ABB module EI813F 3BDH000022R1 industrial control product PLC control module

ABB module EI813F 3BDH000022R1 industrial control product PLC control module

Technical data of product parameters

Position control is affected by a shutdown input, intended to be used in emergency
or abnormal situations. It is a standard 24 volt digital input circuit.
Typically, the Valve Positioner will rapidly drive the valve to the 0% position when EI813F 3BDH000022R1
the shutdown input is energized. The Valve Positioner then transfers to localmanual mode for the purpose of requiring the Controller to track position feedback.
Once the Controller tracks, the Valve Positioner will transfer back to normal mode.
The state of the shutdown input is available to the Controller via a Valve Positioner
module Ovation register.
A control bit in the shared memory can cause the Valve Positioner to ignore the EI813F 3BDH000022R1
shutdown input while in normal mode. This is used when the customer prefers trip
logic in the Controller, not on the card. However, in local-manual mode, the Valve
Positioner will drive the valve shut when the shutdown input is energized,
regardless of the state, or previous state, of the control bit.One important feature of the servo valve is an adjustable mechanical bias
mechanism. This mechanism creates a slight deflection in the valve spool so that a
small amount of hydraulic fluid can escape the actuator and close the valve.
Therefore, if there is no voltage applied to the servo valve, the actuator will slowly EI813F 3BDH000022R1
move toward the closed position. This deflection is typically overcome by -200
millivolts, so that when the valve is positioned and steady, this small voltage is seen
on the servo valve.
The servo valve has two voltage coils, either of which can deflect the spool when
excited. The combination of these features provides a redundancy feature that
protects against broken wires or shorted coils, the ability to be diagnosed, and a
predictable shutdown mechanism in the event the firmware diagnoses a catastrophic
error and executes a shutdown, or an error mode occurs that allows a hardware
watchdog timer to expire and de-power the Electronics module’s FVP field card.

Product picture display

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Introduction to main products

Focus on DCS, PLC, robot control system and large servo system.

Main products: various modules/cards, controllers, touch screens, servo drives.

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Main brands include ABB Bailey, GE/FANC, FOXBORO, Invensys TRICONEX, Bentley BENTLY, A-B Rockwell, Emerson EMERSON, OVATION, MOTOROLA, XYVOM, Honeywell HONEYWELL, Rexroth, KUKA, NI, DEIF, Yokogawa, Woodward WOODWARD, Ryan, Schneider SCHNEIDER, Yaskawa, Moog MOOG, PROSOFT and other brands

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This article from the temporal Ming sheng automation equipment co., LTD.,

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