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10/29/2010 4:35 AM | |
Posts: 11 Rating: (0) |
Dear my friend, Can you help me? How to communicate Modbus between S7-200 CPU224 and PC. Now I have PLC S7-200, Cable USB/PPI, Cable RS232, Cable RS485 I try to use programming Modbus Master PLC and testing to Software Mobus. But it's not success. Timeout signal from Software. So I wonder anybody can help me. Now I connect to Modbus software by connect to PLC (diagram Port 0: 3+ and 8-, 2 GND) -I have 2 problems: 1- How to connect Modbus to other devices as Master Before testing to other devices. I want to test to Software. When PLC is as Master.Do I connect PLC to Slave Modbus software on PC? [schnippschnapp] second question is splitted to How to connect Modbus to other devices as Slave. Please give me some devices. Thanks and best regards |
Last edited by: O_Moderator at: 10/29/2010 11:39 AM |
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