EL1202-0100

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The Beckhoff EL1202-0100, a member of the EL EtherCAT Terminals series, features two digital isolated inputs with input connections of 2 x 2-pin. It operates on a 24 V DC input voltage and consumes 25 mA from the K-bus. The terminal is IP20 rated and handles signal voltages '0' at 0–5 V and '1' at 15–30 V.

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Product Description:

EL1202-0100 is a Beckhoff EtherCAT terminal with two-channel digital input. It acts as an interface between control signals and the higher-level automation equipment. The terminal acquires digital inputs while providing isolation. Status LEDs are provided for indicating the signal state of the two channels on the terminal. The terminal support XFC distributed clock technology. This feature allows acquisition of input signals in sync with other data connected to distributed clock terminals. Special features supported for the terminal include low input delay and fast switching times (less than 1 microsecond). Connection technology supported by the EL1202-0100 terminal is 4-wire. The nominal input voltage is 24 Volts DC. The specified voltage range for the low signal level is from -3 to 5 Volts and that for the high signal level is from 11 to 30 Volts.

The typical input incurrent is 3 milliamps and the input filter delay is less than 1 microsecond. Precision for distributed clocks, when activated, is much less than 1 microsecond. Weight of the unit is 55 grams. Its dimensions are approximately 12 x 100 x 68 millimeters. The terminal mounts on 35 millimeter DIN rail that is compliant with EN 60715. The polycarbonate housing is IP20 rated. The optimal temperature range for terminal operation is from -25 to 60 degrees Celsius. The optimal temperature range for terminal storage is from -40 to 85 degrees Celsius. Relative humidity near the unit must not be more than 95%. The terminal is approved by CE, UL, ATEX, and CCC. Multiple terminals can be mounted side by side using a slot and key mechanism. Solid and flexible copper conductors can be used for terminal wiring.

Current Consumption E-bus
50 mA
Current Consumption K-bus
25 mA
Input Connections
2 x 2-pin
Input Current
3 mA (typical)
Input Filter
3.0 ms
Input Impedance
approx. 8.2 kΩ
Input Type
Digital isolated
Input Voltage
24 V DC (-15%/+20%)
Number Of Digital Inputs
2
Operating/storage Temperature
0…55 °C/-25…+85 °C
Protection Class
IP20
Signal Voltage '0
0…5 V (EN 61131-2, Type 1/3)
Signal Voltage '1
15…30 V (EN 61131-2, Type 1/3)

Frequently Asked Questions about EL1202-0100:

Q: What is the maximum relative humidity?

A: The maximum permitted relative humidity is 95%.

Q: Is side by side mounting possible?

A: Side by side mounting is possible.

Q: Where can you install the terminal?

A: The terminal installs on a 35 mm DIN rail.

Q: What is the weight of the unit?

A: Weight of the unit is 55 g.

Q: What is the wire stripping length?

A: The wire stripping length is 8 to 9 millimeters.


Internal Product Review

  • ‘‘EL1202-0100 is a compact EtherCAT input terminal. It supports 4-wire connection technology. The terminal provides a method for isolated interfacing of input signals. ’’

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