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Old March 13th, 2018, 09:08 AM   #1
Moustafa Elsherief
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Profibus/modbus

hello

I use S7-317 CPU in new project to control production line.

I use two old DC motor drives...in old configuration they were controlled using unitelway protocol.

NOW I will use modbus-rtu...... for limited budget I can not use CP341/340
I will use HILSCHER gateway nt 100-dp-rs.

I want to change parameters of ramp up/down "as attached it W22,23" and some other digital bits

Actually Iam very new with modbus communication. and also in using this gateway.

can any one help in how can I transfer date to W22,23 using this gateway from his experience or by example
Attached Images
File Type: jpg NETWORK.jpg (17.1 KB, 4 views)
File Type: jpg DRIVE WORDS.jpg (61.5 KB, 4 views)
File Type: jpg DRIVE TYPE.jpg (24.4 KB, 3 views)
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Old March 13th, 2018, 12:24 PM   #2
gclshortt
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https://www.hilscher.com/fileadmin/c...s_OI_08_EN.pdf

The gateway manual will show you where to put the address for the modbus rtu locations.

What you are looking for is the modbus addresses of the drive.
http://www2.schneider-electric.com/r...r%20Manual.pdf

Here is the option board for the drive modbus information.
http://www.sarl-hallier.fr/Files/Oth...0EXTENSION.pdf

Here is some additional information on Modbus RTU:
https://www.rtaautomation.com/technologies/modbus-rtu/

Hope this helps you out.
Regards,
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