11…30 V (EN 61131-2, type 3)
Special Features
4 inputs for 2- and 3-wire connection
Specification
EN 61131-2, type 1/3
Switching Frequency
Up to 100 Hz

Frequently Asked Questions about EL1104:

Q: How many input channels does the EL1104 terminal provide?

A: The EL1104 offers 4 digital input channels and supports both 2-wire and 3-wire connections, offering flexibility for various field devices.

Q: What signal types can the EL1104 handle?

A: It accepts "0" signals from -3 to +5 V and "1" signals from 11 to 30 V, making it compatible with a range of industrial input devices.

Q: Which standards does the EL1104 comply with?

A: The EL1104 adheres to EN 61131-2 type 1 and type 3 standards, ensuring robust compatibility with industrial automation systems.

Q: Is the EL1104 suitable for industrial environments?

A: Yes, with an IP20 rating and an operating temperature range of -25°C to +60°C, the EL1104 performs reliably in industrial conditions.

Q: What kind of protection is built into the EL1104?

A: The EL1104 includes ±30 V overvoltage protection to safeguard input channels from unexpected electrical surges.


Internal Product Review

  • ‘‘The EL1104 from Beckhoff is a solid digital input module ideal for standard industrial environments. Its adaptability, noise filtering, and dependable build quality make it a practical addition to modern automation architectures.’’

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