Kuka Posted August 2, 2016 Report Share Posted August 2, 2016 Hi ALL! I have problem with RS485 in V1040 between V280. I create test program for testing communicate between two controllers. At first i change V280 PORT2 to RS485 terminal and V1040 PORT2 to RS485 terminal. Second connect with RJ12 1---1 6---6 but Master not Read Slave. Can you help me? In attcah test program. MODBUS slave v280 RS485.vlp MODBUS via v1040 RS485 master.vlp Quote Link to comment Share on other sites More sharing options...
lawry Posted August 3, 2016 Report Share Posted August 3, 2016 Have you configured the required jumpers in both the PLCs? 1 Quote Link to comment Share on other sites More sharing options...
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