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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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The switching function is triggered if a ferromagnetic object vane is inserted between the coils.

Logix 500si series Digital Positioners Operation Maintenance

The control algorithm in the processor performs control calculations and produces an output command to the piezo valve, which drives the pneumatic amplifier. 510s The voltage 12,5 V is greater than the required 6. The sensors are designed as a proximity vane ligix switch. By pressing ‘print’ button you will print only current page. Logix si Digital Positioner. Connections Pneumatic output signal outlet Electrical connections: 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.

Flowserve Logix 500si Digital Positioner Actuator 510si-15-w1dse-0000-000

Disposal of product when taken out of service. Off Forces the positioner to use one of the factory preset tuning sets determined by the rotary Gain selector switch. Verify hardware connections 3. Logix si positioner accessories: Limit switch To connect switches — see termination table. There is a small black arrow indicating the selection.

Switches Figure 11 Install 3 x screws 1 into positioner housing. The Logix si positioner controls not to be confused with operating range. The follower pin should point back from the positioner. Figure 8 The Logix si digital positioner has been designed to operate correctly in electromagnetic EM fields found in typical industrial environments. According to EU legislation, this product must be recovered for separation of materials and may not be disposed of as unsorted municipal waste.


Logix si Status Condition Codes Colors Identifier Indication and resolution R – – loyix Any sequence starting with a red light indicates that there is an operational problem with the unit. Positioner operation with limited voltage only. This ground should be tied to the same ground as the electrical conduit.

Command span – Calibration error indicating that the mA signal was below the minimum calibration span. Normally this will be 20 mA, but if split range operation is required use 501si maximum current for the desired range. If the positioner still does not operate replace the pneumatic relay assembly.

To print the manual completely, please, download it. Lo frict Optimizes the response for low friction, high performance control valves.

Analog output span too small – The span must be calibrated to a range greater than 3. Off Disables this feature. EEprom checksum error – The checksum of the internal data has become corrupted. O-rings, screws, low temp. This could cause permanent circuit board damage. With an operating pressure of more than 6 bar psia reducing regulator is required.

Hi frict Optimizes the response for valves and actuators with high friction levels. 510sk

Stroke not calibrated 3. Tight shutoff MPC Minimum position cutoff is active 4.

To correct the condition, adjust the positioner mounting, linkage or feedback potentiometer to move the position sensor back into range then restart the calibration. Based on proven digital technology, it features a large, high-performance spool valve controlled by a unique intelligent control algorithm.


IS, NI and explosion-proof versions. Feedback unstable setting IL Offset – Check for loose linkages or loose positioner sensor. Refer to Cable Requirements on page MPC active – The command is below the user set limit for tight shutoff feature.

On Enables an auto tune feature that will automatically determine the positioner gain settings every time a QuickCal is performed based on the setting of the rotary Gain switch. Feedback 0 saturated – Calibration error indicating that the position sensor was out of range during the calibration. This document describes the setting and use of the Logix si user interface.

Single-acting pneumatic actuator Positioner: Now connect 510is air supply to the filter, which ligix connected to the Logix Series positioner.

Trouble shooting Logix si symptoms and solutions Failure No LED is blinking si Erratic communications Unit does not respond to analog commands Valve position reading is not what is expected Position is driven fully open or closed and will not respond to command Sticking or hunting operation of the positioner Probable Cause Corrective action 1. When 510sl valve actuator is at the desired position.

Normally this will be 4 mA, but if split range operation is lgix adjust to the minimum current for the desired range.

Flowserve Logix si Digital Positioner Actuator siw1dse | eBay

Secure with 4 x M6 screws 2. It offers excellent control at an affordable price. Page 11 indicating that it is waiting for the maximum signal to be input to the positioner.