Is My FieldPoint Controller Poll-Driven or Event-Driven? Hardware: FieldPoint>>Controllers/Network Modules>>FP-1300, FieldPoint>>Controllers/Network Modules>>FP-2015, FieldPoint>>Controllers/Network Modules>>FP-1600, FieldPoint>>Controllers/Network Modules>>FP-1000, FieldPoint>>Controllers/Network Modules>>FP-1001, FieldPoint>>Controllers/Network Modules>>FP-2000, FieldPoint>>Controllers/Network Modules>>FP-1601, FieldPoint>>Controllers/Network Modules>>FP-1100, FieldPoint>>Controllers/Network Modules>>FP-2010
Problem: Is my FieldPoint controller poll-driven or event-driven and what does this mean? Solution: With polled I/O, the PC client must continually request data from the I/O device, regardless of whether the data has changed. In event-driven I/O, data is sent to the PC only when it changes. Polled I/O uses significant amounts of network bandwidth and processor time compared to event-driven I/O. For a more detailed description, see the link below. Poll-Driven Controllers - FP-1000 - FP-1001 - (c)FP-20xx - (c)FP-21XX - FP-1300 - can operate as both Event Driven Controllers - FP-1600 - FP-1601 - FP-20xx - working as an FP-1600 - FP-1300 - can operate as both Related Links: KnowledgeBase [3HJJEDCC]: FieldPoint Read Does Not Consistently Update Timestamp Output KnowledgeBase [2EAAUHJ6]: How Much Bandwidth Does the Logos Real-Time Protocol Use? KnowledgeBase [2DKC1OL5]: FieldPoint's Publish Data VI in LabVIEW is Slow to Update Its Values Product Manuals: FP-1000/1001 User Manual Product Manuals: FP-1300 User Manual Product Manuals: FP-2000/2010/2015 User Manual Product Manuals: FP-1600 User Manual Attachments:
Report Date: 05/11/2004 Last Updated: 04/02/2007 Document ID: 39AAB2F4 |
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