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communication with DCS By RS485

Created by: Walid Elshazly at: 1/26/2010 8:05 PM (1 Replies)

1/26/2010 8:05 PM	Rate (0)
Walid Elshazly Posts: 100 Rating: (0)	Hello all Friends , I have anewmodification Job in an old installed S7 300 CPU , I want to make communication between the CPU 314 with DCS system , only I want to send some I/O Cases andreceive some signals as aremote Inputs , I have been choose The communication Processor CP 341 , Myquestionwas ....... How To make thisJobin The step 7 software...?? and I want to know the Functions that will send andreceivethe data By themodbusCP ....?? Regards
Walid Elshazly Posts: 100 Rating: (0)
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1/26/2010 8:40 PM	Rate (0)
Ammy Platinum Member Joined: 4/19/2008 Last visit: 11/21/2024 Posts: 1525 Rating: (159)	HI, When You installed the CP 341(Modbus Software CD) Software CD it will Installed the Sample project In the Sample Project Tab in the Open Project, This CD is come with Modbus Master or Slave Dongle. you can used the Same for your Application, Holding Resister is stating from 40000, you can used to send the data to the DCS & 30000 to Receive the Data From the DCS, in the Smae Project you will get the all the information related to Modbus, Manual For The Modbus Slave, http://support.automation.siemens.com/WW/view/en/1218007 Manual For The Modbus Master, http://support.automation.siemens.com/WW/view/en/1220184
	Last edited by: Ammy at: 1/26/2010 8:48 PM Ammy New for every one.............. “No duty is more urgent than that of returning thanks.” If Problem Solved......! I can't help you privately - please post in the Forums
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