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331L or later
offering flexibility in system design
It provides accurate
facility management
Fieldbus Communication Module Yokogawa CENTUM VP ALF111-S51 ADAPT ESD Relay Output Module 331L or laterProduct Description The ALF111 S51 is a high performance FOUNDATION Fieldbus (FF) H1 communication interface module designed for the Yokogawa CENTUM VP and Yokogawa CENTUM CS 3000 control systems. It acts as the gateway between the Field Control Unit (FCU) and H1 fieldbus segments, enabling bidirectional digital communication with smart field devices such as valve positioners, flowmeters, and pressure transmitters. By integrating the ALF111 S51, users
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