Ametek GEMCO BlueOx 952 Series Installation Manual

Linear displacement transducer

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Gemco 952CP

Control Pulse BlueOx Linear Displacement

Transducer (LDT)

A l l t r a d e m a r k s , b r a n d n a m e s , a n d b r a n d s a p p e a r i n g h e r e i n a r e t h e p r o p e r t y o f t h e i r r e s p e c t i v e o w n e r s .

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Summary of Contents for Ametek GEMCO BlueOx 952 Series

Page 1 Gemco 952CP Control Pulse BlueOx Linear Displacement Transducer (LDT) In Stock Qty Available: 1 Used and in Excellent Condition Open Web Page https://www.artisantg.com/69019-1 A l l t r a d e m a r k s , b r a n d n a m e s , a n d b r a n d s a p p e a r i n g h e r e i n a r e t h e p r o p e r t y o f t h e i r r e s p e c t i v e o w n e r s . •...
Page 2 Series 952 Series 956 NSTALLATION ANUAL INEAR ISPLACEMENT RANSDUCERS 952 BlueOx Linear Displacement Transducer ABSOLUTE PROCESS CONTROL KNOW WHERE YOU ARE... REGARDLESS...
Page 3 AMETEK reserves the right to revise and redistribute the entire contents or selected pages of this manual. All rights to the contents of this manual are reserved by AMETEK. BlueOx is a registered trademark of GEMCO. 1080 N. Crooks Road • Clawson, MI 48017 • 800.635.0289 • 248.435.0700 • Fax 248.435.8120 • www.AMETEKAPT.com...
Page 4 1.1: Dimension Drawing for all 952 LDTs 1080 N. Crooks Road • Clawson, MI 48017 • 800.635.0289 • 248.435.0700 • Fax 248.435.8120 • www.AMETEKAPT.com...
Page 5 Chapter 2: Installing the LDT Before installing the LDT, the following should be If the length of the LDT’s rod end is less than 30”, considered: skip to the sub-section: Mounting the Magnet Assembly. • If a mounting bracket is used that is made of Installing Support Brackets ferromagnetic material (a material readily It is recommended that a support bracket be used...
Page 6 • The magnet should not be closer than 2.0” Mounting the Magnet Assembly from the base of the LDT’s hex head when the Before mounting the magnet assembly, the following piston rod is fully retracted. In instances where should be considered: space restraints exist, it may be required to countersink the magnet into the piston rod.
Page 7 2. Position the non-ferrous spacer against the 4. Insert the LDT’s rod into the hole of the hydraulic piston face, followed by the magnet, and finally cylinder’s mounting bracket. the chamfered rod bushing. (If the length of the LDT’s rod is 60.0” or longer in length, it is The protective Plug may need to be removed recommended that a chamfered rod bushing be from the hydraulic cylinder before inserting the...
Page 8 STANDARD 4-HOLE MAGNET 0.5" BORE MINIMUM CABLE NUT O-RING SEAL MAGNET SPACER OPTIONAL ROD BUSHING Figure 2-2: Mounting LDT in a Hydraulic Cylinder 1.18 RECOMMENDED MIN. SPOTFACE DIAMETER SEE NOTE 1 .004 .866 .008 .813 MINIMUM +/-.002 SEE NOTE 2 .094 MAX.
Page 9 Chapter 3: 952 Wiring Connections Once the LDT has been installed, wiring that the splice junction box be free of AC and/or connections can be made. There are two groups of DC transient-producing lines. The shield should connections that will need to be made. They are as be carried through the splice and terminated at the follows: interface device end.
Page 10 3.2: 952 Analog - C4/C2 (Current) WARNING: Do not use the blue aluminum cover of the head assembly or connector/cable nut (either a 1 1/16" Amphenol connector or 1 3/16" The 952A-C LDT generates a current output based cable nut) to tighten the LDT within the bracket on position.
Page 11 3.4: 952 - Analog Wiring Connector Option S & C Pin # Wire Color Function Brown Customer Supplied Power (+VDC) White Program Input Blue Power Supply Common Black Position Output Gray Position Common LDT Connector View Connector Option E Pin # Wire Color Function White...
Page 12 3.5: 952A (Analog) Differential Input Position Output Customer Supplied Power + Input Power 952A Supply Power Supply Common Position Common - Input Program Input Single Ended Input Position Output Customer Supplied Power Power + Input 952A Supply Power Supply Common Program Input NOTE: 952A-C is current Common...
Page 13 3.7: 952 VP (Variable Pulse) output pulse is proportional to the distance from The variable pulse signal interface of the BlueOx the magnet to the hex head. The order of these two digital output series is a pulse width modulated pulses is illustrated in Figure 3-4.
Page 14 3.8: 952 RS (Start/Stop) duration will follow. The time it takes from the The start/stop signal interface of the BlueOx digital leading edge of the start pulse to the leading edge output series is differential RS-422 output. The of the stop pulse is proportional to the distance maximum cable length for differential LDTs is 1,500 between the magnet to the hex head.
Page 15 3.9: 952 CP, RS, VP Wiring PINOUT FOR STANDARD CIRCULAR CONNECTOR AT TRANSDUCER HEAD PIN-C +15 TO +26 VDC POWER SUPPLY PIN-B BLACK POWER SUPPLY COMMON PIN-J PURPLE -15 VDC FOR BIPOLAR POWER SUPPLY* PIN-K GRAY +INTERROGATION PIN-A WHITE -INTERROGATION PIN-F BLUE +GATE...
Page 16 3.10: Setting Zero & Span at the connector end of the LDT and a 2.5” Dead area at the other end of the LDT that the magnet Position (Analog LDTs Only) must stay out of at all times. The units come fully programmed from the factory and do not require The 952A-V LDT generates a voltage output based re-programming unless desired.
Page 17 Chapter 4: 952 QD Overview 4.1: Quadrature Output 4.2: Signal Connection Application Note A new method of interfacing magnetostrictive transducers offers customers an interface as Overview common as analog with the speed and accuracy of This application note will attempt to clarify the type pulsed type signaling.
Page 18 It is important that the customer drive the signal given to these types of applications. It should be levels much greater or lower than the threshold noted the main signal requirements for an RS-422 voltages. Asserting a signal with a voltage level signal is the differential voltage of the + relative to close to the threshold voltage could induce multiple the - signals and not necessarily the voltage level...
Page 19 4.3: Quadrature Output be properly used. Connect the cable’s shield to the controller system GND. The cable shield is Resolution and Speed not connected at the transducer end. Always observe proper grounding techniques such as The internal resolution of the 952 GEMCO Linear single point grounding and isolating high voltage Transducer is 0.001”.
Page 20 4.5: Features Burst Mode probe then the probe will respond with the current Enables the system to be absolute even though position data. An input signal to the probe will cause data transfer is through incremental method. In a burst of data, representing the absolute position, the event of power failure, the controller can be to be fed back to the controller.
Page 21 4.6: 952 QD Wiring Diagram Figure 4-2: 952QD Wiring Diagram Drawing E0237900 1080 N. Crooks Road • Clawson, MI 48017 • 800.635.0289 • 248.435.0700 • Fax 248.435.8120 • www.AMETEKAPT.com...
Page 22 Figure 4-3: Input Signal Connections for 952 QD LDT Drawing E0237700 1080 N. Crooks Road • Clawson, MI 48017 • 800.635.0289 • 248.435.0700 • Fax 248.435.8120 • www.AMETEKAPT.com...
Page 23 Rt is the termination resistor typically used for differ- ential connections. If these termination resistors are not internal to the controller, they should be installed externally at the connector. If these are not specified or included with the controller, use 1K Ohm resistors.
Page 24 4.7: 952 QD Frequency Frequency or Pulse Rate Selecting the proper frequency in the part number and your controller is very important. The internal clocks inside of the 952QD interrogates the LDT and transmits the incremental pulses at a fixed rate of speed.
Page 25 Appendix A: Troubleshooting A.1: Troubleshooting for 952 QD Unipolar Power Supply Check This section will help you to determine if your power supply is adequate for the LDT to operate properly, Troubleshooting describes common problems or if the LDT’s cable has a short or open. that may occur when installing the LDT and offers possible solutions to these problems.
Page 26 enough power or the LDT’s cable possibly has a short/open. Readings of no voltage or minimal voltage (less than 5 volts) may be due to a short/ open in the cable. If reading is not between +11 and +28 VDC, go to step 5. If reading is above +28 VDC, adjust power supply or replace.
Page 27 A.2: Troubleshooting for 952 Unipolar Power Supply Check This section will help you to determine if your power Analog LDTs supply is adequate for the LDT to operate properly, or if the LDT’s cable has a short or open. Troubleshooting describes common problems that can occur when installing the LDT and offers In order for the BlueOx to operate properly, the possible solutions to these problems.
Page 28 5. Turn the power supply off. Unipolar Power Supply Check 6. Check the continuity of the individual wires This section will help determine if the power supply of the cable between the power supply and the is adequate for the LDT to operate properly, or if the LDT.
Page 29 5. Turn the power supply off. NOTE: LDTs with potted cable assemblies should 6. Check the continuity of the individual wires of be checked for proper voltage at the power supply the cable between the power supply and the terminals. This cable cannot be removed from the LDT.
Page 30 Appendix B: Ordering Information B.1: Analog Part Numbering 952A 0120 Analog BlueOx Output Type V0 = 0 - 10 VDC V1 = 10 - 0 VDC C4 = 4 - 20mA C2 = 20 - 4mA D0 = Differential 0 - 10 VDC* D1 = Differential 4 - 20mA * *Analog differential output is the difference between two magnets.
Page 31 B.2: Digital Part Numbering 952VP 0120 CP = Control Pulse VP = Variable Pulse RS = RS422 Start/Stop Pulse Stroke in Inches Insert stroke in inches to 0.1 inch. Enter as a four-place number. Example: 12.0 in stroke entered as 0120. To convert a metric stroke in millimeters, multiply millimeter value by 0.03937 to arrive at inch value.
Page 32 B.3: Quadrature Part Numbering 952QD 0120 1000 BlueOx with Quadrature Output Stroke in Inches Insert stroke in inches to 0.1 inch. En- ter as a four-place number. Example: 12.0 in stroke entered as 0120. To convert a metric stroke in millimeters, multiply millimeter value by 0.03937 to arrive at inch value.
Page 33 Appendix C: Specifications General Specifications Rod End 316 Stainless Steel, 0.405" (10.29 mm) outer diameter Mounting Hex 316 Stainless Steel, 1.75" (44.45 mm) across flats Mounting Threads 3/4-16 UNF-2B x 1.00" (25.4 mm) with ESNA Jam Nut and O-ring seal Head Assembly Thick Wall Aluminum Cover with Viton O-ring Standard Gasket Seal at the Base and Connector Exit, NEMA 4 (Type 6 optional, consult factory).
Page 34 Analog Specifications Analog Output Drift 10ppm/Degree F (18ppm/DegreeC) Analog Output Voltage Output Minimum Load Resistance: 2Kohm Loading Current Output Maximum Load Resistance: (Vin - 2)/0.02 Output Current: Guaranteed 6mA minimum for voltage units Analog Ripple <1 mV maximum (position output) Update Time 1mS (stroke lengths 1"...
Page 35 Glossary The area designated by the operator on the rod on which the magnet assembly moves. Active Stroke Area An input signal to the probe will cause a burst of data, representing the absolute position to Burst Input be fed to the controller. NOTE: This only applies to the quadrature LDT. A power supply that provides both +15 and -15 VDC.
Page 36 The method used to improve the resolution of a system using a digital LDT. The On time Recirculations of a pulse width output is multiplied by a specified factor (from 1-127). This multiplication provides more counting time for the counter in the customer’s electronics, thus improving the resolution.
Page 37 Other Products Copyright 2005 by AMETEK AUTOMATION & PROCESS TECHNOLOGIES. All Rights Reserved. Made in the USA. 1080 N. Crooks Road, Clawson, MI 48017-1097 952.M3R Phone: 248.435.0700 Toll Free: 800.635.0289 6/10.Z117 Fax: 248.435.8120 www.AMETEKAPT.com...

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