22 • The WAGO-I/O-SYSTEM 750Mechanical SetupWAGO-I/O-SYSTEM 750ETHERNET TCP/IP2.6.7 Internal Bus/Data ContactsCommunication between the coupler/controller and the bus modules as well asthe system supply of the bus modules is carried out via the internal bus. It iscomprised of 6 data contacts, which are available as self-cleaning gold springcontacts.Fig. 2-7: Data contacts p0xxx07xWarningDo not touch the gold spring contacts on the I/O modules in order to avoidsoiling or scratching!ESD (Electrostatic Discharge)The modules are equipped with electronic components that may be destroyedby electrostatic discharge. When handling the modules, ensure that theenvironment (persons, workplace and packing) is well grounded. Avoidtouching conductive components, e.g. gold contacts.
