MultiPlus-II 2x120V Page 29 Appendix N I/O Terminal, from top to bottom: 1. 12V 100mA 2. Programmable contact K1 - open collector 70V 100mA 3. External ground relay + 4. External ground relay – 5. Aux input 1 + 6. Aux input 1 – 7. Aux input 2 + 8. Aux input 2 – 9. Temperature sense + 10. Temperature sense – 11. Battery voltage sense + 12. Battery voltage sense -