Saturday, April 30, 2011

Setup the Profibus Communication





The G3 can be configured to robust its configuration once the PLC is setup. Data Station Plus or Modular Controller to correspond on Profibus DP, a card of Profibus Option must be fitted in the device.

Setting up the Profibus communication
Go into the module of communication and choose the G3. Select the Edit key to choose the Option card on the right hand panel. Choose Profibus Option card and enter OK. The card option showed in the tree of communication. Choose the Interface of Profibus and click the Edit key to choose a driver. Click OK to select the driver of Profibus DP. Now Crimson displays the driver settings where the Station Address can be adjusted. This address is the address of G3 on the network of Profibus. No settings of Baud Rate as the option card of Profibus identifies the transmission rate automatically. Now a device called PLC1 is displayed under the Interface of Profibus.

Setting up tags
Tags can be made to contact the PLC block once the communication is set up. First, make a variable that communicate to the data type required. Choose the variable and change the name eventually. Next, click on Internal to mapping on the right hand side panel, and choose the PLC1, which is the Master of Profibus.

In the arise window, pick the type of block required. Two choices are offered:
• Input block: The input of terminology is from the Siemens standpoint. Consequently this will be the G3 block will write to. The mapped tag to an input block must be setup as Write Only.
• Output block: The output of terminology is from the Siemens standpoint. Consequently this will be the G3 block will read from. The mapped tag to an output block must be setup as Read Only.


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