Chapter 2 Installation and Wiring | Figure 3 Wiring for NPN mode and PNP mode A. NPN mode without external power NPN PNP Factory setting B. NPN mode with external power NPN 24 Vdc - + PNP Factory setting C. PNP mode without external power NPN PNP Sw1 Factory setting D. PNP mode with external power NPN PNP Sw1 Factory setting 2-4 Revision 2016/03, 6ELE, V1.14 + 24 Vdc -