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Quick Start Guide Installation of MR-7 Series In-cylinder Position Sensors

Mechanical installation: MR-7 in-cylinder position sensors are designed to be inserted into an o-ring port machined into the rear endcap of the hydraulic cylinder.  Standard MR-7s use an SAE J1926-1 -8 port with a 3/4-16 UNF thread. Metric threaded versions use an ISO 1649-1 port with a M18 x 1.5 thread. Both ports are Illustrated below.  For either size port, the sensor's male thread comes with a Viton o-ring installed.

SAE J1926-1  -8 Port

ISO 1649-1 M18 Port

 

Before insertion of the sensor, the cylinder rod must have a 5/16-inch (8 mm) diameter (minimum) blind hole gun-drilled into it from the piston end that is at least 1 inch deeper than the nominal measuring range of the sensor. Ensure that the material of the cylinder rod is specified to ASG for proper calibration.

If the mechanical details are correct, the cylinder rod should be moved to its fully retracted position. The sensor may then be inserted into the o-ring port and tightened down with a wrench on its hex.

Electrical connections: Connect MR-7 sensors to the electrical system according to the following charts:

 4-Conductor Cable

I/O Function

Cable Color

+DC Voltage input

Red

Ground

Black

Analog output

Green

SenSet™

White

 5- Pin M-12 Connector

Cable

I/O Function

 Pin

Color *

+DC Power input

1

Brown

Ground

2

White

Voltage output

3

Blue

Current output

4

Black

SenSet™

5

Grey

*Cable colors shown are for industry

standard M-12 cord set mating plugs

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SenSet: Instructions for the SenSet™ procedure can be found on here. If the SenSet feature is not being used, trim and insulate the end of the SenSet wire or cut it off completely.

 

Our Technical Support Staff:  We have more than 150 years and three generations in the position sensor business and are expert application engineers at what we sell. We have real world experience and know how to solve your measurement challenges. Need help technical help with your measurement application? Call us today 856-727-0250. 

Our Web Site: We are constantly improving our website and adding new sensors to our product offerings.

 

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Distributors For:

HGSI Temperature Sensing Products

Temperature Sensing Products

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