505-6660B | Siemens Power Supply

The total power consumption of all I/O modules (including the CPU or RBC) drawing power from a Series 505 power supply must not exceed 55.0 W from the +5 VDC output and 3.75 W from the –5 VDC output. Refer to Appendix B for power consumption listings for the CPU and all currently available Series 505 I/O modules and RBCs. After installing the power supply, you are ready to connect your power supply to an external power source. Observe these guidelines as you carry out the procedure below.• Use 14 to 22 AWG solid or stranded wire. If you use stranded wire, the wire should be twisted and trimmed.• Strip insulation back 0.4 inches (10 mm).• Insert the wires fully into the terminal block so that the insulation butts against the block.