3. After mounting the whole system, to protect the backplane bus connectors at thelast module you have to mount the bus cover, now. If the last module is a clampmodule, for adaptation the upper part of the bus cover is to be removed.2.5 WiringCAUTION!Consider temperature for external cables!Cables may experience temperature increase due to system heat dissi-pation. Thus the cabling specification must be chosen 5°C above ambienttemperature!CAUTION!Separate insulation areas!The system is specified for SELV/PELV environment. Devices, which areattached to the system must meet theses specifications. Installation andcable routing other than SELV/PELV specification must be separatedfrom the system’s equipment!2.5.1 Wiring bus couplerThe System SLIO bus coupler have a power module integrated. Terminals with springclamp technology are used for wiring. The spring clamp technology allows quick and easyconnection of your signal and supply lines. In contrast to screw terminal connections thistype of connection is vibration proof.Umax 30V DCImax 10ACross section 0.08 ... 1.5mm2 (AWG 28 ... 16)Stripping length 10mmTerminal module terminalsDataVIPA System SLIO Basics and mountingWiring > Wiring bus couplerHB300 | IM | 053-1EC01 | en | 18-49 17