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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….
Findings: Lots of hanging TJ box is visiable. Action Taken: Reduce TJ box replacing optical fiber.
Problem: : Modbus com interrupt problem.Problem found:The serial communication cable was cut by rat 🐁. then UTP Cable installing . new pump is…
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