vanilla_gorilla
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Writing via ethernet to Cognex Insight 5400
vanilla_gorilla posted a topic in General Topics - The Lounge
Description.. OCV String comes from "network" into Insight it then verifies the "image" against this string on a trigger pulse from PLC, upon OCV it triggers a "Good to go" bit in the PLC. My variable is the string that I need to compare the image against (liken it to a print job) I've started playing with the Insight OPC server but was wondering if there maybe a better way to do this ? Im trying to avoid inputting a string via RS232 if I can avoid it. I was hoping to have the camera as a static IP on the network and our MES system to "write" the "STRING" to a cell in the Insight Spreadsheet to compare the image against. I couldnt find anywhere else to put this, so moderator please move if appropriate. Anyone have any clues or experience they could pass on ? Cheers -
1756-ENBT/A
vanilla_gorilla replied to vanilla_gorilla's topic in Allen Bradley / Rockwell Automation
I'm glad to say that this was the fix, maybe in my stupidity or old age I dont recall having to register a devide with the EDS hardware tool, maybe Ive hust been lucky !! Thx to all -
1756-ENBT/A
vanilla_gorilla replied to vanilla_gorilla's topic in Allen Bradley / Rockwell Automation
Yep, I can ping it and get a reply. I downloaded the Rev4 EDS, still no joy. Comes up with a yellow question mark, seems to identify as a 1756-ENBT but still has unrecognised device. Even after downloading the latest EDS when I connect via DF1 in the module properties window I still get internal state unconnected in the module info tab... Any ideas ? (Is there a specific way to "register" the new EDS or just dumping it into the EDS folder should suffice ? -
1756-ENBT/A
vanilla_gorilla replied to vanilla_gorilla's topic in Allen Bradley / Rockwell Automation
Both modules are 1756-ENBT. I took the liberty of shortening "ethernet" by using ENET and obviously caused some confusion. -
2 Chassis on my "local" network #1 with a 5555 and ENBT, #2 with 5561 AND ENBT Both connected to the same hub. I can connect via ethernet to # 1, I can only connect to #2 via DF1 Linx sees #2 as 1756-ENBT, UNRECOGNISED DEVICE All Subnet and gateway info is the same for both Both have different ip adresses (and scrolling the ip on the module) When looking at both module configurations in 5000, everything is the same except :- #2 is a different rev (4 vs 1) and in the module info tab, #2 under INTERNAL STATE give UNCONNECTED where as #1 (the one that I can connect to via ethernet) says RUN MODE as the internal state... I can't for the life of me access #2 via ethernet and I'm not sure what else to try Can someone enlighten me ? Cheers
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Selecting an OPC Server for AB ControlLogix
vanilla_gorilla replied to mzwilli's topic in Allen Bradley / Rockwell Automation
We recently went with RSLinx and RSSQL in a CLX/SQL based application -
Fellow control engineers... We have an upcoming application where a CLX platform has to pass data to and from an SQL Server. This machine will be in manufacturing and will be passing lot data, time start etc information. There is an idea kicking around of using Online Development Inc's XCoupler and Xcoupler Workbench configuration tool (http://www.oldi.com/index.htm) Now there is or could be an Ethernet Module (tcp/ip) or two in the CLX rack, and I was wondering if we really needed a "bridge" if we could fire the data out on enet and capture with some coding on the SQL side ? Anyone have any experience doing this type of data transfer, what does and doesn't work, things to avoid etc etc... Any opinions or advice is welcome at this point ! Thx
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Little off topic :- VB form opening excel file
vanilla_gorilla replied to vanilla_gorilla's topic in Computer Help and Networking
Im opening a file that is a CSV from a button on a user form Once open I want to analyse some data and throw results back to text boxes on the form..... (Such as Start Time, Stop Time etc..) I can get excel to open no problem, I'm just having problems have it open with the "user selected" file they selected from the user form. open "user file in location X" with Excel, Once open look at cell X,Y and write that info to textbox2.txt etc.... Thx -
Little off topic :- VB form opening excel file
vanilla_gorilla posted a topic in Computer Help and Networking
This maybe a little off topic but figured I would try here. Im writing a VB front end to analyse data in a csv file (exported from excel), this data was collected and exported from a data logger I have installed on a machine and resides locally (or on the network) The user selects the file to "Analyse", by pushing a button on the "form". (after selecting the file through a standard windows interface) I want excel to open this file and from there I can analyse the data. (with code) I can get Excel to open (using "shell") but I cant get it to open the "user selected file" and make that worksheet the active sheet etc.. Was wondering if anyone could point me in the right direction. Incidentally I am using VB Express 2005..... -
Hobo dataloggers from ONSETCOMPUTERS are something new I have been playing with. They have various models for tracking a multitude of events/temps/ etc etc www.onsetcomp.com The software can easily export to excel, where you can do whatever analysis u need to, even writing a small vba code etc... Im not affiliated in anyway, just something I came across, bought a few for work, and currently have 3 installed and logging various things..
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recommended laptops?
vanilla_gorilla replied to donles's topic in Allen Bradley / Rockwell Automation
This is absolutely and probably one of the most important pieces of advise. I am getting a new laptop from work also, and itsgoing to be a dell latitude. Someone else here might know better but a PCMCIA RS232 card might be as good as a real serial port, but a USB to SERIAL convert is NOT the answer. I'm using a P4 Del inspiron 8200 currently and it works judt fine, although a little bulky... Hope this helps a little...Everyone has an opinion, buy what you like, but get a real serial port machine and youll be ok. -
SLC 5/03 Clearing Faults
vanilla_gorilla replied to solder monkey's topic in Allen Bradley / Rockwell Automation
If I recall there is a certain sequence with the CPU key that clears a major status bit error. Run to Prog to Run ?? (It is in one of the tech manuals) -
Ethernet Connection to PLC with Laptop
vanilla_gorilla replied to JAT's topic in Allen Bradley / Rockwell Automation
I'm just going by memory, but as I recall..... I'm not familiar with a Micro 1100 but does it have an ethernet port ?? (Dont confuse it with a DH485 port using an RJ45 connector) Going straight from PC to PLC you will need a crossover ethernet cable PLC should have an IP address already assigned to it, make a new network connection in Windows using the same subnet mask etc, I use the same IP as the PLC but add or take away 1 from the last set of digits. Maybe someone else could elaborate more on assigning an IP to a PLC that doesnt have one, and perhaps there is a way to " sniff " the IP adress of the PLC if you dont know it. (I believe this can be done in RSLINX.... Not much help I'm sure but a little is better than none ! -
SQC and Multiple conditions
vanilla_gorilla replied to vanilla_gorilla's topic in Allen Bradley / Rockwell Automation
Think we are making some headway !! 1 and 2 wont work...(I look at the same sensor in other positions in the sequence) Option 3 may get me to where I am going, not sure yet.... There really is no branch with the "sensor" in it. The entire 16pt input card is mapped to N7:0 and the seq is looking at those inputs. The "GO" button is one of those bits, as is the present sensor etc. (The sequencer is always "live") I should be able to move a new STEP1 sequence into N7:0 if I force the operator to hit RESET before GO if no part is present ? Reset loads a "0" into the Part present "bit" for seq1, operator hits start, line 1 seq is true because part present is not made. Machine does its cycle...When R6:0.DN is true load the original 16 bits back in FOR SEQ1 into N7:0 ??? -
SQC and Multiple conditions
vanilla_gorilla replied to vanilla_gorilla's topic in Allen Bradley / Rockwell Automation
I guess it boils down to the fact that I dont care if the part sensor is made or not really (the machine stops at this point as the end of the sequence and waits for the operator "GO"). I just need to be able to satisfy the "OR" condition as the first step in the SEQ (Other things in the sequence are going on here that dont relate to the issue I am trying to resolve), or have the SQC ignore the sensor state at this point. (But putting a "0" in the SQC makes the PLC look for that "ON" condition) Hope I'm helping here !!