124 Connecting to the bus systemVEGAPULS 61 • Profibus PA47106-EN-16110450 0516273849 05162738491 0 16 7 8Bus23451 2+( ) (-)1Fig. 8: Electronics and terminal compartment - single chamber housing1 Voltage supply, signal output2 For display and adjustment module or interface adapter3 Selection switch for bus address4 For external display and adjustment unit5 Ground terminal for connection of the cable screen4.3 Wiring plan, double chamber housingThe following illustrations apply to the non-Ex as well as to the Ex-iaversion.Bus51 2+( ) (-) 6 7 82341Fig. 9: Terminal compartment - double chamber housing1 Voltage supply, signal output2 For display and adjustment module or interface adapter3 For external display and adjustment unit4 Ground terminal for connection of the cable screenInformation:Parallel use of an external display and adjustment unit and a displayand adjustment module in the terminal compartment is not supported.Electronics and terminalcompartmentTerminal compartment