Series 90-70 Genius Bus Controller Manual, GFK-2017

3Add GBCs for Genius Redundancy: Dual Bus and Redundant Controllers with Two PLCsThis Genius Redundancy option consists of two PLCs, each with two Bus Controllers,controlling dual busses. Two open rack slots must be available in this PLC for the BusControllers. The paired Bus Controller may be in any rack.Select Dual Bus and Redundant Controller for a system that combines redundant BusControllers with a dual bus. It requires two PLCs and four Bus Controllers:CPUCPUBusControllerA(Device 31)BusControllerB(Device 31)BusControllerA(Device 30)BusControllerB(Device 30)BUS ABUS B1 2 3 4A 4BBSMBSM1. In Redundancy wizard, select Add GBCs for Genius Redundancy and click theNext button.2. Select Dual Bus and Redundant Controllers, Two PLCs:3. Click Next.4. Select the rack and slot locations for the two Bus Controllers. On aPACSystems RX7i, if you cannot select the expansion rack you want, youneed to add it to the rack system.GFK-2017 Chapter 3 Bus Controller Configuration 3-21