WAGO I/O SYSTEM 750 XTR Device Description 31750-8202/040-001 PFC200 2ETH RS TELE XTRManualVersion 1.2.0, valid from FW Version 03.01.07(13)3.3 Connectors3.3.1 Data Contacts/Local BusCommunication between the controller and the I/O modules and system powersupply for the I/O modules is provided via the local bus, which consists of 6 datacontacts designed as self-cleaning gold spring contacts.Figure 3: 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.Do not exceed the maximum total current for I/O modules (5 VDC) via datacontacts!The maximum permissible total current for internal system supply of the I/Omodules may not be exceeded. The permissible total current is specified in thetechnical data of the head station and power supply. The data contacts forinternal system supply can be damaged and the permissible operatingtemperature can be exceeded by higher values.When configuring the system, do not exceed the permissible total current. If thereis a higher power requirement, you must use an additional supply to provide thesystem voltage (5 VDC)!