URGENT: MicroLogix 1200 Serial Communication on Serial

jawad rasool · May 22, 2015

Good Day All,

I've a MicroLogix 1200 and Panel View 300 Micro installed on a package in process and its working fine. PV is connected with 8 pin mini DIN port and HMI/Programmer port is spare.

Now I've to read some tags from this Micrologix1200 PLC via serial communication.

Please suggest me some architecture/philosophy to get this thing done.

Regards,
Jawad Rasool

shazad5444 · May 22, 2015

I didn't get you, what exactly you want to Do. To create a tag in FTV you must have communication between controller and PV. Click HMI Tags / Tags Browser and check can you see the tags from the controller, then go a head and create your tags as you want.

alan_505 · May 22, 2015

Hi Shah, he has a standard PanelView it uses PanelBuilder 32 software.

Alan

jawad rasool · May 22, 2015

Hello All,

I want to connect another device with MicroLogix1200 to read some tags from controller. There are two 8 pin mini DIN ports on MicroLogix1200 one is already occupied by PV 300.

The remaining port can only communicate on DF1 protocol.

Please let me know if anyone has performed communication with a device/personal computer using this DF1 port.

geniusintraining · May 22, 2015

jawad rasool said:
Please let me know if anyone has performed communication with a device/personal computer using this DF1 port.

Yes most of the people use DF1 and odds are the other port is also using DF1

Mickey · May 22, 2015

I want to connect another device

What is this other device?

geniusintraining · May 22, 2015

Mickey said:
What is this other device?

Hi Mickey, I took it as below....

jawad rasool said:
with a device/personal computer

I think they have their HMI on the 2nd port (R) and they are trying to communicate on the other port

Just a WAG

Ken Roach · May 22, 2015

The purpose of the second port is to use DF1 Full Duplex protocol to communicate with a PC or HMI.

The most common software for this purpose is ordinary RSLinx Classic.

Take a step back and think about what the client software is going to be. Excel ? Visual Basic ? Some sort of HMI software ?

Firejo · May 22, 2015

DF1? Sounds familiar.

Firejo · May 22, 2015

So I’m guessing this thread you posted is the same application.
http://www.plctalk.net/qanda/showthread.php?t=95440
So, first off, DF1 is an RS232 protocol. My recommendation would be that you read up on DF1 (http://literature.rockwellautomation.com/idc/groups/literature/documents/rm/1770-rm516_-en-p.pdf).
Yes you can use both ports at the same time however you do need to know how the port is configured (DF1 full duplex, half duplex, what baud rate, etc…). If the port has not been used it’s possible that it has not been configured and is at its default settings. If so it should be at DF1 full duplex with a baud rate of 19.2kbaud. With that you will need RSLinx setup the same way.
What you’ve not said is what are you trying to connect to the port with.

jawad rasool · May 23, 2015

Yes. that thread is also related to this issue.

Please see details and reply on following thread:

http://www.plctalk.net/qanda/showthread.php?t=95440

roxtech · May 24, 2015

Dear jawad,
Do you want to modify in HMI or you want to connect any other device
with PLC.

URGENT: MicroLogix 1200 Serial Communication on Serial

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