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The controller is engineered for high-reliability
The relay channels provide 1780 Vrms AC isolation for 1 minute between channels
preserving raw transducer output integrity prior to conditioning stages in the 1701/06 monitoring architecture
Hazardous area certification: ATEX / IECEx Zone 2 (option code “05”)
temporary communication suspension occurs
Yokogawa ALR121-S01 Serial Communication Module Yokogawa CENTUM The controller is engineered forYokogawa ALR121 S01 Serial Communication Module Configured for subsystem data exchange in CENTUM CS 3000 and CENTUM VP platforms, the Yokogawa ALR121 S01 (base model ALR121) provides direct electrical interfacing between the DCS and external serial devices using RS 422 RS 485 physical layers. The module executes deterministic half duplex transmission without protocol translation overhead. Hardware Specifications Parameter Specification Brand Yokogawa
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