when we install new VFD controller , the HMI Graph do not change from scada that time . so we reinstall old VFD controller again. now this DTW in normal Operation.



when we install new VFD controller , the HMI Graph do not change from scada that time . so we reinstall old VFD controller again. now this DTW in normal Operation.
Modbus Serial communication cable check Complete. No problem Found in the Field LIT Do Not Down in The Boring After 10 Meter
DTW-211 CCTV power is taken from main ups. Do not get sufficient backup from ups and frequently fault occurs.
DTW-122 PIT Fuse and Serial communication cable check and maintenance complete.Problem: PIT value not showing in the SCADA.Problem found: 1. PIT 24v DC…
Observation: Radio communication checking complete DTW 221.1. In DTW 221, We checked up to 10 minutes. RSSI Value (Dc volts) MAX: 2.700V, MIN:…
Findings: Lots of hanging TJ box is visiable. Action Taken: Reduce TJ box replacing optical fiber.