text: <s>[INST] powerflex 4 Summary: control powerIs there a parameter for the 24v control power to be internal or will an external power souce be required [/INST] It depends by how you will wire your drive. Terminal 11 could be used to supply internal 24Vdc power to Digital Inputs; drive will output 100 mA maximum through that terminal. Please take a look to User Manual chapter 1, you will find informations and wiring examples for either internal or external power source. \\n </s>