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148 Power Supply Module Cat. No. 1794-PS13 <strong>FLEX</strong> I/O <strong>and</strong> <strong>FLEX</strong> <strong>Integra</strong> Product DataPower Supply Module Cat. No. 1794-PS13Example of Using a 1794-PS13 Power Supply toPower Four Adapter ModulesPowerSupplyAdapterPower24V DCPOWER SUPPLY1794-PS1324V dcAll dc powered I/O modules24V dc from separate sourceAHAdapterBCOMI24V dcacAll ac powered I/O modulesCJWiring24VF E D G4015224V dcAdapteracAll ac powered I/O modulesATTENTION!The 1794-PS13 power supply provides sufficient24V dc power to operate up to 4 adaptermodules. Do not attempt to operate an entire<strong>FLEX</strong> I/O system with this power supply.Terminals A, B, <strong>and</strong> C are 120/230V supply terminals. Terminals D, E,<strong>and</strong> F are available to daisychain this 120/230V power to other1794-PS13 power supplies. If supplying 120V ac to the power supply,you can also power the ac modules in the adjacent system.24V dcAdapter120V ac24V dc from separate sourceCombination ac <strong>and</strong> dc powered I/O modules401531. Connect the 120/230V ac power to the left side terminals onthe connectors on the left side of the module as follows:ConnectToac Ground GND A120/230V ac common L2/N B120/230V ac power L1 C2. Connect terminal G (+24V dc) to the +24V dc terminal on thefirst adapter.3. Connect terminal H (+24V dc common) to the +24V dccommon terminal on the first adapter.4. Repeat steps 3 <strong>and</strong> 4 using terminals I <strong>and</strong> J for the secondadapter.5. Connections D, E <strong>and</strong> F are used to pass 120/230V ac powerto adjacent 1794-PS13 power supplies.Publication 1794-2.1 - January 2000