DTW-221,217,123 Modbus communication Problem
DTW-221 & 217 new serial communication cable install
DTW- 123 VFD controller and Modbus serial communication cable check Done. there have no problem in the field.
Now DTW- 221 & 217 Remote Operation in Scada
1 :MW03B 2: MW14A 3:MW08A 4: MW13B
Previous ONU frequently becomes unstable/hang. So replace the ONU.
DTW-122,123 optical fiber maintenance: We check TJ box in both dtw. Optical fiber checked by Leaser Light. Leaser light throw from dtw-122 to…
There is so much dust so we Plant grass to prevent road side dust
Due to solving those problems : Modbus ground connection check. VFD frequency regulator loose connection check. SPD check . RJ-45 connector check. Cable…