Honeywell 51401583-200, yang turut dikatalogkan sebagai kad antara muka rangkaian 51401583, berfungsi sebagai papan NGI khusus untuk mengurus pertukaran data antara Local Control Network (LCN) dengan pautan komunikasi luaran dalam seni bina Honeywell TPMS dan TDC 3000. Papan ini melaksanakan fungsi penghalaan secara bebas di dalam casis Split Node atau Multinode 10 slot.
Spesifikasi Perkakasan
Parameter
Spesifikasi
Model
51401583-200
Jenama
Honeywell
Asal
Tidak dinyatakan
Berat
0.15 kg
Dimensi
10.16 cm x 10.16 cm x 1.52 cm
Suhu Operasi
Tidak dinyatakan (tiada nilai rekaan diperkenalkan)
Penggunaan Kuasa
Tidak dinyatakan
Jenis Modul
Papan Network Gateway Interface (NGI)
Kapasiti Daya Pemprosesan
Sehingga 1,200 parameter titik sesaat
Kelewatan Minimum
Kelewatan minimum serentak 3 saat
Kadar Pemindahan Fail
Sehingga 12,000 perkataan sesaat
Antara Muka Rangkaian
Rangkaian Carrier Band (UCN), rangkaian gentian optik berkonfigurasi bintang
Keserasian Casis
Cardfile Split Node 10 slot, casis Multinode Module Service
Protokol Gelung HART 4-20 mA & Tingkah Laku Pengasingan Fieldbus
Walaupun papan NGI mengendalikan trafik rangkaian digital dan bukannya gelung analog, pengasingan saluran ke saluran dalamannya menghalang gangguan apabila dipasang berdekatan pemasangan I/O Honeywell yang membawa isyarat 4-20 mA HART atau Fieldbus/PA. Susun atur pembumian dan perisaian papan meminimumkan gandingan ke dalam saluran aras rendah bersebelahan, sekali gus memastikan prestasi penghalaan LCN yang stabil. Litar pampasan simpang sejuk (CJC) dalam modul berdekatan kekal tidak terjejas disebabkan reka bentuk NGI yang bukan analog dan mempunyai beban terma rendah.
Soalan Lazim
S: Bolehkah papan NGI ditukar semasa sistem Split Node beroperasi? J: Tidak. Penanggalan atau pemasangan mesti dilakukan apabila casis dinyahkuasakan bagi mengelakkan kerosakan bas LCN.
S: Adakah modul ini bersambung terus dengan talian sepaksi UCN standard? J: Tidak. Rangkaian Carrier Band dan gentian optik disokong; UCN sepaksi memerlukan integrasi lapisan fizikal khusus.
S: Adakah daya pemprosesan tinggi menjejaskan pemasaan satah belakang? J: Papan NGI mengurus penghalaan secara bebas; pemasaan satah belakang ditentukan oleh pemproses nod hos.
Garis Panduan Pemasangan Lapangan
Pastikan pemasangan pada cardfile dilakukan dengan betul bagi mengekalkan penjajaran satah belakang LCN.
Kekalkan jarak antara kabel rangkaian dengan konduktor berkuasa tinggi untuk mengurangkan hingar teraruh.
Sahkan kesinambungan pembumian bagi mengekalkan keberkesanan perisaian.
Elakkan lenturan berlebihan pada kabel gentian optik atau Carrier Band bagi mengekalkan integriti isyarat.
Pastikan penyambung terpasang sepenuhnya sebelum nod dibekalkan kuasa.
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