SPS CPU308

PLC CPU308Technical SpecificationPerformance IndexesCPU308K308-14ATK308-40ARK308-40AXCPU16-bit industrialExecution SpeedTypical Bool instruction time: <0.5μSWord operation time: <48μSArithmetic operation time for integers: <65μSArithmetic operation time for floating points: <150μSDI Points24XDC24VDO Points16XDC24V16Xrelay8XDC24V+12XrelayUser Program MemoryFRAM, 32KB/about 4,000 stepsProgram BackupPermanent storage, without the need of batteryMemory AreaVariable storage area (V area): 4KBSystem storage area (SM area): 300 bytesInternal storage area (M area): 32 bytesData Retention CharacteristicConfigure with the programming software: V area, C (counter) areaRetention Mode and PeriodAdopt super capacitors and support a retention period of not less than 144 hours upon power failure under normal temperature.Data Backup CharacteristicPerform backup operations VB3648 VB3902 according to user instructions, 255 bytes in totalBackup Mode and TimeFRAM, 255 bytes in total (writing operation for 10 billion times), permanent backupFloating PointsSupported; the whole V area can be used for floating pointsProgramming Language SupportedLadder Drawing (LD), Instruction List (IL)Instruction SetBasic instructions: 114; expansion instructions: 420Password ProtectionYesMax. I/ODigital data: 280 in total (256 DI and 256 DO respectively);Analog data: 60 in total (32 AI and 32 AO respectively)Counter256Operation Mode of CounterAddition, subtractionCounter Range-32768 32767Counting Value Retention FunctionYesTimer2561 ms time base: 410 ms time base: 16100 ms time base: 236High-speed Counter6 high-speed counterswhere, single-phase counters: 6, with a maximum frequency of 30 KHzwhere, dual-phase counters: 4, with a maximum frequency of 20 KHzPulse Output2, PTO (Pulse Train Output)/PWM (Pulse Width Modulation output);Maximum output frequency: 20 KHzAnalog Potentiometer2, 10-bit resolution, values corresponding to internal registersInterruption FunctionTiming interruption: 2, 1ms resolution;Timer interruption: T2/T3, 1ms resolution;Edge interruption: 4, rising edge or falling edge optional;High-speed interruption, communication interruptionReal-time ClockYes, with an error not greater than 2 minutes/month under a temperature of 25°CThe user can use the software to set/read: year, month, day, hour, minute, second, week. Standby batteries are used to supply power for the real-time clock upon power failure. Under normal temperature, the retention period of the real-time clock upon power failure is not less than 180 days.Number of Connectable Expansion Modules15; regardless of typesCOM Port2, RS232 or RS485;Supported working modes: Programming, Modbus-RTU (master/slave), Free protocolEquipment Connected with COM PortRS232/RS485: PC (for programming), third-party HMI panel, third-party serial communication equipment (for example, instruments, bar code reader, etc.)Input Power SupplyAC85 265VSensor Load Power SupplyDC24V, max. 500 mADimensions (L*W*H)200X114X70mm