Allen-Bradley-to-ECM by COSASCO Modbus Communication via RS485

Hello Everyone!
I configurated the communication between Allen-Bradley MVI56E-MCM module (Master) to ECM-700930-Slave (Environmental Condition Monitoring System) as per the attached document. The link doesn't communicate.
Please can you advise how it fixes?

Thanks,
Azamat
Hello!

Are the all jumpers ( both devices master/slave) setted correctly..
Is there any error message that you get when trying to establish communication..

Whit more datas we may support better..
 
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