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Author: Subject: Watlow EZ-ZONE PM process controller: programming
wg48temp9
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[*] posted on 23-5-2022 at 04:40
Watlow EZ-ZONE PM process controller: programming


I won an auction for two pre-used units for a low price(<5% of the new price). They are PID controllers with ramp, soak, profile and RS485 interface.

They are very nice controllers with lots of programmable function with various inputs and outputs. But they are a nightmare to program with its five front panel buttons, a seven segment display and 78 pages of options, way to many complicated options for my old brain to manage easily.

Watlow does provide free PC software to program them that does looks much simpler to use but I am struggling to get the software to interface to them via a cheap usb to RS485 convertor.

For now I am giving up as I don't need all the bells and whistles at the moment. I will use one of those cheap REX-C100 controller that is much simpler to program. Its only for a small hot plate.

watlow-pid-.JPG - 31kB




I am wg48 but not on my usual pc hence the temp handle.
Thank goodness for Fleming and the fungi.
Old codger' lives matters, wear a mask and help save them.
Be aware of demagoguery, keep your frontal lobes fully engaged.
I don't know who invented mRNA vaccines but they should get a fancy medal and I hope they made a shed load of money from it.
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wg48temp9
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Posts: 703
Registered: 30-12-2018
Location: not so United Kingdom
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[*] posted on 25-5-2022 at 09:16


Before I gave up on the fancy controller I decided to try one more time to get the RS485 interface and PC software working.

I am very happy I got it going. I probably had the RS485 incorrectly set up.

The PC software is simple to use. Unfortunately my version of the controller does not have a profile function and only one ramp function.

I also need logging function. Watlow does have software to do that but I would have to purchase it.




I am wg48 but not on my usual pc hence the temp handle.
Thank goodness for Fleming and the fungi.
Old codger' lives matters, wear a mask and help save them.
Be aware of demagoguery, keep your frontal lobes fully engaged.
I don't know who invented mRNA vaccines but they should get a fancy medal and I hope they made a shed load of money from it.
View user's profile View All Posts By User

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