LOGIX 510SI PDF

LOGIX si OVERVIEW. The Logix si is a two-wire, mA input digital valve positioner. The Logix si positioner controls single-acting actuators with . Mounting of the Logix si Positioner on a Linear Pneumatic Actuator. ( NAMUR / IEC document describes the setting and use of the Logix si. Available Logix + Models. Part of the versatile Logix positioner series the Logix + and Logix + digital positioners fulfill the ever growing.

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Pre-assemble the mounting bracket on the left actuator logiix hand-tight with two U-bolts, nuts and lockwashers. A reset will cause the loss of other data. The position of the pilot valve in the pneumatic amplifier is measured and relayed to the inner loop control circuit.

This two-stage control provides for more responsive and tighter control than is possible with a single stage control algorithm.

Flowserve Logix si Digital Positioner Actuator siw1dse | eBay

Piezo voltage – Bad electronic assembly, replace. Before installation check the order-no, serial-no. Switches Enabled The Logix si will read all of the configuration switches each time a Quick-Cal is performed to determine the configuration.

Lo frict Optimizes the response for low friction, high performance control valves. After completing work the cover plates must be refitted. This means that changes to the switch position while the positioner is in normal operation will have immediate effect on the control algorithm. JOG Logjx Mode – the unit has been placed in a local override mode where the valve can only be stroked using the two local jog buttons.

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As the valve approaches the desired position, the difference between the commanded position and the measured position becomes smaller and the output to the piezo is decreased.

This error may be cleared by briefly pushing the Quick-Cal button, which will force the positioner to use the parameters from the last good calibration. The microprocessor-based electronic control module includes direct local user interface switches 2. This could cause permanent circuit board damage. Cycle limit – The cycle limit set by the user has been exceeded. The jog calibration process will only allow the user to manually set the span; zero position is automatically always set at the seat.

The air supply must conform to ISA 7.

An electromagnetic line filter can be used to further eliminate noise. The Logix si digital positioner can be equipped with an additional limit switch unit.

Electrical safety is determined only by the power supply device. O-rings, screws, low temp. This communication signal is superimposed on the DC mA current signal. The switching function is triggered if a ferromagnetic object vane is inserted between the coils. Normally this will be 20 mA, but if split range operation is required use the maximum current for the desired range.

Custom characterization or soft stops active 1. The minimum input signal required to function is 3,6 mA.

Verify current source supplies at least 3,6 mA 2. As with all the positioners within the Logix family, the Logix si uses the latest piezo technology with Inner-Loop Feedback to produce improved dynamic behavior.

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In such cases pay particular attention to personal protection protective clothing, gloves, glasses etc. Note that the loop must be externally powered with a voltage between 12VDC and 40VDC and a current meter used to measure the current in the loop.

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When performing service, inspection or repair operations always ensure, that the valve and actuator are depressurised and that the valve has been cleaned and is free from harmful substances. If the positioner still does not operate replace the pneumatic relay assembly.

After installation, ensure all screw connections are tightened correctly and all moving parts are free from excessive friction.

A coalescing air filter is recommended for all applications due to the close tolerances in the positioner.

Flowserve 510si IOM Logix User Manual

Logid connect a voltage source directly across the positioner terminals. Fire protection must be provided by the user. Page 13 Logix si Status Condition Codes Colors Identifier Indication and resolution Y – – – Any sequence starting with a yellow light indicates that the unit is in a special calibration or test mode, or that there was a calibration problem.

Characterization si Linear The actuator position directly proportional to the input signal. Settings A through H are 51si higher gain predefined tuning sets.

Optional analog feedback system as well 510su limit switch unit and a directly attachable double acting module. For this reason they should not be used in other applications without first contacting the manufacturer. The positioner passageways are equipped with filters, which remove medium and coarse size dirt from the pressurized air. Don’t have an account?