Yokogawa VF701 Interface Module

Feature & Principle

It is Yokogawa CS3000 DCS dedicated V net control bus interface module. It is installed on the FCS control station backplane, responsible for data interaction between the control CPU and V net field bus. It transmits control commands, process variables and alarm information between the control station and remote I/O, HMI and other stations. It supports dual redundancy configuration to improve system reliability, with built-in communication self-diagnosis, bus fault alarm function, which is the core communication link of CS3000 distributed control system.

Specifications

Model: VF701 (S2) Brand: Yokogawa Applicable system: CS3000 DCS Bus type: V Net control bus Mounting: FCS rack plug-in Redundancy: Support dual redundant configuration Power supply: Supplied by rack backplane Lifecycle: Discontinued legacy spare Application: Petrochemical, chemical, power plant, refining process DCS cabinet Certification: CE, ATEX optional

Components & Diagnostics

Communication main PCB, V net transceiver circuit, backplane gold finger connector, status LED indicators. Common faults: V net communication interruption, module offline, bus collision alarm, unable to synchronize redundant partner.

Product Brief

VF701 control bus interface module, Yokogawa CS3000 DCS spare widely used for chemical and petrochemical control cabinet overhaul and replacement.