| Technical    data | CX8290 | 
                
                  | Processor | ARM    Cortex™-A53, 1.2 GHz | 
                
                  | Number of cores | 2 | 
                
                  | Flash    memory | slot for    microSD card, card not included (requires a microSD card with a minimum    capacity of 16 GB) | 
                
                  | Main memory | 1 GB LPDDR4 RAM (not expandable) | 
                
                  | Persistent    memory | 1-second UPS    (for 1 MB persistent data) | 
                
                  | Interfaces | 1 x RJ45 10/100/1000 Mbit/s, 1 x USB 3.0, 1 x bus    interface | 
                
                  | Bus    interface | 2 x RJ45 100    Mbit/s (switched), optionally PROFINET (TF627x), EtherNet/IP (TF628x),    BACnet/IP (TF8020) | 
                
                  | Diagnostics LED | 1 x TC status, 1 x WD, 1 x error | 
                
                  | Clock | internal,    capacitor-buffered real-time clock for time and date (storage capacity >    21 days) | 
                
                  | Operating system | Linux® | 
                
                  | Control    software | TwinCAT 3    runtime (XAR) | 
                
                  | I/O connection | E-bus or K-bus, automatic recognition | 
                
                  | Power    supply | 24 V DC (-15    %/+20 %) | 
                
                  | Current supply E-bus/K-bus | 2 A | 
                
                  | Max.    power consumption | 5 W | 
                
                  | Max. power consumption (with loading UPS) | 10 W | 
                
                  | Dimensions    (W x H x D) | 71 mm x 100    mm x 73 mm | 
                
                  | Weight | approx. 265 g | 
                
                  | Operating/storage    temperature | -25…+60    °C/-40…+85 °C | 
                
                  | Relative humidity | 95 %, no condensation | 
                
                  | Vibration/shock    resistance | conforms to    EN 60068-2-6/EN 60068-2-27 | 
                
                  | EMC immunity/emission | conforms to EN 61000-6-2/EN 61000-6-4 | 
                
                  | Protection    rating | IP20 | 
                
                  | Approvals/markings | CE | 
                
                  | TwinCAT    3 platform level | Economy (20); please    see here for an overview of all the TwinCAT 3 platform level |