EL1252-0050

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The EL1252-0050 is a 12 mm wide DIN rail mounted digital input terminal with two 24 V DC inputs. Manufactured by Beckhoff as part of the EL EtherCAT Terminals series, it supports EtherCAT Bus Interface and ensures safe input monitoring up to SIL 3 standards. It features push-in connectors and operates between 0 to 55°C.

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Product Description:

The EL1252-0050 EtherCAT terminal crafted by Beckhoff is typically a digital input terminal with distributed clocks. This terminal receives binary control signals featuring a 5 V rating and transmits them to the controller with electrical isolation. The product’s design highlights two channels to depict the signal state. This device deploys XFC technology to trace the signal characteristics. The unit portrays synchronized operation and is ideal for signals with very low input delay. It encompasses a compact terminal polycarbonate housing. This terminal can cause environmental damage if its operating instructions are not followed.

The product installation is done on a DIN rail in a horizontal position. This device’s connection surfaces must face forward during installation. The unit is a passive terminal if it is not used for data transfer. Its control cabinet should encompass a minimum IP 54 protection class. This terminal must have a proper protective earth connection. The product’s LEDs are off when the inputs have no signal. This device is configured using the TwinCAT system manager. It may be needed to incorporate separation terminals for isolating the potentials on the power contacts.

This terminal encompasses no firmware to support its operation. The product’s operation is done like an EtherCAT slave that stores operating data in three locations. This device’s input data is organized into two groups. The unit-related unused channel must be deactivated to prevent error messages from being displayed. It produces a timestamp indicating the last falling or rising edge of its channel. This EtherCAT terminal supports side-by-side mounting using a key connection and double slot.

Approvals
CE, cULus, TÜV
Bus Interface
EtherCAT Terminal
Connection
Push-in (spring-loaded) connectors
Current Consumption
Typically 110 mA (from E-bus); max. 2.5 mA (load, each channel)
Input Signal Type
2-channel, single-ended or up to 2 individually monitored contacts
Module Diagnostics
Short circuit, open circuit, cross-circuit detected
Mounting
DIN rail
Number Of Inputs
2 (digital, 24 V DC)
Operating Temperature
0...55°C
Safe Outputs
None (input terminal only)
Safety Function
Safe input monitoring (up to Cat 4/PL e per EN ISO 13849-1, SIL 3 per IEC 61508/62061)
Voltage Range
24 V DC (-15%/+20%)
Width
12 mm

Frequently Asked Questions about EL1252-0050:

Q: What is the time resolution of the signals of the EL1252-0050 terminal?

A: The time resolution of the signals of the EL1252-0050 terminal is 1 ns.

Q: What is the operating temperature of the EL1252-0050 terminal?

A: The operating temperature of the EL1252-0050 terminal is 0 °C to 55 °C.

Q: What is the recommended installation position of the EL1252-0050 terminal?

A: The recommended installation position of the EL1252-0050 terminal is horizontal.

Q: How many pins does the EL1252-0050 terminal have?

A: The EL1252-0050 terminal has eight pins.

Q: What is the connection technology of the EL1252-0050 terminal?

A: The EL1252-0050 terminal deploys four-wire connection technology.


Internal Product Review

  • ‘‘The EL1252-0050 terminal supports connection with different types of wires. It has a rugged polycarbonate housing. The terminal is secured in place on a 35 mm DIN rail by a locking action.’’

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