PowerFlex 4_40 with MicroLogix1100 on ModbusRTU_broadcast
PowerFlex 4_40 with MicroLogix1100 on ModbusRTU_broadcast
PowerFlex 4_40 with MicroLogix1100 on ModbusRTU_broadcast
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Distributi<strong>on</strong>: Related to:<br />
x Open x Inverter Use<br />
Rockwell Offices Opti<strong>on</strong>s Use<br />
Drives Team Applicati<strong>on</strong> Experience<br />
_________________(Name) <strong>on</strong>ly<br />
Page 4 of 6<br />
Make sure you adjust the protocol c<strong>on</strong>trol<br />
from the default No handshaking to No<br />
handshaking (485 network) and the<br />
timeouts /delays to 20ms.<br />
Download c<strong>on</strong>figurati<strong>on</strong> to c<strong>on</strong>troller using<br />
the EtherNet c<strong>on</strong>necti<strong>on</strong>.<br />
Once the ML1100 is in run mode, both<br />
COMM0 and COMM1 will be flashing fast<br />
The ML1100 communicates <str<strong>on</strong>g>with</str<strong>on</strong>g> the drive using MSG instructi<strong>on</strong>s <strong>on</strong> Modbus RTU. So we create a<br />
number of MSG instructi<strong>on</strong>s for the Logic c<strong>on</strong>trol, reference , logic status and drive speed feedback..<br />
The MSG instructi<strong>on</strong>s are cascaded so that they all operate in sequence. This scheduling of MSG<br />
instructi<strong>on</strong>s is necessary to ensure that each instructi<strong>on</strong> receives its hand-shake and completes<br />
properly.<br />
Generated by D.J.Withenshaw<br />
Date 05/09/2007<br />
Revisi<strong>on</strong> A
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