Yokogawa ACM12, yang juga tercatat sebagai modul komunikasi ACM12, menyediakan konektivitas serial untuk integrasi subsistem dalam arsitektur kontrol Yokogawa. Modul ini mendukung antarmuka RS‑422 dan RS‑485, sehingga memungkinkan komunikasi point-to-point atau multipoint dengan hingga 31 perangkat eksternal.
Spesifikasi
Parameter
Spesifikasi
Model
ACM12
Merek
Yokogawa
Asal
Jepang
Berat
~0,3 kg
Dimensi
Faktor bentuk soket I/O Yokogawa standar
Suhu Operasi
Tidak ditentukan
Konsumsi Daya
1,0 A pada 5,0 V DC
Port Antarmuka
1 port (dapat dipilih RS‑422 atau RS‑485)
Kecepatan Komunikasi
1200, 2400, 4800, 9600, atau 19200 bps
Mode Transmisi
Half-duplex, sinkronisasi start-stop
Jarak Maksimum
1200 m (total panjang kabel)
Jenis Koneksi
Point-to-point atau multipoint (hingga 31 perangkat dalam mode RS‑485)
Integrasi Sistem
Dipasang langsung pada unit soket/node Yokogawa
Deskripsi Fungsi
Modul ACM12 memungkinkan komunikasi serial deterministik untuk subsistem Yokogawa. RS‑422 menyediakan konektivitas point-to-point yang stabil, sedangkan RS‑485 mendukung jaringan multidrop dengan hingga 31 perangkat. Kecepatan baud yang dapat dikonfigurasi (1200–19200 bps) memungkinkan integrasi fleksibel dengan peralatan lama maupun modern. Sinkronisasi half-duplex memastikan pertukaran data yang andal melalui jalur kabel panjang hingga 1200 meter.
Pertanyaan Umum
T: Dapatkah ACM12 beroperasi dalam mode RS‑422 dan RS‑485? J: Ya. Port dapat dipilih antara RS‑422 (point-to-point) dan RS‑485 (multipoint).
T: Berapa panjang kabel maksimum yang didukung? J: Hingga total panjang kabel 1200 meter.
T: Berapa banyak perangkat eksternal yang dapat dihubungkan dalam mode RS‑485? J: Hingga 31 perangkat dapat dihubungkan dalam konfigurasi multipoint.
Pedoman Instalasi Lapangan
Pastikan polaritas dan pemasangan kabel yang benar untuk koneksi RS‑422/RS‑485.
Pertahankan kontinuitas pelindung untuk mengurangi interferensi elektromagnetik.
Hindari memasang jalur serial di dekat konduktor berarus tinggi.
Pastikan modul terpasang dengan benar pada soket Yokogawa sebelum diberi energi.
Pastikan pengaturan kecepatan baud sesuai dengan perangkat yang terhubung.
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