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Bill, I agree with your points, and it is the policy this company follows. Assuming we are sending someone in for tip force check of a pedestal mounted weld gun. We would want the robot disabled, if not part of the activity. Under these conditions do we need a second key that when activated...

Hello, My company has used trapped key systems to allow someone to enter a robot cell to touch up which requires valve power on. We also allow entry into the cell with valve power off, and the robot fence circuit open. We are eliminating trapped key, but my counterparts would like to have a...

All, I have ANSI B11.19 1991, and I believe this was the first year that Control Reliability was mandated, and defined. Please correct me if I am wrong. Thanks you in advance.

Once you have the system installed and in production I would suggest running a trend of safety I/O, and checking it daily for any errors, you might have seen the scanner clear while the ring switches were indicating the robot was in an unsafe position. As far as the base limits and scanner in...

Get J1939/03, its $59.00, $47.50 if you join. Seems like a good deal to me. I have the automotive standard and it was well worth the price for software development. http://www.sae.org/technical/standards/J1939/03_200812

Purchase the J1939 Standard, you will find all your answers there.

"when you drill down with RSLinx you can set or clear the path that was in there before." Is a mis-statement, or at least confusing, RSLinx is an application, not a menu choice. Using Communications->Who Active would have been a correct statement. My reply to you was an expression of...

OK, Confused by reference to RSLinx, Found Set Project Path in RS5000 and all is well. Thanks for help

Can you be more specific about drilling down, we are working from a single laptop then a single terminal once in the plant, so the drivers will have the same name. I am trying to correct this situation, so the plant techs don't need to use Who Active, you can connect to the wrong processor...

Controlsdude thanks for your prompt reply, I should have been more specific in my post. I am trying to find out why this occurs, for my own edification if nothing else, the file has a communication path and even when the path is correct I still seem to have this trouble. My thinking is that...

I have several RS5000 projects and when I opne some of them if I select Communications->Go Online all is well, some files however give me a communications path error. When I get this error I go online using Communications->Who Active and even if I save the file I still have to use Who Active to...

I would also recommend Automation Direct, their programming soiftware may still be free, it supports all AD processor families. I would get an input simulator, an input module rated at the voltage you are using and a contact output module.

I would consult anthropometric data, and determine the mean average height, male female, and place the middle of the screen at that height, if I had that data with me I would provide it. I would also recommend providing a method of rotating a little (tilt), say plus or minus 10 degrees, about...

I noticed that the RIN instruction will alow the same input to be used for both inputs of the block. This seems a little odd to me as it will allow the user to fatfinger the control reliability right out of the instructiom. Doesn't this seem odd?

I currently have an application where I am unloading 4 columns of part from a rack and loading them to a transfer system where they are indexed one at a time into a press. The parts are roll formed and there have been reports where two parts, from the same column, are picked up by the robot. I...

TheMcNasty, I am an old dog with 15 years as an electrician and 20 years as an engineer who loves ST, its benefits are clean structured coding, searching, communication, data handling, the list just goes on and on. ST allows the PLC to live up to the fact that it IS a computer. I just wish...

What does setting that property do? I have always set up a separate ladder and simulated my process with that i.e. I/O status.

The Emulator is available too.

In one of our plants we have a policy of testing edits for a couple days before assembly, if a problem arrises the tech can untest the edits to see if the changes are the cause, the caveat is that to make changes the edits have to be untested and the new changes become part of the test.

Some servos look for a home pulse from the encoder. The pulse will occur once per revolution of the encoder. In a past life I would return the servo to a known position, using a limit switch, then issue the home command, the servo would move in a direction I would specify until the Z pulse...