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Valves, Actuators and Accessories • Wireless Valve Monitoring
Industrial Wireless Monitoring System - Continued VD - Valve Device
DESCRIPTION The Valve Device (VD) is installed on top of the monitored valve or actuator. A mechanical stem attaches the VD to the shaft of the valve or actuator. The VD sensor measures the angle that corresponds to the opening of the valve which is then transmitted by an embedded bi-directional transceiver that is inside the VD to the VDR.
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DIB - Discrete Input Box DESCRIPTION
The Discrete Input Box (DIB) wirelessly transmits signals from up-to 4 connected Dry Contact inputs, to the control system. Typical input connections to the DIB are: flow switch, rapture disk, limit switch or any other dry contact switch.
OD - Operator Device DESCRIPTION
The Operator Device (OD) is a hand-held operational panel enables operators to perform a variety of operational tasks around the valve on site location. Such operations are: calibration, maintenance and local monitoring of any Eltav component (VD, VDR and TVDR). The most basic functions of the OD are: turning the wireless device ON/OFF, supporting installation and commissioning, and receiving real-time measurements from a particular valve device (VD).