rajesh_gklm
Member
I am a beginner!!
I have a sensor which have only RS 485 port having three terminals 485+,485- and Ground. I want to communicate that with EZ touch PLC which have RS 422/485 port which contain RD-,RD+,SD-,SD+ and GND. I just jumpered RD- & SD- and SD+ & RD+. Connected RD- with 485- in sensor and connected and SD+ with 485 + of sensor. Ground of sensor is connected to the ground of PLC. But it is not communicating. I have sent data through RS 485 port through software. How would i know that data is sent through the port??
Please help me
Thank You
I have a sensor which have only RS 485 port having three terminals 485+,485- and Ground. I want to communicate that with EZ touch PLC which have RS 422/485 port which contain RD-,RD+,SD-,SD+ and GND. I just jumpered RD- & SD- and SD+ & RD+. Connected RD- with 485- in sensor and connected and SD+ with 485 + of sensor. Ground of sensor is connected to the ground of PLC. But it is not communicating. I have sent data through RS 485 port through software. How would i know that data is sent through the port??
Please help me
Thank You