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About PM866 Modbus RTU error code -7011 question
Hello
I use PM866 port 3(cable use TK212A) bridge one DB9 male connect to slave decvice (Phcenix SCK-C-Modbus) test modbus RTU commmunication (point to point)， in CCB MBConnect was valid but MBRead I always got -7011.
I saw error code description but still no ideal, so want to ask everybody how to solve this problem?
I use PM866 port 3(cable use TK212A) bridge one DB9 male connect to slave decvice (Phcenix SCK-C-Modbus) test modbus RTU commmunication (point to point)， in CCB MBConnect was valid but MBRead I always got -7011.
I saw error code description but still no ideal, so want to ask everybody how to solve this problem?
