NO4I; Brand Allen Bradley · Allen Bradley. Main Product. Technical Reference. SLC 4-Channel Analog I/O Modules User Manual. Legislation and. Find the Other Automation NO4I-USER-MANUAL at PDF Supply. The new NO4I-USER-MANUAL is available online and will ship today. Download. The new NO4I can be purchase online and your order will ship today. Download the technical manual for wiring and installation instructions.

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The 5-bit noise is a problem. Help keep our servers running Some tips for better search results If your power supply is supplying another devices try to use an external power supply only supplying your transmitters.

1764-no4i Please contact us to complete your request. You may have some issues with noise if the conduit carrying the wire isn’t isolated from say discreet control signals or motor leads. Our calculations indicate we have planty of margin on PS. Other then that I’m at a loss. Joe, this is likely NOT the answer to your problem To exclude a word, precede it with a “-“, as follows: Please contact one of our Customer Support Specialists if you have any questions about what is included with this equipment or mznual you require any additional information.

By Joe on 5 March, – One of our friendly Customer Service representatives will be contacting you shortly with information on when the equipment you requested will be available for viewing. Please read those terms and conditions carefully.

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First I would use different power supply than the 1746-no4k for loop power.

This is with the simulator at the control panel. Select the categories for which you would like to see messages displayed I don’t know for sure, but I’ve got a hunch that the P4 power supply is a big part of your noise problem I’ve recommended redoing all the grounds and checking shielding.

By Ron on 9 March, – This is difficult one especially not being there. By Matthew Hyatt on 9 March, – 7: We have checked and added grounds with no improvement. It’s like having the store come to you! We know there are plenty of differences when it comes to used equipment and quite often, choosing between different pieces is difficult, especially when the equipment is not sitting right in front of you.

The NI16 is a multi-class Class 1 or Class 3 single-slot module.

Please note that any additional items included with this equipment such as accessories, manuals, cables, calibration mmanual, software, etc. Remember me on this computer. Thank you for submitting your InstraView Request!

InstraView Request Form To get started: By Bob Peterson on 9 March, – 8: Since the input works OK with an external self powered source and does not with a loop powered external source, you may have some noise or such related to the power source.

You may find the solution to be using a seperate 1746-noo4i supply to power the analog loops. 1746no4i subscription request is being processed. It’s free, and you can customize the content you view, as well as being able to subscribe to threads and topics, getting new posts delivered to your email as they appear.

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When you say that you are 5 bits off the expected value, do you mean that, for example, when you are expecting an unscaled value of binary you get a value of binary ? Just a few things to check, David. Do a very methodical, check of the system. I’m going to go out on a limb and suggest that the problem is probably not noise, at least not localized to the current loops.

Mercury Drive Champaign, IL Another thing I would use mA optical isolater on 4-wire transmitter and see if it is source of problem. Is this in a panel installation or being bench tested?

Rockwell / Allen-Bradley NI4 – In Stock, We Buy Sell Repair, Price Quote

Visit our Post Archive. Do not connect the shield at the intrument casing or housing and this would increase your ground loops and high measurement error.

Do not connect any other load to this power supply specially inductive ones, like relays. Also, don’t rule out the input card.