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Pepperl+Fuchs Blog

How to Assemble a Linear Encoder Shield Housing for PosiTrack System

Posted by Gerry Paci on Fri, Sep 29, 2017

The PosiTrack Shield is an accessory upgrade for our PosiTrack absolute position linear encoder. You can use the PosiTrack read head for absolute positioning of conveyor vehicles, vertical lifts, or indoor cranes. By adding the PosiTrack Shield, applications in harsh outdoor environments like offshore installations (ships, ports, harbors) or outdoor cranes are no problem.

The Shield's IP69 rating also serves to shelter the read head in high-pressure washdown areas. With integrated heating, temperatures as low as -40 °C keep the read head operating efficiently. The Shield is also downward compatible with current PosiTrack installations.

Linear Encoder Shield Housing for PosiTrack Positioning SystemIn this video, product specialist Tracy Molnar shows you how to assemble the WCS position encoding system read head with the linear encoder PosiTrack Shield assembly. Tracy guides you step-by-step on how to properly assemble the linear encoder shield. With the Shield housing fully installed, you can still see the status LEDs in the front of the WCS read head. If you have the display feature on your read head, you will also see that on the side through the PosiTrack Shield.

 

Transcript

Hi, my name is Tracy Molnar and I am a product specialist at Pepperl+Fuchs. Today, I'm going to demonstrate to you how to construct the PosiTrack Shield. The Shield is an outdoor housing accessory for our linear encoder system WCS read head.

The PosiTrack Shield comes with the following items:

  • The cover
  • The main housing
  • The mounting plate
  • The multitool
  • Two blind plugs
  • A pressure release plug
  • Mounting hardware

You will also need a torque 10 screwdriver and a Phillips head screwdriver. In addition to that, you may also need a sharp tool or a file.

The first step is to install the mounting plate on your read head. Simply line it up and slide it on until it clicks. The next step it to use the torque 10 screwdriver to remove the two lens covers. You can set those aside, as you won't be needing them.

The next step is to take the connector assembly and install it into the main housing in one of the three exit positions. I'm going to put mine on the end. Thread through the socket part, and then install the receptacle end. You can tighten it using the multitool. When you use the multitool on the plug end, you will need to make sure that you line up the holes with the pins in the connector. You can seat the plug end of the cable assembly into the connector holder that's inside the main housing.

Next, take your read head and line up the holes on the mounting plate with the holes in the main housing. You'll install the plug after you tighten down the screws. Use the internal screws, which are the nickel-plated ones, and those will install with your torque 10 screwdriver.

The connector holder has two screws that you will loosen up next. Line up the socket end of the connector with the keyway in your read head. Move the connector holder toward the read head, and then tighten the screws. The connector holder makes sure that the plug won't come out of your read head.

Next, take the cover, line it up with the four holes on the main housing, and use the stainless steel screws with washers to attach the cover to the main housing. This will be the Phillips head screwdriver that you use for this part.

The final step is to install blind plug covers over the two exit positions that you didn't use. The multitool has a flat head that you can use to tighten those.

The pressure release plug goes on the opposite end of the main housing. The multitool also has a wrench that fits that. This plug is used later on—if you need to disassemble the PosiTrack Shield, it releases the pressure inside so you can do that more easily.

With the PosiTrack Shield housing fully installed, you can still see the status LEDs in the front of the read head. The green light is always on when the read head is powered, and when the code rail is out of the slot, the red LED also flashes. With the code rail in the slot, the red LED goes out.

If you have the display feature on your read head, you will also see that on the side, through the PosiTrack Shield, and you can see the position status changing as the read head passes over the code rail.

I hope this instructional video has been helpful to you. If you have additional questions, you can contact our technical support team.

Questions about the PosiTrack Shield?  Ask an Expert!

 

Topics: Troubleshooting, Positioning Systems

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