Data read incorrectly!!!

Join Date
Jan 2004
Posts
22
I am using a Ge 90-30 PLC to read voltage,current,watt hour etc values from 5 energy meters using RS 485.Iam able to read voltage,current properly.but i am not getting watthour.it seems watthour is stored in ASCII format in the energy meter.if yes,how can I convert ASCII numbers to numeric values using a ladder logic?I am new to PLCs.
 

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