AN_X_AB_DHRIO
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The EtherNet/IP to Allen-Bradley Data Highway Plus or Remote I/O Gateway provides solutions for some commonly encountered issues where Allen-Bradley PLC5s and SLC processors are connected to a Data Highway Plus or Remote I/O scanner. When used as a Data Highway Plus bridge this gateway enables HMIs, RSLogix 5, and RSLogix 500 software to connect and communicate to the processors. In addition to enabling remote programming or monitoring of these PLCs or SLCs this bridge can enable an Allen-Bradley CompactLogix controller to communicate to the PLC5s and SLCs on the Data Highway Plus network. When this gateway is configured as a Remote I/O scanner it enables a Programmable Automation Controller (PAC) to control a legacy Remote I/O system facilitating processor upgrades. This gateway allows a phased approach to be used when upgrading or replacing legacy PLC5 or SLC controllers. The gateway provides automatic detection of the Remote I/O baud rate and creation of the Remote I/O racks. Once Block Transfers are configured the Auto-Configuration feature creates RSLogix 5000 tags reducing engineering effort. Once the new PAC is commissioned the legacy I/O can be upgraded one module or one rack at a time as scheduled downtime is available. This gateway minimizes the risk of excessive downtime when upgrading legacy remote I/O systems.
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