Re: Brooks Flow Controllers
Thanks for everyone's replies - I've been able to track down the communications manual, and it seems fairly straightforward. That said, if anyone has some old VIs lying around that they don't mind passing on, I'd really appreciate not having to re-invent the wheel :) Cheers, Christopher
RE: Brooks Flow Controllers
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Re: Brooks Flow Controllers
Someone wrote: Has anyone had any experience using Brooks Smart Series Flow Controllers? We've had a customer contact us, and is interested in talking to their controllers using RS-485, but we haven't had any luck in finding the comms protocols... I just happened to stumble across Brooks Flow Controllers. I was looking for some examples and documentation about accessing their Smart DDE software with their external controller. Although we have some VIs from Brooks I did not find them very clean and was looking for information how to access them directly through the DDE interface of LabVIEW DSC. For that I would have to tell the software at startup to intialize the COM port so that I only have to open Advise Links to the Topic Items. The customer promised to come back to me with the documentation he had at home. Lewis Drake [EMAIL PROTECTED] Brooks has a set of LabVIEW drivers for their controllers, check with them. They normally charge for them, but if you negotiate well, you can get them free. We did. There seem to be multiple VIs around. We have the Smart DDE ones which he got from Brooks, not sure if for free ;-) I found also VIs on a German reseller site for Brooks which talk directly to the intelligent controllers. Supposedly they use the HART protocol although I couldn't confirm from the VIs, as I have no experience with HART. Not that they would implement any real protocol, in fact they just send a few hardwired bytes so they would likely only work with those specific controllers. Rolf Kalbermatter CIT Engineering Nederland BVtel: +31 (070) 415 9190 Treubstraat 7H fax: +31 (070) 415 9191 2288 EG Rijswijkhttp://www.citengineering.com Netherlands mailto:[EMAIL PROTECTED]
RE: Brooks Flow Controllers
Chris, I've had good success with these devices in the past. I had to write the LV drivers as none existed then, and to do this you will need the Comms manual. However, beware of the error in the CRC coding example, can't remember specifics and can't find my old copy, but do know they continued to print it even after me filling in a long form - it can have you doubting your sanity!! If you are stuck, contact me off-line and I'll see if I can find the vi's I wrote. Good luck Regards, David Hooper Engineer, Instrumentation Plant Automation Shell Global Solutions (UK) Cheshire Innovation Park, P.O. Box 1, Chester CH1 3SH, United Kingdom Office: +44(0)151-373 5443 Fax: 5843 Mobile: +44(0)7776 464611 Email: [EMAIL PROTECTED] Internet: www.shellglobalsolutions.com Chris wrote: Subject: Brooks Flow Controllers From: Christopher Relf [EMAIL PROTECTED] Date: Wed, 26 May 2004 16:16:23 +1000 G'Day all, Has anyone had any experience using Brooks Smart Series Flow Controllers? We've had a customer contact us, and is interested in talking to their controllers using RS-485, but we haven't had any luck in finding the comms protocols... Ta, Chris ---
Brooks Flow Controllers
Hi Christopher, I'm not sure if this will help or not, but several years back, I worked on a project that incorporated three Brooks Flow Controllers. According to my notes, the model numbers were: 586OE, 5836A1, and 5835D2. (In fact, I'm sure I still have them in a box somewhere if you are interested in picking them up for a bargain... ;¬) Anyway, as I recall, the programming was relatively straight-forward. I communicated with them over RS-232, and as I recall, the (somewhat sparse) information in the documentation was adequate -- with a little reading between the lines and experimentation. The units I used would be about 7 or 8 years old now. I don't know if the communication protocol may have changed for newer models. However, if you are interested, let me know. I probably have the old VIs archived somewhere (in LV 3.1 or LV 4.X format), and I can take a look for you. P.S. How are your book sales coming along...? ;¬) Cheers, Dave Ritter BetterVIEW G'Day all, Has anyone had any experience using Brooks Smart Series Flow Controllers? We've had a customer contact us, and is interested in talking to their controllers using RS-485, but we haven't had any luck in finding the comms protocols... Ta, Chris --- EULA 1) This is a private email, and although the views expressed within it may not be purely my own, unless specifically referenced I do not suggest they are necessarily associated with anyone else including, but not limited to, my employer(s). 2) This email has NOT been scanned for virii - attached file(s), if any, are provided as is. By copying, detaching and/or opening attached files, you agree to indemnify the sender of such responsibility. 3) Because e-mail can be altered electronically, the integrity of this communication cannot be guaranteed.
RE: Brooks Flow Controllers
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RE: Brooks Flow Controllers
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RE: Brooks Flow Controllers
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RE: Brooks Flow Controllers
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RE: Brooks Flow Controllers
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RE: Brooks Flow Controllers
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Brooks Flow Controllers
You wrote: Has anyone had any experience using Brooks Smart Series Flow Controllers? We've had a customer contact us, and is interested in talking to their controllers using RS-485, but we haven't had any luck in finding the comms protocols... Brooks has a set of LabVIEW drivers for their controllers, check with them. They normally charge for them, but if you negotiate well, you can get them free. We did. Lewis Drake Process Automation Corporation Belle Mead, NJ 908 359-1011 www.processauto.com
RE: Brooks Flow Controllers
Thanks Lewis - I appreciate your help. Chris --- EULA 1) This is a private email, and although the views expressed within it may not be purely my own, unless specifically referenced I do not suggest they are necessarily associated with anyone else including, but not limited to, my employer(s). 2) This email has NOT been scanned for virii - attached file(s), if any, are provided as is. By copying, detaching and/or opening attached files, you agree to indemnify the sender of such responsibility. 3) Because e-mail can be altered electronically, the integrity of this communication cannot be guaranteed. -Original Message- From: Lewis Drake [mailto:[EMAIL PROTECTED] Sent: Thursday, 27 May 2004 10:58 PM To: [EMAIL PROTECTED] Cc: [EMAIL PROTECTED] Subject: Brooks Flow Controllers You wrote: Has anyone had any experience using Brooks Smart Series Flow Controllers? We've had a customer contact us, and is interested in talking to their controllers using RS-485, but we haven't had any luck in finding the comms protocols... Brooks has a set of LabVIEW drivers for their controllers, check with them. They normally charge for them, but if you negotiate well, you can get them free. We did. Lewis Drake Process Automation Corporation Belle Mead, NJ 908 359-1011 www.processauto.com
Brooks Flow Controllers
G'Day all, Has anyone had any experience using Brooks Smart Series Flow Controllers? We've had a customer contact us, and is interested in talking to their controllers using RS-485, but we haven't had any luck in finding the comms protocols... Ta, Chris --- EULA 1) This is a private email, and although the views expressed within it may not be purely my own, unless specifically referenced I do not suggest they are necessarily associated with anyone else including, but not limited to, my employer(s). 2) This email has NOT been scanned for virii - attached file(s), if any, are provided as is. By copying, detaching and/or opening attached files, you agree to indemnify the sender of such responsibility. 3) Because e-mail can be altered electronically, the integrity of this communication cannot be guaranteed.
Re: Brooks Flow Controllers
Hi, I've no personal experience with the comm. protocol because we are only using analog control atm. In the past we had some setups using RS-485 and I do have a manual. Communication Instruction Manual Doc. 541-C-053-AAA 10/95 rev. 1.2 Brooks Instrument is part of Fisher-Rosemount and they should be able to supply with the documentation. Dirk Christopher Relf wrote: G'Day all, Has anyone had any experience using Brooks Smart Series Flow Controllers? We've had a customer contact us, and is interested in talking to their controllers using RS-485, but we haven't had any luck in finding the comms protocols... Ta, Chris -- D. Geerts BSc. Delft University of Technology Department of Biotechnology Phone: +31 15 2782383 Fax: +31 15 2482355 [EMAIL PROTECTED]
