Yokogawa A1BR4D-05, yang turut disenaraikan dalam katalog sebagai papan terminal analog A1BR4D, berfungsi sebagai antara muka pendaratan khusus untuk isyarat analog aras rendah dalam sistem kawalan siri CENTUM VP/CS.
Spesifikasi Perkakasan
Parameter
Spesifikasi
Model
A1BR4D-05
Jenama
Yokogawa
Asal
Jepun
Berat
3 kg (penghantaran)
Dimensi
Papan terminal lekap panel
Suhu Operasi
Julat terkadar untuk bilik kawalan
Penggunaan Kuasa
Papan terminal pasif
Fungsi Utama
Pendaratan dan penghalaan isyarat analog
Jenis Terminal
Terminal pendaratan jenis skru
Pengasingan
Jarak fizikal antara kumpulan terminal
Aplikasi
Nest I/O analog CENTUM VP/CS
Kod Akhiran – 0
Sentiasa 0
Kod Akhiran – 5
Jenis asas, tanpa perlindungan letupan
Pengasingan Saluran ke Saluran
Papan terminal menyediakan pengasingan saluran ke saluran melalui jarak fizikal dan reka bentuk terminal berkumpulan. Ini meminimumkan gangguan analog serta memastikan penghalaan isyarat aras rendah yang stabil ke modul I/O subsistem. Pembinaannya menggunakan PCB gred industri dengan pad bersadur, yang menyokong ketahanan mekanikal jangka panjang dalam persekitaran operasi berterusan.
Soalan Lazim
S: Apakah yang ditunjukkan oleh kod akhiran “5” bagi A1BR4D-05? J: Ia menetapkan jenis asas tanpa perlindungan letupan.
S: Bolehkah A1BR4D-05 digunakan dalam konfigurasi berlebihan? J: Ya, ia boleh dipasang dalam nest berlebihan; pengasingan dicapai melalui pengumpulan fizikal, bukannya litar aktif.
S: Bagaimanakah papan ini dipasang? J: Ia dipasang pada panel atau nest dalam pemasangan pendawaian CENTUM VP/CS menggunakan pendaratan konduktor jenis skru.
Garis Panduan Pemasangan Lapangan
Pasang papan dalam nest terminal yang ditetapkan dengan pengikat mekanikal yang kukuh.
Pastikan terminal jenis skru diketatkan mengikut spesifikasi tork pengeluar.
Asingkan pendawaian isyarat analog daripada talian digital atau voltan tinggi untuk mengurangkan gangguan.
Kekalkan ruang kelegaan untuk pemeriksaan dan pengetatan konduktor semasa penyelenggaraan.
Sahkan kod akhiran sebelum pemasangan bagi memastikan jenis yang betul untuk persekitaran yang dimaksudkan.
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