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Categories: 모든 카테고리

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Beckhoff EL1904 | EtherCAT Terminal 4× DI 24V DC, 2ms Filter, 1-Wire, IP20 — Safety-Related Option Available

모든 제품

앨런 브래들리 PLC 컨트롤러 (103)

페퍼 룩스 안전 장벽 (139)

mtl 안전 장벽 (69)

E & H 기기 (116)

로즈마운트 PH 센서 (61)

벤티 네바다 근접 탐사선 (48)

IFM 센서 (35)

ASCO 밸브 (20)

요코가와 악기 (150)

HONEYWELL 송신기 (27)

SICK 기구 (44)

페스토 실린더 (79)

EMERSON TREX 장치 통신기 (3)

시멘스 PLC 제품 (108)

SMC 기기 (16)

ABB 포지셔너 (59)

WAGO 커넥터 (31)

VEGA 기구 (233)

제가 지금 온라인 채팅 해요

인증

"ACH는 믿을 수 있는 파트너임을 증명했습니다. 그들의 제품은 정품이며 품질이 우수하고, 경쟁력 있는 가격과 정시 배송을 제공합니다. 우리는 자동화 분야의 장기적인 공급업체로 그들을 신뢰합니다."

—— 모하메드 알-파르시, 구매

"저희에게 비용 효율성과 진정성은 핵심입니다. ACH는 비용 절감과 동시에 믿을 수 있는 품질과 적시 공급을 보장하여 운영의 강력한 파트너가 됩니다."

—— 구매 관리자

"저희에게 비용 효율성과 진정성은 핵심입니다. ACH는 비용 절감과 동시에 믿을 수 있는 품질과 적시 공급을 보장하여 운영의 강력한 파트너가 됩니다."

—— 공급망 이사

"ACH는 신속한 대응, 유연한 솔루션, 공정한 가격을 제공합니다. 제품은 항상 정품이며 신뢰할 수 있으며, 친절한 지원 덕분에 협업이 원활합니다."

—— 운영 관리자

"ACH는 안정적 인 품질과 공정한 가격으로 정품 제품을 제공합니다. 그들의 빠른 응답과 신뢰할 수있는 배달은 그들과 계속 협력 할 수있는 자신감을줍니다".

—— 엔지니어링 매니저

"ACH는 일관된 품질과 경쟁력 있는 가격을 제공하여 저희에게 가치를 줍니다. 납품은 항상 믿을 수 있으며, 전문적인 지원 덕분에 저희 팀은 구매 업무를 훨씬 수월하게 처리할 수 있습니다."

—— 구매 부서장

Beckhoff EL1904 | EtherCAT Terminal 4× DI 24V DC, 2ms Filter, 1-Wire, IP20 — Safety-Related Option Available

큰 이미지 : Beckhoff EL1904 | EtherCAT Terminal 4× DI 24V DC, 2ms Filter, 1-Wire, IP20 — Safety-Related Option Available 최고의 가격

제품 상세 정보:

원래 장소:	드
브랜드 이름:	BECKHOFF
인증:	ATEX
모델 번호:	EL1904 0000
문서:	ACH-AB-P+F-E+H-IFM-ASCO-YOK...WA.pdf

결제 및 배송 조건:

최소 주문 수량:	1
가격:	협상 가능
포장 세부 사항:	판지 상자
배달 시간:	협상 가능
지불 조건:	T/T, XT, 알리페이
공급 능력:	달 당 100pcs

상세 제품 설명

전원공급장치:

주변 온도:

전기 등급:

강조하다:

EtherCAT Terminal 4× DI 24V DC

Beckhoff EL1904 safety-related option

IP20 EtherCAT Terminal 2ms Filter

Beckhoff EL1904 | EtherCAT Terminal 4× DI 24V DC, 2ms Filter, 1-Wire, IP20 — Safety-Related Option Available

Beckhoff EL1904 EtherCAT digital input terminal — 4 × 24 V DC inputs (IEC 61131-2 Type 1/3), 2 ms filter, 500 V isolation, 12 mm width. For use with BK/EK series couplers. EL1904 = std. DI; EL1904 with -xxxx safety option = safe DI per EN ISO 13849-1.

Product Overview

The Beckhoff EL1904 (Art. No. EL1904 | often quoted as EL1904-0000 meaning no special option / standard version) is an EtherCAT digital input terminal providing four electrically isolated 24 V DC inputs (sink/source — Type 1 / Type 3 per IEC 61131-2) for connection to the Beckhoff EtherCAT I/O system (EK1100 coupler or CX series embedded PCs with E-bus). Each input has a 2 ms (typical) debounce filter and the terminal draws its logic power from the E-bus (no external 24 V auxiliary needed for electronics). Signals are scanned at EtherCAT cycle time and transmitted in the process image. The EL1904 occupies 4 bits (1 byte) in the input process image. Width is 12 mm (standard EtherCAT terminal format). Also available as EL1904 with safety option (e.g. EL1904-0000 with -SIL or as EL1904 in TwinSAFE SC context) — base hardware is identical; TwinSAFE functionality is enabled via configuration and FSoE (Fail Safe over EtherCAT) when used with EL6910 or other TwinSAFE Logic Terminals.

Technical Specifications (Electrical & I/O)

Parameter	Specification
Article / Order Code	EL1904-0000 (EL1904 standard digital input terminal, no option — "0000" = default)
Series	Beckhoff EtherCAT I/O — EL Series (E-bus coupler compatible)
Number of Channels	4 × Digital Input (DI), 24 V DC
Input Type	IEC 61131-2 Type 1 / Type 3 — Sink (NPN) or Source (PNP) wiring accepted (common 0 V or +24 V per channel group)
Rated Input Voltage	24 V DC (Range 15 … 30 V DC)
Logic Level "1" (ON)	≥ 15 V DC @ typ. 3 mA
Logic Level "0" (OFF)	≤ 5 V DC
Input Current (typ. @ 24 V)	3 mA per active channel
Input Filter Time (Hardware)	Typ. 2 ms (debounce / noise rejection) — software filter settable in TwinCAT (extendable)
Signal Status Display	4 × green LED (input active)
Isolation (Field ↔ E-bus)	500 V (rms) — optical/galvanic

Technical Specifications (Mechanical & System)

Parameter	Specification
Terminal Width	12 mm (standard EtherCAT EL terminal)
Connection Method	Spring-cage (Push-in) — 2 × 4-pin removable terminal block (top row = inputs + 24V sense; bottom = 0V common)
Conductor Size	Solid: 0.08–2.5 mm² / Stranded with ferrule: 0.08–1.5 mm²
Power Supply for Electronics	From E-bus (≤ 90 mW typ.) — no external 24 V aux for terminal logic
Sensor Supply (Optional Use)	User typically wires 24 V DC from external PS to terminal's sensor supply terminals (not consumed by EL1904 — pass-through)
Process Image Size	4 bits (1 byte) input — mapped in TwinCAT automatically
Distributed Clocks	Supported — input timestamping possible when configured
Mounting	35 mm DIN Rail (EN 60715 / TS 35) — snap-on with locking lever
Operating Temp.	0 … +55 °C (storage -25 … +85 °C)
Degree of Protection	IP20 (installed in cabinet)
Weight (Approx.)	55 g
Certifications	CE, UL 508, cULus, EAC, KC, RoHS / REACH
TwinSAFE Capable	Base EL1904 can be used as FSoE Safe Input when paired with TwinSAFE Logic Terminal (EL6910 / EL6900) — requires FSoE license & configuration; hardware itself is not a safety controller

Key Features

Compact 4 DI in 12 mm: High-density EtherCAT I/O — minimizes cabinet width per point vs. older KL series (24 mm).
E-bus Powered Electronics: No auxiliary 24 V wiring to the terminal itself — only field 24 V DC for sensors.
2 ms Debounce Filter: Rejects contact bounce and electrical noise from relays/prox switches — configurable in software for longer filter times.
PNP/NPN Universal: Accepts both sourcing and sinking sensor wiring — one part covers most panel standards.
TwinSAFE FSoE Ready (with Logic Terminal): Same hardware can serve as safe input (up to SIL 3 / PL e) when used in a TwinSAFE FSoE network — no separate safety DI terminal needed for small systems.

Typical Applications

Machine Control I/O Rack: Read limit switches, E-STOP (via safety relay / TwinSAFE), pushbuttons, and prox sensor states into Beckhoff CX or EK1100+E-bus coupler.
Packaging / Converting Lines: High-speed DI acquisition synchronized via EtherCAT Distributed Clocks — suitable for registration marks or encoder Z-pulse (when using EL1262 high-speed DI; EL1904 covers general-purpose DI).
Process Skid Distributed I/O: Compact EtherCAT node near field devices — less wiring vs. central parallel cabling.
TwinSAFE Pilot Projects: Start with EL1904 as standard DI; later activate FSoE inputs with TwinSAFE Logic Terminal — no hardware change needed.

Beckhoff EL1904 | EtherCAT Terminal 4× DI 24V DC, 2ms Filter, 1-Wire, IP20 — Safety-Related Option Available 0

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About ACH

Founded in 2012, ACH is a top-tier distributor of industrial automation products, supplying genuine devices from leading brands like ABB, P+F, E&H, AB, MTL to emerging markets worldwide. Our mission is to provide 100% Genuine products at the most competitive prices, helping customers reduce costs and strengthen their market position.

Frequently Ask & Questions

Are preferential prices available?

Long-term brand partners can get competitive product prices. At the same time, ACH controls the profit per order to 5%, providing the most competitive prices.

Are the Products Genuine OEM Units?

Yes, all products from ACH are certified genuine OEM units. We acquire our inventory through official OEM channels and trusted third-party suppliers, ensuring every item is authentic and reliable.

How will you arrange shipment?

We'll handle the shipping for you. Through our partnerships, we can secure competitive rates with major carriers like FedEx, DHL, TNT, and UPS, ensuring a smooth and cost-effective delivery.

What is the warranty of goods?

One-year Warranty.

How long is the logistics cycle of the product?

Products are divided into spot and futures, and the delivery period of different brands of products is also different. For details, please contact the ACH business manager.

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