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RS485- ASCII PROTOCOL COMMUNICATION WITH S7-1200
Created by: Shrirangan at: 9/21/2013 12:58 PM (1 Replies)
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| 9/21/2013 12:58 PM | |
Joined: 1/4/2013 Last visit: 9/28/2022 Posts: 9 Rating:
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HELLO ALL, I AM FACING A PROBLEM WITH COMMUNICATING S7-1200 PLC THROUGH RS-485 ASCII COMMUNICATION WITH HYPERTERMINAL, HARDWARE COMPONENTS USED ARE : 1. PLC - CPU-1214C DC/DC/DC 2.COMMUNICATION MODULE - CM 1241 RS422/485. 3. HEXIN RS232 to RS485 CONVERTER. CABLE CONFIGURATION NEAR PLC COMM MODULE IS 3 & 8 (Tx+ & Tx-) I HAVE CONFIGURED HYPERTERMINAL COMMUNICATION SETTINGS, AND I AM USING PTP INSTRUCTIONS FOR RECEIVING & SENDING DATA THOUGH PLC, SCREENSHOTS ARE ATTACHED WITH THIS THREAD. a.THE PROBLEM IS WHATEVER THE DATA I AM SENDING FROM PLC IT IS RECEIVING IN HYPERTERMINAL. b. BUT THE DATA WHICHEVER I AM ENTERING IN HYPERTERMINAL IS NOT RECEIVING IN PLC. (I HAVE USED DATATYPE - STRING IN RCV_PTP-BUFFER) SO PLS HELP ME WITH THIS PROBLEM WHETHER ANY SPECIAL CHARACTERS HAS TO BE ENTERED IN HYPERTERMINAL OR ANY OTHER SETTINGS HAS TO BE MADE IN PLC AttachmentRS485 COMM.zip (609 Downloads) |
Last edited by: Shrirangan at: 9/23/2013 7:08 AMLast edited by: Shrirangan at: 9/23/2013 7:07 AMShriRang |
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| 8/20/2025 8:32 AM | |
Joined: 2/25/2025 Last visit: 9/1/2025 Posts: 1 Rating:
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Hi, Did you find a solution? I'm also using the same thing. I have to read the barcode scanner data. |
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