mitsubishi modbus problem

другие контроллеры
zubair136
Posts: 17
Joined: Tue Feb 20, 2018 5:28 pm

mitsubishi modbus problem

Post by zubair136 »

Am using FX3u Plc . with a card FX3U - 485ADP- bd.


am Trying to get the value of DO Sensor at the ADDRESS d8194. i have checked with modscan 64 the value of sensor is coming at D8194.

i want to read that vlue in plc . but unfortunately i could not . dont know what is the problem with my program . so i am sharing the program with modbus table + modscan screen shot.

kindly help me out what is the main fault.

My settings are 9600, 8 , 1 , none

physicall i shorted the terminal at SDA + RDA , SDB + RDB

help me out if you can share any sample program for that . will be great help .
zubair136
Posts: 17
Joined: Tue Feb 20, 2018 5:28 pm

Re: mitsubishi modbus problem

Post by zubair136 »

https://mrplc.com/forums/topic/45413-mo ... ent-202745

i have attached my proram and manual also
zubair136
Posts: 17
Joined: Tue Feb 20, 2018 5:28 pm

Re: mitsubishi modbus problem

Post by zubair136 »

resolved issue . everything is simple as communicated.

i can share my code if anyone wants