Logix5000 Controllers General Instructions - SLAC Confluence

Input/Output Instructions (MSG, GSV, SSV, IOT) 203Example 2:This controller controls station 24 and produces data for the nextstation (station 25). To use an IOT instruction to signal thetransmission of new data, the produced tag is configured as follows:Produced_Tag is configured to update its event trigger viaan IOT instruction.Relay LadderIf New_Data = on, then the following occurs for one scan:The CPS instruction sets Produced_Tag = Source_Tag.The IOT instruction updates Produced_Tag and sends this update to the consuming controller (station 25). When theconsuming controller receives this update, it triggers the associated event task in that controller.Structured TextIF New_Data AND NOT Trigger_Consumer THENCPS (Source_Tag,Produced_Tag,1);IOT (Produced_Tag);END_IF;Trigger_Consumer := New_Data;Publication 1756-RM003I-EN-P - January 2007