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Messages - JRussell

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1
Technical support / RS485 with 7017
« on: April 18, 2012, 04:46:15 PM »
We will be multi-dropping 3 7017 analog modules on a RS485 cable connected to a F1616BA. In one of the application notes for interfacing with the I-7000 modules there is a diagram showing a 9V power supply on the RS485 cable that is required when interfacing with a T100MD. Is this necessary when using the F1616BA, or is the F-series supply voltage through the port?
If it is needed, can that power supply come off the PLC, or does it need to be independent?
And finally, does the 7017 need to be powered separately through the (R)+Vs and (B)GND terminals, or does the unit receive power through the above mentioned RS485 cable?

2
Technical support / daqconnect
« on: December 23, 2011, 08:07:49 AM »
Hi
I am interested in using a F16 plc without a local computer. Daqfactory makes  Daqbridge which is a standalone Modbus master that queries a PLC and uploads data to Daqconnect, on online server. Will this work without the need for the TLserver running on a local computer?

3
Technical support / Re:Pachube integration
« on: November 28, 2011, 03:50:35 PM »
no problem. I'm curious, what kind of data are you uploading to Pachube? I'm uploading water flow meters and tank water levels for greywater and rainwater catchment systems.

4
Technical support / Re:Pachube integration
« on: November 28, 2011, 02:53:34 PM »
I was able to upload to pachube using the print#4 commands. Here is an example of my function:
Print #4 "PUT /v2/feeds/38530.csv HTTP/1.1"
Print #4 "Host: api.pachube.com"
print #4 "x-PachubeApiKey: xxxxxxxxxxxx"
print #4 "Content-Length: 7"
print #4 "Connection: close"
print #4 ""
print #4 "flow,";F;

I was using CSV and was getting this to work without adding <CR>. I'm not using the nano but the F1616 but the programming should still be the same.

5
Technical support / Re:Pachube integration
« on: November 04, 2011, 11:30:48 AM »
Thanks! Glad to hear it should work. I might need a little walkthrough on this.

To open the socket connection would I use the TCPCONNECT tag? i.e.:

PRINT #4 <TCPCONNECT [IP address:portno] of Pachube>

Pachube says that if custom headers aren't supported my PUT request for CSV should look like this:

"PUT /v2/feeds/18834.csv?key=ENTER_YOUR_PACHUBE_API_KEY_HERE HTTP/1.1
Host: api.pachube.com  
Content-Length: 28
Connection: close

0,value1
1,value2
2,value3"

so how would I structure the PRINT #4 and INPUT$(4) commands to comply with the PUT command?

6
Technical support / Pachube integration
« on: November 04, 2011, 08:47:08 AM »
Hi all!

I am interested in transfering data from a tri plc to an online web data service site called Pachube www.pachube.com, where the data can be graphed and view by the online community.

Pachube can pull or have data pushed to it using XML, JSON, or CSV. The PLC manual says the Fserver is compatible with enterprise software using "web query" methods. Since I am not a programmer I can't quite figure out if this connection will work or not.

It seems like the CSV would work since Excel can query the Fserver for data but I would not rather have excel running on the host computer but rather upload data directly to Pachube.

Could anybody just let me know if Fserver is compatible with XML or JSON? Any advice would be very helpful. Thanks!

ps pachube code info is here
http://community.pachube.com/quickstart

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