PLC LM3108 Programmable logic controller

CPU Module LM3108 (24CH DI, 16CH DO)• Rated Voltage: 24V DC• 24 Channels DC24V DI, 16 Channels Transistor DO• Program Memory Capacity: 120KB• Interrupt Input: 3 Points• Expandable I/O: 7 ModulesCPU FeaturesLocal I/O24 Channels DC24V DI, 16 Channels Transistor DOExpandable I/O7 modulesHigh-speed counterMonophase counter: 3 points, 100KHzBiphase counter: 2 points, 100KHzPulse output2 point 20KHzPulse catch3 pointsInterrupt input3 pointsAnalog potentiometer2, value setting range 0 255User program memorycapacity120K bytesRetain area6K bytesInput data memory512 bytesOutput data memory512 bytesMid-variables memory8K bytesGlobal memory24K bytesPasswordYesReal-time clockBuilt-inTimerNo limit (1ms as minimum unit)CounterNo limit (Maximum counting range: 16 bit)Basic instructions283Function blocksOver 70Operation speed0.65μs (Basic instruction)Power Supply SpecificationsPower supply24V DCAllowed range21V DC 27V DCCurrent consumption (MAX)1500mAOutput voltage24V DCAllowed range22.8V DC 25.2V DCCurrent output+24VDC (To expansion bus)400mA+24V DC (To the outside)400mA+5V DC (To expansion bus)1500mAShort circuit protection900mA, 24VDC outputCommunication FeaturesCommunication interface2 (RS-232 and RS-485) (Non-isolating)Communication protocolProprietary protocol/MODBUS/Free protocolInput FeaturesInput typeSink/SourceInput voltage rated value24V DCAllowed range0V DC 30V DCLogic 1 signal15 30V DCLogic 0 signal0 5V DCInput delay time<0.6ms (Rated input voltage)Isolation modePhotocoupler isolationIsolation group3 groupsMaximum Isolation Voltage1500VACOutput FeaturesOutput typeTransistorOutput voltage24V DCAllowed range20.4V DC 28.8V DCTransistor conduction voltage drop<0.5V (Output logic “1”, current 1A)Contact impedance<0.2ΩLogic “1” single point output maximumcurrent1ALogic “0” maximum leaking current1mACommon end output current total<4AIsolation modePhotocoupler isolationIsolation group2 groupsMaximum Isolation Voltage1500VACResponse time (status “0” to “1” or“1” to “0”)Common output <1msHigh-speed pulse output<10us