Dikonfigurasi untuk komunikasi ControlNet redundan dalam rakitan I/O terdistribusi FLEX XT, Allen‑Bradley 1794‑ACNR15XT (modul adaptor 1794‑ACNR15XT) menyediakan eksekusi fisik langsung untuk pensinyalan jaringan koaksial, pengalamatan node, dan distribusi daya FlexBus di seluruh platform ControlNet V1.5.
Spesifikasi Perangkat Keras
Parameter
Spesifikasi
Model
1794‑ACNR15XT
Merek
Allen‑Bradley
Asal
AS
Berat
0.2 kg
Dimensi
9.7 cm × 8.9 cm × 7.1 cm (3.8 in × 3.5 in × 2.8 in)
Suhu Pengoperasian
-25 derajat C hingga 70 derajat C
Suhu Penyimpanan
-40 derajat C hingga 85 derajat C
Konsumsi Daya
3.4 W hingga 7.3 W
Tegangan Masukan
24 VDC nominal
Rentang Tegangan
19.2 VDC hingga 31.2 VDC
Konsumsi Arus
Maks. 400 mA @ 24 VDC
Keluaran FlexBus
Maks. 640 mA @ 5 VDC
Tegangan Isolasi
50 V kontinu (isolasi dasar)
Protokol
ControlNet V1.5
Laju Data
5 Mbps
Kanal Jaringan
BNC ganda (A/B)
Pengalamatan Node
Sakelar putar, 01–99
Kapasitas Modul
Hingga 8 modul I/O FLEX
Kelas Enklosur
IP20, tipe terbuka
Pemasangan
Rel DIN 35 mm atau pemasangan panel
Pertimbangan Jaringan Deterministik Profinet / EtherNet/IP
Meskipun 1794‑ACNR15XT dikhususkan untuk ControlNet, perilaku media terjadwal tetapnya pada 5 Mbps selaras dengan persyaratan pewaktuan deterministik yang terdapat pada sistem EtherNet/IP dan Profinet. Redundansi kanal ganda mengurangi jitter dan penundaan sinkronisasi ulang selama gangguan media, sementara penskalaan kepadatan I/O FlexBus memastikan interval pembaruan yang dapat diprediksi di seluruh arsitektur dengan protokol campuran. Kompatibilitas flash firmware dalam rakitan FLEX XT mempertahankan pengoperasian yang stabil pada kondisi suhu yang diperluas.
Pertanyaan Umum
T: Apakah 1794‑ACNR15XT dapat ditukar saat sistem beroperasi dalam rakitan FLEX XT yang dialiri daya? J: Ya. FLEX XT mendukung pemasangan/pelepasan modul saat bertegangan, meskipun status tautan ControlNet mungkin perlu tersambung kembali sesaat.
T: Apakah redundansi kanal ganda mengharuskan kedua konektor BNC disambungkan? J: Ya. Pengoperasian redundan bergantung pada konektivitas lengkap Kanal A dan Kanal B.
T: Apakah pengalamatan node memerlukan siklus daya? J: Ya. Perubahan sakelar putar hanya berlaku setelah modul dimatikan dan dinyalakan kembali.
Panduan Instalasi Lapangan
Pertahankan torsi yang benar pada konektor BNC untuk menjaga impedansi 75 ohm.
Jauhkan kabel koaksial dari konduktor berenergi tinggi untuk mengurangi derau induksi.
Pastikan pemasangan yang tepat pada dudukan terminal FLEX XT sebelum mengalirkan daya.
Hindari tekukan tajam pada kabel koaksial untuk menjaga integritas sinyal.
Pastikan kondisi lingkungan memenuhi persyaratan pelapisan XT untuk ketahanan terhadap kelembapan dan korosi.
Topbrands collaborates with over 50 countries worldwide. As a leading supplier in China, we can provide significant discounts to customers based on market demand.
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Topbrands PLC Limited is a top supplier of genuine new PLC and DCS parts, serving over 50 countries globally. We offer high-quality products from renowned brands like Bently Nevada, Honeywell, ABB, and more. With our warehouse in China stocking up to 30,000 pieces, we ensure rapid delivery to meet urgent order needs while maintaining competitive pricing to save our customers' budgets. Learn more...