EL1872
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MPN: EL1872-0000
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The EL1872 is a compact EtherCAT Terminal with a nominal voltage of 24 V DC (-15%/+20%) and a weight of approximately 60 g. Manufactured by Beckhoff within the EL EtherCAT Terminals series, it features 16 inputs and complies with the EN 61131-2, Type 1/3 specification. The terminal includes an input filter of 10 µs.
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Product Description:
Beckhoff developed the EL1872 Digital input EtherCAT Terminal is a compact I/O module that provides 16 digital input channels for industrial automation. Because it uses a flat-ribbon cable connection, the terminal is easy to integrate into control cabinets and simplifies channel wiring.
With a nominal voltage of 24 V DC and a tolerance of -15% to +20%, the EL1872 digital input EtherCAT terminal has sixteen digital inputs. A maximum rated current of 1 A is supported by each of the connection pins. The digital input terminal's quick input filter enables fast signal processing, typically with a reaction time of 10 µs. If the input voltage is between -3 and +5 V, the signal is considered a "0," and if it is between 11 and 30 V, the signal is considered a "1". No address or configuration settings are required, and the process image has a bit width of 16 inputs. The temperature range for the terminal is -25°C to +85°C for keeping and 0°C to 55°C for use. The housing is ideal because it is IP20 rated and can be installed in a variety of locations. LEDs placed into each channel indicate the signal condition at any moment.
The EL1872 terminal has certifications from CE, CCC, UL, ATEX, and IECEx, which means it satisfies criteria for protection and compliance. In accordance with EN 60715, the terminal's polycarbonate enclosure allows it to be placed on a 35 mm DIN rail. At 500 V, the E-bus and field potential are electrically isolated. For tasks involving efficient wiring in automation systems and dependable digital input acquisition, this input terminal is suitable due to its direct connection technology and quick input response.
Frequently Asked Questions about EL1872:
Q: Why does EL1872 use a flat-ribbon cable connection?
A: Flat-ribbon cable connection on the EtherCAT terminal simplifies wiring of multiple channels that allows secure and efficient installation in control cabinets.
Q: Does EL1872 support electrical isolation between circuits?
A: The EtherCAT terminal provides 500 V electrical isolation between the E-bus and field potential that enhances system safety and signal integrity.
Q: Why is the input filter set at 10 µs for EL1872?
A: A 10 µs input filter in the terminal ensures fast signal processing that is essential for applications requiring rapid digital input response.
Q: How does EL1872 indicate channel signal states?
A: The terminal uses integrated LEDs for each channel that provide visual feedback of signal states for quick diagnostics and monitoring.
Q: Do EL1872 terminals require an address or configuration settings?
A: The terminal requires no address or configuration settings that simplifies installation and reduces setup time in automation systems.
