Sheffer ELECTRONIC User Manual

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Page 1

ELECTRONIC

POSITIONING CYLINDERS

Page 2

Electronic Positioning Cylinders

EP-1

Dead Zone The last 2.5 inches of the transducer rod

from the end of stroke to the end of the rod. The magnet must not be permitted to enter the dead zone, which causes an unpredictable output.

Hysteresis The maximum error that can be expected

when returning to a point from the opposite direction.

Repeatability The ability to return to the same linear

measurement with the same direction of travel. This is generally more important than non-linearity for most applications.

Non-Linearity The deviation of the actual from the

theoretical position of the output signal. For most applications the non-linearity is considered the same as “Accuracy”.

Resolution The smallest increment of stroke that can

be detected and indicated on the output.

Null Space The distance from the transducer head face

and the start of the stroke.

Null Position The magnet position on the transducer rod

which produces a zero or minimum output signal.

Stroke The active or sensing portion of the

transducer rod.

Analog Transducer output that yields 10-0 or 0-10 V

off two separate wires, where final voltage output is proportional to the magnet position.

Digital Transducer output produces start/stop

signals with outputs in counts, square wave in quadrature or parallel binary/BCD.

Terms

In MTS’ magnetostrictive sensor, the interaction of two magnetic fields induces a torsional strain pulse in a waveguide. One field emanates from a rare earth magnet; the other is generated by a current pulse launched on a wire inside the guide. Magnet position is sensed by measuring the time lapse between the launch of the current pulse and the arrival of the strain pulse.

Magnetostrictive Sensing

Performance Specifications

LDT (Linear Displacement Transducer)

Operating Voltage +13.5 to +24 Volts DC

Non-Linearity <+0.03% of full stroke or +0.05 mm

(+0.0002 inches), whichever is greater

Resolution 0.10 mm (0.004 inches) with on circu-

lation with 28 MHz counter (Digital) infinite (Analog)

Hysteresis <0.02 mm (0.0008 inches)

Response Time (Analog) <3ms (Digital) Update 10,000

measurements per second

Measuring Range Analog (1-78 inches, US customary)

Metric 25-2000mm Digital (1-120 inches, US customary) Metric 25-2000 mm

Operating Pressure 5,000 psi static; maximum 10,000 psi

spike Enclosure Designed to meet NEMA 6

LRT (Linear Resistor Transducer)

Input Voltage 5-50 Volts DC

Non-Linearity 0.1% of total stroke up to 48 inches

1% of total stroke to 130 inches

Repeatability 0.001 inches

Life 500 million inches of travel

Velocity Hydraulic = 30 inches per second

Pneumatic = 50 inches per second

Output Analog, DC voltage only

Operating Pressure 5,000 psi maximum

Page 3

Electronic Positioning Cylinders

EP-2

Mounting Possibilities for the LDT-LC Version

LDT-LC Without Manifold & Piping or Specific Mounting

MAXIMUM DISTANCE FROM CYLINDER IS 6" (152.49 MM)

CONNECTOR DEPENDENT

MS CONNECTOR

31.09 MM (1.22")

RG CONNECTOR

29.06 MM (1.14")

RB CONNECTOR MODEL LH ONLY

19.43 MM (.765")

RD INTEGRAL CABLE

31.75 MM (1.5")

/64 SOCKET HEAD

CAP SCREW

NOTE:

All mounting options are available with the LDT-LC version. See general catalogs for series specific dimensions. Some modifications may be necessary. Please contact factory for details on your specific needs.

CONNECTOR HOUSING

SENSOR RETAINING SCREW

1/2" NPT PLUG

TEMPOSONICS LC ELECTRONIC HOUSING

HIGH-PRESSURE TUBE

10.01 MM OD (.394")

DEAD ZONE

63.5 MM (2.50")

ELECTRICAL

STROKE

NULL

25.4 MM (1.0")

Electronic Housing may be mounted anywhere with 6 inches of rear head such as in a control panel, cool box or on the machine. Note: The interconnected cable is not fully shielded and may be susceptible to external noise. When mounted as shown in Example 1 the interconnect cable is shielded by the cylinder end cap. When the LC housing is mounted in an alternative manner, proper care must be taken to shield the cable.

EXAMPLE 1 EXAMPLE 2

Valve Manifold Option

LDT cylinders have the transducer attached to the center rear face of the cap. Any mounting that does not interfere with the center face of the cap can be used with this standard design.

Note:

1. Minimum stroke is required for piping installation. May use stop tube to compensate this stroke.

2. Some manifold block will extend beyond the side of the rear cap on position (2, 6). Contact engineering for those sizes.

(3.7")

(4.8")

SQ.

(PORTS)

LB + Minimum Stroke

(1.50")

(2.6")

SIDE VIEW

ROD END VIEW

Use on DO3 & DO5 Use on DO8 Only

Bore E LB M N NN O P M N NN O P PP

2" 3" 45/8" 5" 2" 3" 13/8" 227/32" -10 SAE

21/2" 31/2" 43/4" 51/2" 2" 3" 13/8" 33/32" -10 SAE

31/4" 41/2" 51/2" 73/8" 27/8" 31/2" 11/8" 41/8" 71/2" 3" 5" 11/8" 311/16" -12 SAE

4" 5" 53/4" 77/8" 27/8" 31/2" 11/8" 43/8" 8" 3" 5" 11/8" 315/16" -12 SAE

5" 61/2" 61/4" 93/8" 27/8" 31/2" 11/8" 51/8" 91/2" 3" 5" 11/8" 411/16" -12 SAE

6" 71/2" 73/8" 1015/16" 37/16" 41/2" 11/2" 515/16" 113/16" 3 11/16" 5" 11/2" 53/8" -16 SAE

7" 81/2" 81/2" 1115/16" 37/16" 41/2" 0" 65/8" 123/16" 3 11/16" 5" 0" 531/32" -20 SAE

8" 9

/2" 91/2" 133/16" 311/16" 5" 0" 713/32" 137/16" 3 15/16" 5" 0" 639/64" -24 SAE

Minimum Stroke Required

Bore DO3 DO5 DO8 Servo

Valve

2" 4" 4"

21/2" 37/8" 37/8"

31/4"4

/8" 61/2" 45/8"

4" 43/8" 61/4" 43/8"

5" 37/8" 53/4" 37/8"

6" 33/4" 55/8" 33/4"

7" 31/4" 51/8" 31/4"

8" 2

/2" 43/8" 21/2"

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Electronic Positioning Cylinders

EP-3

MH & A Series Cylinders

BORE ROD A THE AMOUNT

SIZE DIA. MALE ROD END FEMALE LB VL OF EXTRA PRESS

NOT STUDDED * ROD END (ADD PLAIN ROD RATING

STROKE) EXTENSION IN PSI**

CC KK STD. KK MIN. MALE FEMALE

THREAD THREAD WF THREAD WF ROD ROD PULL

END END STROKE

1 2 3 4 5 6 7 8 9 10 11 12 13

13/8 15/8 11/4-12 1-14 15/8 1-14 21/8 35/8 17/8 —

/2 2,450

13/8 15/8 11/4-12 1-14 15/8 1-14 2 33/4 17/8 —

/8 1,550

13/4 2 11/2-12 11/4-12 17/8 11/4-12 21/2 33/4 17/8 —

/8 1,550

13/8 15/8 11/4-12 1-14 15/8 1-14 15/8 41/4 15/8 — — 1,400

13/4 2 11/2-12 11/4-12 17/8 11/4-12 21/8 41/4 15/8 —

/4 1,400

2 21/4 13/4-12 11/2-12 2 11/2-12 23/8 41/4 15/8 —

/8 1,400

13/8 15/8 11/4-12 1-14 15/8 1-14 15/8 41/4 15/8 — — 925

13/4 2 11/2-12 11/4-12 17/8 11/4-12 21/8 41/4 15/8 —

/4 925

2 21/4 13/4-12 11/2-12 2 11/2-12 23/8 41/4 15/8 —

/8 925

21/2 3 21/4-12 17/8-12 21/4 17/8-12 3 41/4 15/8 —

/4 925

13/8 15/8 11/4-12 1-14 15/8 1-14 15/8 41/2 15/8 — — 675

13/4 2 11/2-12 11/4-12 17/8 11/4-12 17/8 41/2 15/8 — — 675

2 21/4 13/4-12 11/2-12 2 11/2-12 21/8 41/2 15/8 —

/8 1,075

21/2 3 21/4-12 17/8-12 21/4 17/8-12 21/2 41/2 15/8 —

/2 1,075

3 31/2 23/4-12 21/4-12 21/4 21/4-12 37/8 41/2 15/8 — 15/8 1,075

31/2 31/2 31/4-12 21/2-12 21/4 21/2-12 37/8 41/2 15/8 — 15/8 1,075

13/8 15/8 11/4-12 1-14 15/8 1-14 15/8 5 13/8 — — 525

13/4 2 11/2-12 11/4-12 17/8 11/4-12 17/8 5 13/8 — — 800

2 21/4 13/4-12 11/2-12 2 11/2-12 2 5 13/8 — — 800

21/2 3 21/4-12 17/8-12 21/4 17/8-12 21/2 5 13/8 —

/4 800

3 31/2 23/4-12 21/4-12 21/4 21/4-12 35/8 5 13/8 — 13/8 800

31/2 31/2 31/4-12 21/2-12 21/4 21/2-12 33/4 5 13/8 — 11/2 800

4 4 33/4-12 3-12 21/4 3-12 41/2 5 13/8 — 21/4 800

13/8 15/8 11/4-12 1-14 15/8 1-14 15/8 51/8 13/8 — — 380

13/4 2 11/2-12 11/4-12 17/8 11/4-12 17/8 51/8 13/8 — — 625

2 21/4 13/4-12 11/2-12 2 11/2-12 2 51/8 13/8 — — 625

21/2 3 21/4-12 17/8-12 21/4 17/8-12 21/2 51/8 13/8 —

/4 875

3 31/2 23/4-12 21/4-12 21/4 21/4-12 35/8 51/8 13/8 — 13/8 875

31/2 31/2 31/4-12 21/2-12 21/4 21/2-12 33/4 51/8 13/8 — 11/2 875

4 4 33/4-12 3-12 21/4 3-12 43/8 51/8 13/8 — 21/8 875

41/2 41/2 41/4-12 31/4-12 21/4 31/4-12 47/8 51/8 13/8 — 25/8 875

5 5 43/4-12 31/2-12 21/4 31/2-12 55/8 51/8 13/8 — 33/8 875

13/8 15/8 11/4-12 1-14 15/8 1-14 15/8 51/8 13/8 — — 290

13/4 2 11/2-12 11/4-12 17/8 11/4-12 17/8 51/8 13/8 — — 475

2 21/4 13/4-12 11/2-12 2 11/2-12 2 51/8 13/8 — — 675

21/2 3 21/4-12 17/8-12 21/4 17/8-12 21/2 51/8 13/8 —

/4 675

3 31/2 23/4-12 21/4-12 21/4 21/4-12 35/8 51/8 13/8 — 13/8 675

31/2 31/2 31/4-12 21/2-12 21/4 21/2-12 33/4 51/8 13/8 — 11/2 675

4 4 33/4-12 3-12 21/4 3-12 43/8 51/8 13/8 — 21/8 675

41/2 41/2 41/4-12 31/4-12 21/4 31/4-12 47/8 51/8 13/8 — 25/8 675

5 5 43/4-12 31/2-12 21/4 31/2-12 55/8 51/8 13/8 — 33/8 675

51/2 51/2 51/4-12 4-12 21/4 4-12 63/16 51/8 13/8 — 315/16 675

Page 5

Electronic Positioning Cylinders

EP-4

HH Series Cylinders

BORE ROD A THE AMOUNT SIZE DIA. MALE ROD END FEMALE LB VL OF EXTRA PRESS

NOT STUDDED * ROD END (ADD PLAIN ROD RATING

STROKE) EXTENSION IN PSI**

CC KK STD. KK MIN. MALE FEMALE

THREAD THREAD WF THREAD WF ROD ROD PULL

END END STROKE

1 2 3 4 5 6 7 8 9 10 11 12 13

13/8 15/8 11/4-12 1-14 15/8 1-14 — 45/8 13/8 — — 3,000

13/8 15/8 11/4-12 1-14 15/8 1-14 — 43/4 13/8 — — 1,000

13/4 2 11/2-12 11/4-12 17/8 11/4-12 — 43/4 13/8 — — 3,000

13/8 15/8 11/4-12 1-14 15/8 1-14 — 51/2 11/8 — — 1,900

13/4 2 11/2-12 11/4-12 17/8 11/4-12 — 51/2 11/8 — — 1,900

2 21/4 13/4-12 11/2-12 2 11/2-12 — 51/2 11/8 — — 3,000

13/4 2 11/2-12 11/4-12 17/8 11/4-12 — 53/4 11/8 — — 2,275

2 21/4 13/4-12 11/2-12 2 11/2-12 — 53/4 11/8 — — 2,275

21/2 3 21/4-12 17/8-12 21/4 17/8-12 — 53/4 11/8 — — 3,000

2 21/4 13/4-12 11/2-12 2 11/2-12 — 61/4 11/8 — — 2,350

21/2 21/2 21/4-12 17/8-12 21/4 17/8-12 — 61/4 11/8 — — 2,350

3 31/2 23/4-12 21/4-12 21/4 21/4-12 — 61/4 11/8 — — 2,350

31/2 31/2 31/4-12 21/2-12 21/4 21/2-12 27/8 61/4 11/8 —

/8 3,000

21/2 3 21/4-12 17/8-12 21/4 17/8-12 — 73/8

/2 — — 2,820

3 31/2 23/4-12 21/4-12 21/4 21/4-12 — 73/8

/2 — — 2,820

31/2 31/2 31/4-12 21/2-12 21/4 21/2-12 — 73/8

/2 — — 2,820

4 4 33/4-12 3-12 21/4 3-12 23/4 73/8

/2 — 1' 3,000

3 31/2 23/4-12 21/4-12 21/4 21/4-12 — 81/2 — — — 3,000

31/2 31/2 31/4-12 21/2-12 21/4 21/2-12 — 81/2 — — — 3,000

4 4 33/4-12 3-12 21/4 3-12 — 81/2 — — — 2,875

41/2 41/2 41/4-12 31/4-12 21/4 31/4-12 25/8 81/2 — —

/8 1,900

5 5 43/4-12 31/2-12 21/4 31/2-12 35/8 81/2 — — 11/2 3,000

31/2 31/2 31/4-12 21/2-12 21/4 21/2-12 — 91/2 — — — 3,000

4 4 33/4-12 3-12 21/4 3-12 — 91/2 — — — 3,000

41/2 41/2 41/4-12 31/4-12 21/4 31/4-12 — 91/2 — — — 2,075

5 5 43/4-12 31/2-12 21/4 31/2-12 25/8 91/2 — —

/8 2,075

51/2 51/2 51/4-12 4-12 21/4 4-12 31/8 91/2 — — 1' 3,000

* For studded male rod end, use column 12 dimension instead of column 6. ** Pressure rating based on material yield strength with a 3:1 safety factor. For all other dimensions, see standard catalog for respective series.

21/2

2.36 MINIMUM

CLEARANCE DIAMETER

⁄

LB PLUS STROKE

WIPER CARRIAGE ASSEMBLY

PISTON

LINEAR RESISTANCE ROD ASSEMBLY

ELECTRONIC CONNECTOR

LDT-LH Without Manifold & Piping

LRT Without Manifold & Piping

Page 6

Policy:

The policy of the Sheffer Corporation is one of continual improvement in design and manufacture to assure still finer products, hence, specifications are subject to change without notice.

Limited Warranty:

Sheffer warrants its products to be free from defects in material and workmanship for a period of one year from the date of shipment. This warranty does not cover field labor charges for parts removal and replacement, adjustments, repairs or other work, corrosion, electrolysis, mineral deposits or normal deterioration, misapplication, modification, or change in original operating conditions; components supplied by others; defects in parts resulting from abuse, negligence, accident, fire or explosion, or seals and other components subject to normal wear. The sole and exclusive remedy against Sheffer shall be for the repair or replacement of parts returned transportation prepaid to Sheffer’s factory and found by Sheffer to be defective. Replacement parts provided shall not extend the warranty period for said parts or for the total unit.

IN CONSIDERATION OF THIS EXPRESS WARRANTY NO OTHER REMEDY (INCLUDING BUT NOT LIMITED TO INCIDENTAL OR CONSEQUENTIAL DAMAGES) SHALL BE AVAILABLE. THIS WARRANTY SHALL BE IN LIEU OF ANY AND ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, AND OF ALL OTHER OBLIGATIONS ON THE PART OF SHEFFER.

Sheffer neither assumes, nor authorizes any person to assume for it, any other obligation or warranty.

How to use this form:

1. Photocopy the Requirements List on page EP-6.

2. On your copy, fill in the blanks at each section with your requirements.

3. If you do not need what is offered in a section, please mark N/A in the blank.

4. If your requirement is not listed as a selection, please write in your requirement.

5. Once completed, contact your Sheffer distributor to fax requirements for price and availability.

6. You may also go to the Sheffer web site at www.sheffercorp.com to obtain your distributor name and additional information on contacting Sheffer.

Options (Consult Factory)

• Intrinsically safe

• Explosion proof

• Mill duty

• Strokes to 240"

• Special configurations

• Double piston/stop tube

• Rear protective housing

BX - Basic Cylinder, Tie Rods

Extended, Both Ends

C - Clevis

CL - Center Line Lug

EL - End Lug FB - Foot Bracket

FF - Front Flange

FFX - Front Flange, Extra Size

FH - Front Head (7" thru 14" A

and MH–16" thru 24" HH)

FHF - Front Head Flange

FX - Basic Cylinder, Tie Rods

Extended, Front End

NX - Basic Cylinder, No Tie Rod

Extension

P - Pivot

RF - Rear Flange

RFX - Rear Flange, Extra Size

RH - Rear Head (7" thru 14" A

and MH–16" thru 24" HH)

RHF - Rear Head Flange

RX - Basic Cylinder, Tie Rods

Extended, Rear End

SF - Side Flush SL - Side Lug

SP - Sub Plate

T - Trunnion, Between Heads

TF - Trunnion, Front

TR - Trunnion, Rear

Mounting Styles

Chart A

Page 7

Requirements List

EP-6

Photocopy This Page As Needed

Bore

As Required

Use Fractions

Where Required

Requirement

Model

HH Heavy-Duty Hydraulic

MH Medium-Duty Hydraulic

A Heavy-Duty Pneumatic

Requirement

Rod Diameter

/8 Min.

Requirement

Stroke

As Required

Use Fractions Where Required

Shown as Gross

Stroke Including

Dual Piston or

Stop Tube Length

Requirement

Cushions

CF Cushion Front

CR Cushion Rear

CC Cushion Both Ends

Requirement

Mounting

See Chart A

(Page EP-5)

Requirement

Feedback Mount H Standard Rear Head Mount D Detachable (MTS Only) O Customer Supplied Feedback Device C Rear Head Mount with Clevis Mount

& Enclosure

Requirement

Feedback Brand FX Fitted for Customer Probe MT MTS Standard LH MC MTS Standard LC

BA Balluf Standard GE Gemco Standard

Requirement

Feedback Type

1 LDT Analog Output

2 LDT Digital Output 3 LRT 4 None (Customer

supplied)

Requirement

Input 1 13.5 to 26.4 VDC 2 24 VDC

Requirement

Valve Mount 0 None Required 1 Servo Valve Manifold Base

(Customer to supply footprint)

2 Standard DO Pattern

(Please specify)

Requirement

Output 1 Analog 4-20 MA 2 Analog 0-10 VDC 3 Analog 20-4 MA 4 Analog 10-0 VDC

5 Digital RS422 PWM

6 Digital RS422 P/P 7 Digital Binary

Requirement

Connector RG Standard 7 Pin Micro RB 10 Pin Threaded Connector

MS 10 Pin Bayonet Style RO Integral Cable Pigtail

Connection

HO Integral Cable with Heavy-

Duty Jacket (Specify length)

Requirement

For any questions on base cylinder, refer

to specific brochure or visit our web site at

www.sheffercorp.com

Page 8

The Sheffer Corporation

6990 Cornell Road • Cincinnati, Ohio 45242 (513) 489-9770 • Fax: (513) 489-3034 sheffercorp.com