21Building Technologies 048_DMS_DF8000_ICC_MP4.15_A6V10081388_c_en.docFire Safety & Security Products 06.2008The output signals are relay contacts (NO or NC) with a shared common ground.They can drive a current of up to 1 A at 30 VDC, and they can also be used to op-erate an external relay when higher power loads are required.Fig. 15 DF8020 Front panel and external connections 1-16Module Address Switch 1 Switch 2 Switch 3 Notes0 Off ↓ Off ↓ Off ↓ 1 st module1 On ↑ Off ↓ Off ↓ 2 nd module2 Off ↓ On ↑ Off ↓ 3 rd module3 On ↑ On ↑ Off ↓ 4 th module4 Off ↓ Off ↓ On ↑ 5 th module5 On ↑ Off ↓ On ↑ 6 th moduleTab.10. DF8020 Module Address settingsMax Output load (resistive load) 1A / 30 VDCRelay lifetime 10 5 cyclesTab.11. DF8020 max. ratingsOutput contacts 1, 2, 3, 5, 6, and 7 are set as NO by default (outputs 1 and 4 areprovided with terminals for both NO and NC). Internal soldering jumpers can beused to set NC contacts.Fig. 16 DF8020 soldering jumper for NO / NC contacts 1-3 and 5-75.2 DF8020 module mechanical dimensionsWidth 45 mmHeight 75 mmDepth 48 mmTab.12. DF8020 mechanical dimensions910111213141516876543211DF8020Output12345678I²C connector toI/O modulesLEDs reporting statusof outputsDip-switches foraddress selection (1...6)I²C connector to I/Omodules or CPU module1 2 35 6 71 2 35 6 71 2 3NormallyclosedNormally open(default)