Specifications Model: PM866AK01 Processor Type: MPC866 Clock Frequency: 133MHz Memory: 64MB, 51.389MB of memory is available for applications Supply voltage: 24VDC Operating temperature: + 5 to + 55 ° C (+ 41 to + 131 ° F) Storage temperature: -40 to + 70 ° C (-40 to + 158 ° F)Size: 119mm (W) × 186mm (H) × 135mm (D) Weight: 1.1kg Communication interface: two Ethernet ports (CN1, CN2), two serial ports (COM3, COM4) Protection level: IP20 Certification standard: compliant with EN50178, IEC61131-2, Electrical safety standards such as UL61010-1 and UL61010-2-201