WAGO-I/O-SYSTEM 750 XTR Device Description 19750-537/040-000 8DO 24 VDC 0.5A Diagn XTRManualVersion 1.1.13.2 Connectors3.2.1 Data Contacts/Local BusCommunication between the fieldbus coupler/controller and the I/O modules aswell as the system supply of the I/O modules is carried out via the local bus. Thecontacting for the local bus consists of 6 data contacts, which are available asself-cleaning gold spring contacts.Figure 2: Data ContactsDo not place the I/O modules on the gold spring contacts!Do not place the I/O modules on the gold spring contacts in order to avoid soilingor scratching!Pay attention to potential equalization from the environment!The devices are equipped with electronic components that may be destroyed byelectrostatic discharge. When handling the devices, please ensure thatenvironmental factors (personnel, work space and packaging) are properlyequalized. Do not touch any conducting parts, e.g., data contacts.