Allen‑Bradley 1492‑REC20, juga dikatalogkan sebagai modul soket 1492‑REC20, berfungsi sebagai pemasangan alur keluar AC khusus yang dipasang pada rel DIN untuk membekalkan kuasa utiliti 125 VAC kepada peranti industri yang dipasang pada panel dalam persekitaran kabinet kawalan.
Spesifikasi Perkakasan
Parameter
Spesifikasi
Model
1492‑REC20
Jenama
Allen‑Bradley
Asal
AS
Berat
Tidak dinyatakan
Dimensi
Tidak dinyatakan
Suhu Operasi
-25 deg C hingga +60 deg C
Penggunaan Kuasa
Pasif (0 W)
Kadar Arus
20 A
Kadar Voltan
125 VAC, 50/60 Hz
Konfigurasi
NEMA 5‑20R dupleks
Voltan Dielektrik
Minimum 2000 V
Jenis Pemasangan
Rel DIN 35 mm
Julat Wayar
20 AWG hingga 10 AWG (kuprum pejal atau terkandas)
Tork Terminal
1.4 N·m (12 lb·in)
Bahan Perumah
Termoplastik, UL 94‑V0
Warna
Kelabu industri
Suhu Penyimpanan
-40 deg C hingga +85 deg C
Pensijilan
Diperakui UL, Diperakui CSA, Bertanda CE
Pertimbangan Bas Satah Belakang dan Kepadatan I/O
Dalam seni bina kawalan Allen‑Bradley, 1492‑REC20 menyediakan kuasa AC tambahan tanpa berinteraksi dengan komunikasi bas satah belakang. Faktor bentuk rel DIN menyokong penskalaan kepadatan I/O kabinet dengan membolehkan soket utiliti dipasang bersebelahan modul PLC dan I/O tanpa menggunakan slot satah belakang. Perumah termoplastik UL 94‑V0 meminimumkan beban terma dan mengelakkan gangguan terhadap modul yang dipacu perisian tegar yang dipasang berdekatan.
Soalan Lazim
S: Bolehkah 1492‑REC20 dipasang semasa kabinet bertenaga? J: Pemasangan mekanikal boleh dilakukan, tetapi pendawaian mesti dilaksanakan apabila litar dinyahtenagakan untuk mengelakkan pendedahan kepada konduktor 125 VAC berarus.
S: Adakah soket ini menjejaskan beban belakang satah PLC? J: Tidak. Modul ini pasif dan tidak berantaramuka dengan satah belakang atau menggunakan arus daripada bekalan kuasa PLC.
S: Adakah kemas kini perisian tegar atau konfigurasi diperlukan? J: Tidak. Soket ini ialah alur keluar AC pasif tanpa perisian tegar atau konfigurasi logik.
Garis Panduan Pemasangan Lapangan
Pastikan pengancing rel DIN telah terpasang sepenuhnya sebelum pendawaian.
Kekalkan tork yang betul pada skru terminal untuk mengelakkan konduktor longgar akibat getaran.
Halakan pendawaian AC secara berasingan daripada pendawaian kawalan voltan rendah untuk mengurangkan hingar teraruh.
Gunakan konduktor kuprum sahaja dalam julat 20–10 AWG yang ditetapkan.
Sahkan jarak penutup untuk mengelakkan tekanan mekanikal pada perumah dupleks.
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