New Mitsubishi Q2ASHCPU Module Sub-range name MELSEC-A QnAS series Functions Programmable Logic Controller (PLC) CPU unit I/O control mode -- Refresh mode Floating-point calculation Fixed-point BCD calculation Text string processing Trigonometric functions Square root operation Exponential operation Natural logarithm operation Constant scan Latch (Power failure compensation) Remote RUN - STOP PAUSE Status latch Sampling trace Step operation Clock Interrupt processing Comment Watch dog timer (variable) Self-diagnostic function Programming languagesLadder diagram (LD) / Relay symbol language Sequential Function Chart (SFC) List Memory capacity28Ksteps (Program) 112KBytes (RAM) 1024 points (Counters) 12288 points (Data registers) 8192 points (Internal relays) 8192 points (Latch relays) 2048 points (Annunciator) 2048 points (Edge relays) 2048 points (Link relays) 2048 points (Link register) 1018Kwords (File register) 48 points (Interrupt pointer) 16 points (Index register Z) 4096 points (Pointer) 48 points (Interrupt pointer) 15 points (Master control nesting) Connection capacity8192 x device I/O points 512 x I/O points Mounting modeBackplane / rack Ambient air temperature for operation+32F...+131F / 0C...+55 C Ambient air temperature for storage-4F...+167F / -20C...+75 C Order code / Manufacturer SKUQ2ASHCPU One Year Warranty