Rs Logixs 5000 Ip addressing.

[MountainGoat]

Need walked through.....


I know the Ip adresss of something I want to connect to from the office to the area where the data collector is. However when I put an Ip adress....Ip4... in my Ethernet adaptor in properties the device does not show up in Who Active or Rs Who..... the Ip adress is for a data concentrator. 172.20.1.30

Here is how the ethernet switches from different machines send production counts ect talk to the Data Collector.

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[zbang]

From the description, it's really hard to tell what IPs you're putting where, and the diagram is too small to read.

 

[MountainGoat]

From the description, it's really hard to tell what IPs you're putting where, and the diagram is too small to read.

Yes. I have tried alot of it adresses but it still wont see or connect to the Data Concentrator. I want to connect to the data concentrator and look at the PLC program with RSLogix5000. It's on the diagram all the way to the right

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[suemarkp]

What IP are you putting in your computer for its address? It cannot be the same as any of these devices or it will conflict. Perhaps use 172.20.1.2. What subnet mask are you using (and what are these devices using)? Is it 255.255.0.0 or 255.255.255.0? It looks like some things have a 172.20.3 address, so subnet mask could matter. I'd pick 255.255.0.0 if you don't know, but its best to use what the devices are using. Once you've done this, open a command prompt (type "cmd.exe" in the search or run box) and type "ping 172.20.1.30". If it says unreachable, then something is wrong. If it answers, your software should see it.

 

[MountainGoat]

Thank you for the reply. Yes i need a sure fire way to understand these IP adresses. I know that somtimes our internet has issues but I can log on to the machine no problem.

The data connector I tried .10. . 4 at the end of my ip adress but did not work. Yes its a different subnet mask as well.


Please explain how you just know what ip adress to put in the ethernet adaptor?

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[suemarkp]

If there is no router in the system, your computer and the data collector system must use the same network part of the IP address. With a 255.255.0.0 mask, that means your computer must have 172.20 as its first two address bytes. If the subnet mask is 255.255.255.0, then your computer must have 172.20.1 for the first three address bytes. The remaining digits can be anything you want as long as nothing else is using the same address (so you need to know the address of everything on this network to prevent conflicts).

Note that if your computer is already on a network, you need to get it off that network, change your full IP address to this 172.20.1.x one, and physically plug in to only this network. When you are done, reset the address in your computer back to what it was (most use DHCP to get an address assigned to them, but it could be a fixed static address too).

 

[MountainGoat]

Thanks ip adressing is confusing. So its not just the adaptor? I have to change somthing else?

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[zbang]

Hmm......
Every device needs a unique IP address, a subnet mask, and maybe a default gateway.

The network part of the address is the bit-wise AND of address and subnet mask; the host part is the other part of the address. So in an address of 172.20.3.145 with a mask of 255.255.192.0 the network part is 172.20.0.0 and the host part is 0.0.3.145.

Only devices on the same subnet can talk to each other without using the Default Gateway. So if 192.168.1.124 want to talk to 172.17.3.12, it sends to the the default gateway which forwards to the right place.

So, if the data collector is on 172.20.1.30 with a subnet mask of 255.255.0.0, set your computer to another similar address like 172.20.1.234 and they should communicate.

see also https://en.wikipedia.org/wiki/IP_address

 

[MountainGoat]

Thank you. This is becoming clear.

When our company production software stops updating on L2L they ask us to check what's wrong.

What the issue is we have a automated machine that stamps and wraps parts. The wrapper is counting the wrapped parts and sending that count to Leading to Lead and the data concentrator and then uploaded on our software displays that shows the counts of machines.

I use the labtop to connect to the wrapper no issues with RSLogix5000. Then I find where the count sent from programs Liner A and Liner B to production program all in wrapper logic to L2L (Leading to Learn).

They say we can connect right from the office and see L2L, but I have been unable as of yet.


I should be able to reset the issues with the counting on wrapper on RSLOGIX5000. But L2L doesn't always update.



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[MountainGoat]

Here is some logic for the counters from liner A and Liner B and production programs 5o update L2L counts on computers

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[hbiss]

Sounds to me like your company needs to have available an IT person or at least someone who understands networking to troubleshoot these problems. Might also help if they understood something about Allen Bradley RSLogix 5000 from what you saying I have absolutely no idea. The two of you need to work together.

 

[MountainGoat]

Yes that is right they had a contractor doing this and they messed it up. I can log onto any other machine with RSLogix5000 but the data concentrator is harder.



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[MountainGoat]

Hmm......
Every device needs a unique IP address, a subnet mask, and maybe a default gateway.

The network part of the address is the bit-wise AND of address and subnet mask; the host part is the other part of the address. So in an address of 172.20.3.145 with a mask of 255.255.192.0 the network part is 172.20.0.0 and the host part is 0.0.3.145.

Only devices on the same subnet can talk to each other without using the Default Gateway. So if 192.168.1.124 want to talk to 172.17.3.12, it sends to the the default gateway which forwards to the right place.

So, if the data collector is on 172.20.1.30 with a subnet mask of 255.255.0.0, set your computer to another similar address like 172.20.1.234 and they should communicate.

see also https://en.wikipedia.org/wiki/IP_address

Yes i will confirm the adresses

I know i used a different subnet mask so I will upload that data once I can confirm it and then we should see.

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[MountainGoat]

Here is the Ip adress and subnet mask

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[MountainGoat]

What IP are you putting in your computer for its address? It cannot be the same as any of these devices or it will conflict. Perhaps use 172.20.1.2. What subnet mask are you using (and what are these devices using)? Is it 255.255.0.0 or 255.255.255.0? It looks like some things have a 172.20.3 address, so subnet mask could matter. I'd pick 255.255.0.0 if you don't know, but its best to use what the devices are using. Once you've done this, open a command prompt (type "cmd.exe" in the search or run box) and type "ping 172.20.1.30". If it says unreachable, then something is wrong. If it answers, your software should see it.

Here is 4he devices and they're respected in addresses.

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[suemarkp]

How are you accessing these devices -- are you plugging a laptop directly into one of the open network switch ports on these concentrators, or using some corporate LAN 10 routers away from this? I would not use the port labeled "console" at first, as it may be addressed differently. Your computer needs an address assigned to its wired LAN card. What address is assigned to that card and is its assigned subnet mask 255.255.255.0? You should be able to ping the .10 and .30 devices by typing "ping 172.20.1.10" or "ping 172.20.1.30" from a command window in your computer. Once all of this works, fire up your software and try and talk to the concentrator.

 

[MountainGoat]

The issues began when they put in our Ehternet access to the Data Concentratir in the office. We are supposed to be able to check counts from the Data Concentrator from the office. I am configuring my adaptor like we have talked many times.

Otherwise I am setting up Rs Linx the same way using an Ip address very simular to the one suggested up above for my adaptor and putting that subnet Mask in as well.

The funny thing is is doesn't show up on Rs Linx at all and thats confusing.

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[suemarkp]

If you are trying to access this from the office, it probably isn't going to work. The network subnet (address) in the office most likely is not 172.20.1.x. That means you need an address consistent with the subnet in the office and a default gateway address entered into your computer. But it still won't work -- 172.20.x.x address are not routable (just like most of us have 192.168.x.x. addresses at home which are not routable and use NAT and a router to reach the rest of the world) so a router won't get you to them unless you have an explicit route statement in your machine and routers. To know if that has been done requires talking to the area network admins.

With private IP addressing (portions of the 172.x.x.x range), you may need to physically go to the concentrator and plug in unless someone has designed a network topology to allow this (or extended the 172.20 subnet to your office on certain jacks).

 

[MountainGoat]

I know we have an explicit route for the concentrator just so we can check the Data Concentrater because its in another locked part of plant and they supposedly just worked on it,but when I scanned with rslinx the ip didn't pop up. I added it to Rslinx but as you can see in the pictures some of the addresses it was still searching for. I have included some pictures of Rs5000 of how it looks from there.

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[MountainGoat]

Checked the Data Concentrator ethereal port from the office and this is what it reads.

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