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<title>Home - All Categories - Rockwell In-chassis  - ControlLogix  - MVI56E Series  - MVI56E-MCM  </title>
<link>https://www.prosoft-technology.com/kb/category.php?id=105</link>
<description>This RSS Feed contains Articles of Category in the knowledge base. You can click on the title to view its content. Powered by PHPKB Knowledge Base Script (http://www.knowledgebase-script.com)</description>
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										<guid>https://www.prosoft-technology.com/kb/article.php?id=90</guid>
										<title>What causes a conditional command to be issued?</title>
										<link>https://www.prosoft-technology.com/kb/article.php?id=90</link>
										<description><![CDATA[A conditional command is useful when the same value does not need to be written to the end device continuously, but rather on change.&nbsp;       A conditional write command is scanned based upon its poll rate (like all other commands).&nbsp; The...]]></description>

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										<guid>https://www.prosoft-technology.com/kb/article.php?id=33</guid>
										<title>When I increase the ReadData or WriteData array sizes in my program, all of the configuration parameter values go to 0.</title>
										<link>https://www.prosoft-technology.com/kb/article.php?id=33</link>
										<description><![CDATA[When controller tag array sizes are changed in the ControlLogix platform, RSLogix5000 re-initializes all of the tags within that data type. This sets all values to 0 in all tags within that group. Before changing any controller tag array sizes, the...]]></description>

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										<guid>https://www.prosoft-technology.com/kb/article.php?id=307</guid>
										<title>What is the difference between your MVI56E-MCM and MVI56E-MCMR modules?</title>
										<link>https://www.prosoft-technology.com/kb/article.php?id=307</link>
										<description><![CDATA[The MVI56E-MCM and MVI56E-MCMR modules share nearly the same Modbus functionality, but the MVI56E-MCMR module pages user data in a block of 40 words at a time as opposed to 200 words for the MCM.&nbsp; This is due to the available bandwidth of...]]></description>

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										<guid>https://www.prosoft-technology.com/kb/article.php?id=384</guid>
										<title>How to avoid slow data updates on a Modbus network with an MVI56(E)-MCM or MVI69-MCM when some Slaves are either not on-line or not functioning correctly?</title>
										<link>https://www.prosoft-technology.com/kb/article.php?id=384</link>
										<description><![CDATA[A customer wrote:  "Prosoft Modbus communication modules for Allen Bradley, like MVI56-MCM,&nbsp;experience timeout problems and polling delays&nbsp;on RS-485 multipdrop networks if slaves are powered off or faulty.&nbsp;       For example, if we...]]></description>

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										<guid>https://www.prosoft-technology.com/kb/article.php?id=238</guid>
										<title>How can I configure the module to store and initialize input values on reset or powerup?</title>
										<link>https://www.prosoft-technology.com/kb/article.php?id=238</link>
										<description><![CDATA[You can initialize the input data (ReadData) with cached values from the processor on these In-Chassis modules so that these values do not get reset to 0 during a module reset or powerloss. To do this the parameter labeled "Initialize Input Image" or...]]></description>

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										<guid>https://www.prosoft-technology.com/kb/article.php?id=97</guid>
										<title>What is the purpose of the UseGuardBand/GuardBandTime or InterCharacterDelay parameters in an MCM module?</title>
										<link>https://www.prosoft-technology.com/kb/article.php?id=97</link>
										<description><![CDATA[Due to timing variations in various Modbus devices, it is possible for a Modbus master to have problems sending write commands to the MCM slave port while having no issues with read commands.       In such cases, the "Use Guard Band" and "Guard Band...]]></description>

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										<guid>https://www.prosoft-technology.com/kb/article.php?id=177</guid>
										<title>Where are the on-board jumper positions defined for my MVI module?</title>
										<link>https://www.prosoft-technology.com/kb/article.php?id=177</link>
										<description><![CDATA[On bottom of the circuit board for any MVI products, you&#039; ll find three jumper banks: COM1, COM2, and Setup.             Each jumper position is labeled 232, 422 and 485.]]></description>

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										<guid>https://www.prosoft-technology.com/kb/article.php?id=345</guid>
										<title>Which ProSoft products can communicate with a Honeywell DCS System?</title>
										<link>https://www.prosoft-technology.com/kb/article.php?id=345</link>
										<description><![CDATA[Most Honeywell DCS Systems support either Serial Modbus or Modbus TCP communication.&nbsp; If your application involves Rockwell Automation PACs or PLCs than consider one of our In-Chassis modules such as the MVI56E-MCM or the MVI56E-MNET.&nbsp; If...]]></description>

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										<guid>https://www.prosoft-technology.com/kb/article.php?id=182</guid>
										<title>Apparent data corruption in 33 words of MVI56-MCM or MVI56E-MCM ReadData or WriteData arrays.</title>
										<link>https://www.prosoft-technology.com/kb/article.php?id=182</link>
										<description><![CDATA[In your controller tags, if MCM.Config.ModDef.ErrStatPtr is 0, then status data is likely overwriting the first 33 words of the MCM&#039;s ReadData or WriteData arrays which would typically be used for Modbus data.    Enter a value of -1 for this...]]></description>

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										<guid>https://www.prosoft-technology.com/kb/article.php?id=351</guid>
										<title>Which of your products support RS-485 serial protocols?</title>
										<link>https://www.prosoft-technology.com/kb/article.php?id=351</link>
										<description><![CDATA[Almost all ProSoft solutions for serial based protocols support RS-232C,  RS-485 and RS-422 electrical interface types, but equally important is the &#039;language&#039; or application layer protocol needed for your application.          ProSoft...]]></description>

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										<guid>https://www.prosoft-technology.com/kb/article.php?id=509</guid>
										<title>Where is the configuration for the MVI56(E)-MCM?</title>
										<link>https://www.prosoft-technology.com/kb/article.php?id=509</link>
										<description><![CDATA[The MVI56(E)-MCM is configured via controller scoped tags that are automatically generated when the rung of ladder is imported into RSLogix 5000.&nbsp; This rung of ladder also contains the AOI that is used to transport data back and forth to the...]]></description>

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