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max parameter we can read from MM440 by S7 300 Cpu

Created by: viralpatel at: 6/8/2011 7:24 AM (10 Replies)

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6/8/2011 7:24 AM	Rate (0)
viralpatel Silver Member Joined: 11/18/2010 Last visit: 8/5/2022 Posts: 523 Rating: (32)	Dear Friends, maximum how many parameter we can read from MM440 drive 8 or 16 with standard telegram1. and what are the setting required in S7300 hardware config. to read parameter by means of 4PKW -6PZD PPO1 0PKW-4PZD standard telegram1 what are the difference between this type of message frame when and where we can use this type of dofferent frames Viral Patel

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6/8/2011 7:59 AM	Rate (0)
fritz Diamond Member Joined: 10/7/2005 Last visit: 9/3/2025 Posts: 3049 Rating: (1062)	Hello viralpatel the best starting point I can give youis the Operating Instructions MICROMASTER PROFIBUS Optional Board manual which contains all the details on thedifferent PPO (Process Parameter Objects),PZD's (Process data) and PKW's (Paramter data). Thereafter, have a look at the FAQ collection in which you'll find plenty more useful info as well a examples: Micromaster 4 - Commissioing and Operation - Profibus DP I hope this helps
	Cheers fritz The advice and opinion given in this thread is that of the author and does not necessarily reflect the views of I S Systems Pty Limited. To find out how I S Systems can help you with your automation needs please visit www.issystems.com.au.
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This contribution was helpful to 1 thankful Users Ammy

6/8/2011 8:34 AM	Rate (0)
viralpatel Silver Member Joined: 11/18/2010 Last visit: 8/5/2022 Posts: 523 Rating: (32)	Thank you Fritz , for very useful information? viral patel

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This contribution was helpful to 1 thankful Users fritz

6/8/2011 8:50 AM	Rate (0)
Pranab Posts: 63 Rating: (1)	viralpatel Dear Friends, maximum how many parameter we can read from MM440 drive 8 or 16 with standard telegram1. and what are the setting required in S7300 hardware config. to read parameter by means of 4PKW -6PZD PPO1 0PKW-4PZD standard telegram1 what are the difference between this type of message frame when and where we can use this type of dofferent frames Viral Patel Hello, We can read maximum 8 word from MM440 Drive. See the attachment for details setting required in S7300 PLC hardware configuration. Regards Pranab Attachment MM430_S7-300.GIF (291 Downloads)
Pranab Posts: 63 Rating: (1)
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6/8/2011 9:12 AM	Rate (0)
fritz Diamond Member Joined: 10/7/2005 Last visit: 9/3/2025 Posts: 3049 Rating: (1062)	Pranab We can read maximum 8 word from MM440 Drive. Trust me dear Pranabthat you can read (and/or write) plenty more once you start to delve into the weird and wonderful world of DPV1 related acyclic communications or PKW usage.
	Cheers fritz The advice and opinion given in this thread is that of the author and does not necessarily reflect the views of I S Systems Pty Limited. To find out how I S Systems can help you with your automation needs please visit www.issystems.com.au.
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6/8/2011 9:54 AM	Rate (0)
viralpatel Silver Member Joined: 11/18/2010 Last visit: 8/5/2022 Posts: 523 Rating: (32)	Dear Pranab, if only 8 parameter we can read/write then what if we required more then this.

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6/8/2011 11:04 AM	Rate (0)
Pranab Posts: 63 Rating: (1)	viralpatel Dear Pranab, if only 8 parameter we can read/write then what if we required more then this. Hello viralpatel, If you see parameter P2051 of MM440 then you will find that there total 8 index and this parameter data transfer from drive to PLC. So you can transfer max. 8 word from MM440 to PLC.
Pranab Posts: 63 Rating: (1)
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6/8/2011 11:24 AM	Rate (0)
KSN Platinum Member Joined: 8/25/2006 Last visit: 8/22/2025 Posts: 2218 Rating: (282)	Pranab If you see parameter P2051 of MM440 then you will find that there total 8 index and this parameter data transfer from drive to PLC. So you can transfer max. 8 word from MM440 to PLC. Hello. P2051 defines only PZD part of telegram, but fritz told you about PKW mechanism.

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This contribution was helpful to 1 thankful Users fritz

6/8/2011 11:29 AM	Rate (0)
viralpatel Silver Member Joined: 11/18/2010 Last visit: 8/5/2022 Posts: 523 Rating: (32)	yes, you are right KSN, if werequied more parameter access we have to go for PKW as i read document. viral patel

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6/8/2011 2:42 PM	Rate (0)
fritz Diamond Member Joined: 10/7/2005 Last visit: 9/3/2025 Posts: 3049 Rating: (1062)	Hello viralpatel don't forget that - as mentioned before - you can also usethe so called "acyclic Parameter read/write" functionality which you may find easier to use than the PKW based one and you can find out more about in the link below: SINAMICS G120, MICROMASTER 4: Acyclic reading and writing parameters of the frequency inverters via PROFINET and PROFIBUS
	Cheers fritz The advice and opinion given in this thread is that of the author and does not necessarily reflect the views of I S Systems Pty Limited. To find out how I S Systems can help you with your automation needs please visit www.issystems.com.au.
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6/8/2011 4:24 PM	Rate (0)
Vithani Platinum Expert Joined: 7/8/2009 Last visit: 6/7/2025 Posts: 1977 Rating: (479)	Please have a Look at FAQ to know more about PKW... Regards Devesh
	I dont Like people driving Fast, thats the reason I overtake them ;)
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