1. Hartalega
went for software servicing, modify the PLC program of water treatment system.
change the sequence of pump motor opening.
2. KLK - hydrogenation plant
went for cable linking correction. unsuccessful due to wrong drawing given n uncomfirmation of main con.
3. Automatic refinary plant
download new PLC program of new transmitter installation. perform wiring n installment as well.
4. Sime darby refinary plant
loop check, so far havent done due to unwanted bus bar connection.
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