METSO D201376 | Redundant Profibus DP / Modbus RTU Communication Interface Module Valmet DNA DCS Spare Field Service Notes

Component Snapshot At-a-Glance

Model: METSO D201376
Alt. P/N: D201377 (single non-redundant bus variant, no auto failover); A413188 (8ch analog input I/O card, unrelated function)
Product Series: Metso DNA rack plug-in communication module family, hot-swappable for pulp, mining, wastewater DCS systems
Hardware Type: Horizontal rack plug-in PCB, front dual DB9 serial connectors, dedicated bus status LED bank, gold-plated rear DNA backplane edge connector
Key Feature: Dual fully isolated redundant RS485 fieldbus channels, <50ms automatic channel failover, native Profibus DP V0/V1 + Modbus RTU master mode support
Primary Field Use: Act as redundant fieldbus master to exchange real-time I/O data between DNA rack CPU and remote MCC distributed I/O, variable frequency drives, and field process transmitters.