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We have Yokogawa Centum VP DCS. 300 tags are frequently going IOP and then recover in a split second. This is occurring frequently. Vendor told us that there is noise in V-net coupler. so we changed it. Still problem persists.
BTW We have 11 FCS and RIO modules. Problem is in Modbus tags of FCS08 and FCS 09.
BTW We have 11 FCS and RIO modules. Problem is in Modbus tags of FCS08 and FCS 09.