Main range of productModicon M221 product or component typeLogic controller [Us] rated supply voltage24 V DC discrete input number8 discrete input conforming to IEC 61131-2 Type 1 including 4 fast input analogue input number2 at input range: 0...10 V discrete output typeTransistor discrete output number8 transistor including 2 fast output discrete output voltage24 V DC discrete output current0.5 A Complementary discrete I/O number16 number of I/O expansion module<= 7 for relay output supply voltage limits20.4...28.8 V inrush current<= 35 A power consumption in W<= 22.9 W at 24 V with max number of I/O expansion module<= 4 W at 24 V without I/O expansion module power supply output current0.52 A at 5 V for expansion bus0.49 A at 24 V for expansion bus discrete input logicSink or source (positive/negative) discrete input voltage24 V discrete input voltage typeDC analogue input resolution10 bits LSB value10 mV conversion time1 ms per channel + 1 controller cycle time for analog input permitted overload on inputs+/- 30 V DC for analog input with 5 min maximum+/- 13 V DC for analog input permanent voltage state 1 guaranteed>= 15 V for input voltage state 0 guaranteed<= 5 V for input discrete input current7 mA for discrete input5 mA for fast input input impedance3.4 kOhm for input4.9 kOhm for fast input100 kOhm for analog input response time35 µs turn-off operation for input; I2...I5 terminal5 µs turn-on operation for fast input; I0, I1, I6, I7 terminal35 µs turn-on operation for input; other terminals terminal5 µs turn-off operation for fast input; I0, I1, I6, I7 terminal100 µs turn-off operation for input; other terminals terminal5 µs turn-on, turn-off operation for output; Q0...Q1 terminal50 µs turn-on, turn-off operation for output; Q2...Q3 terminal300 µs turn-on, turn-off operation for output; other terminals terminal configurable filtering time0 ms for input12 ms for input3 ms for input discrete output logicPositive logic (source) current per output common4 A output frequency100 kHz for fast output (PWM/PLS mode) at Q0...Q1 termnal5 kHz for output at Q2...Q3 termnal0.1 kHz for output at Q4...Q6 termnal absolute accuracy error+/- 1 % of full scale for analog input leakage current0.1 mA for transistor output voltage drop<= 1 V mechanical durability>= 20000000 cycles for transistor output tungsten load<= 12 W for output and fast output protection typeShort-circuit and overload protection with automatic resetShort-circuit protection on outputOverload and short-circuit protection at 1 A reset time1 s automatic reset memory capacity256 kB for user application and data RAM with 10000 instructions256 kB for internal variables RAM data backed up256 kB built-in flash memory for backup of application and data data storage equipment2 GB SD card optional battery typeBR2032 lithium non-rechargeable, battery life: 4 yr backup time1 year at 25 °C by interruption of power supply execution time for 1 KInstruction0.3 ms for event and periodic task0.7 ms for other instruction execution time per instruction0.2 µs Boolean exct time for event task60 µs response time application structure1 configurable freewheeling/cyclic master task1 cyclic auxiliary task8 interrupt tasks maximum size of object areas512 %M memory bits8000 %MW memory words512 %KW constant words255 %TM timers255 %C counters realtime clockWith clock drift<= 30 s/month at 25 °C regulation loopAdjustable PID regulator up to 14 simultaneous loops positioning functionsPosition PTO 2 axe(s) pulse/direction mode (100 kHz)Position PTO 1 axe(s) CW/CCW mode (100 kHz) function availablePWMPLSFrequency generator counting input number4 fast input (HSC mode) (counting frequency: 100 kHz), counting capacity: 32 bits counter functionA/BPulse/directionSingle phase integrated connection typeUSB port with connector mini B USB 2.0Ethernet with connector RJ45Non isolated serial link "serial 1" with connector RJ45 and interface RS232/RS485 supplySerial 1 serial link supply at 5 V 200 mA transmission rate1.2...115.2 kbit/s (115.2 kbit/s by default) for bus length of 15 m - communication protocol: RS4851.2...115.2 kbit/s (115.2 kbit/s by default) for bus length of 3 m - communication protocol: RS232480 Mbit/s - communication protocol: USB communication port protocolUSB port : USB protocol - SoMachine-NetworkNon isolated serial link : Modbus protocol master/slave - RTU/ASCII or SoMachine-Network: Ethernet protocol port Ethernet10BASE-T/100BASE-TX 1 port with 100 m copper cable communication serviceDHCP clientEthernet/IP adapterModbus TCP serverModbus TCP clientModbus TCP slave device local signalling1 LED green for SD card access (SD)1 LED red for BAT1 LED per channel green for I/O state1 LED green for SLEthernet network activity green for ACTEthernet network link yellow for Link (Link Status)1 LED red for module error (ERR)1 LED green for PWR1 LED green for RUN electrical connectionMini B USB 2.0 connector for a programming terminalRemovable screw terminal block, 10 terminal(s) for inputsRemovable screw terminal block, 11 terminal(s) for outputsTerminal block, 3 terminal(s) for connecting the 24 V DC power supplyConnector, 4 terminal(s) for analogue inputs cable distance between devicesShielded cable: 10 m for fast inputUnshielded cable: 30 m for outputUnshielded cable: 30 m for digital inputUnshielded cable: 1 m for analog inputShielded cable: 3 m for fast output insulation500 V AC between fast input and internal logicNon-insulated between inputsNon-insulated between analogue inputs500 V AC between output and internal logic500 V AC between input and internal logicNon-insulated between analogue input and internal logic markingCE mounting supportTop hat type TH35-15 rail conforming to IEC 60715Top hat type TH35-7.5 rail conforming to IEC 60715Plate or panel with fixing kit height90 mm depth70 mm width70 mm product weight0.264 kg Environment standardsEN/IEC 60664-1EN/IEC 61131-2EN/IEC 61010-2-201 product certificationsABSCSAcULusLRIACS E10RCMEACDNV-GL environmental characteristicOrdinary and hazardous location resistance to electrostatic discharge4 kV on contact conforming to EN/IEC 61000-4-28 kV in air conforming to EN/IEC 61000-4-2 resistance to electromagnetic fields10 V/m ( 80 MHz...1 GHz) conforming to EN/IEC 61000-4-33 V/m ( 1.4 GHz...2 GHz) conforming to EN/IEC 61000-4-31 V/m ( 2...2.7 GHz) conforming to EN/IEC 61000-4-3 resistance to magnetic fields30 A/m 50/60 Hz conforming to EN/IEC 61000-4-8 resistance to fast transients2 kV for power lines conforming to EN/IEC 61000-4-42 kV for relay output conforming to EN/IEC 61000-4-41 kV for Ethernet line conforming to EN/IEC 61000-4-41 kV for serial link conforming to EN/IEC 61000-4-41 kV for I/O conforming to EN/IEC 61000-4-4 surge withstand2 kV for power lines (AC) in common mode conforming to EN/IEC 61000-4-52 kV for relay output in common mode conforming to EN/IEC 61000-4-51 kV for I/O in common mode conforming to EN/IEC 61000-4-51 kV for shielded cable in common mode conforming to EN/IEC 61000-4-50.5 kV for power lines (DC) in differential mode conforming to EN/IEC 61000-4-51 kV for power lines (AC) in differential mode conforming to EN/IEC 61000-4-51 kV for relay output in differential mode conforming to EN/IEC 61000-4-50.5 kV for power lines (DC) in common mode conforming to EN/IEC 61000-4-5 resistance to conducted disturbances10 Vrms (0.15...80 MHz) conforming to EN/IEC 61000-4-63 Vrms (0.1...80 MHz) conforming to Marine specification (LR, ABS, DNV, GL)10 Vrms (spot frequency (2, 3, 4, 6.2, 8.2, 12.6, 16.5, 18.8, 22, 25 MHz)) conforming to Marine specification (LR, ABS, DNV, GL) electromagnetic emissionConducted emissions conforming to EN/IEC 55011 power lines (AC), 0.15...0.5 MHz : 79 dBμV/m QP/66 dBμV/m AVConducted emissions conforming to EN/IEC 55011 power lines (AC), 0.5...300 MHz : 73 dBμV/m QP/60 dBμV/m AVConducted emissions conforming to EN/IEC 55011 power lines, 10...150 kHz : 120...69 dBµV/m QPConducted emissions conforming to EN/IEC 55011 power lines, 1.5...30 MHz : 63 dBμV/m QPRadiated emissions conforming to EN/IEC 55011 class A 10 m, 30...230 MHz : 40 dBμV/m QPConducted emissions conforming to EN/IEC 55011 power lines, 150...1500 kHz : 79...63 dBμV/m QPRadiated emissions conforming to EN/IEC 55011 class A 10 m, 200...1000 MHz : 47 dBμV/m QP immunity to microbreaks10 ms ambient air temperature for operation-10...55 °C for horizontal installation-10...35 °C for vertical installation ambient air temperature for storage-25...70 °C relative humidity10...95 % without condensation in operation10...95 % without condensation in storage IP degree of protectionIP20 with protective cover in place pollution degree<= 2 operating altitude0...2000 m storage altitude0...3000 m vibration resistance3.5 mm (vibration frequency: 5...8.4 Hz) on symmetrical rail1 gn (vibration frequency: 8.4...150 Hz) on symmetrical rail3.5 mm (vibration frequency: 5...8.4 Hz) on panel mounting1 gn (vibration frequency: 8.4...150 Hz) on panel mounting shock resistance147 m/s² (test wave duration:11 ms) Offer Sustainability Sustainable offer statusGreen Premium product RoHS (date code: YYWW) REACh Product environmental profile Product end of life instructions
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Mounting and ClearanceMounting on a RailDirect Mounting on a Panel Surface(1)Install a mounting stripMountingCorrect Mounting PositionAcceptable Mounting PositionIncorrect Mounting PositionClearance
Connections and SchemaDigital Inputs(1)The COM0 terminals are connected internally.A :Sink wiring (positive logic).B :Source wiring (negative logic).IxI0, I1, I6, I7Digital Outputs(∗)Type T fuse(1)The V+ terminals are connected internally.QxQ0, Q1Analog Inputs
The (-) poles are connected internally.
AN0 / AN1
Pin N °
−USB Mini-B ConnectionSL1 Connection
N.C.: not connected
* : 5 Vdc delivered by the controller. Do not connect.
Performance CurvesDerating CurvesEmbedded Digital InputsX :Ambient temperatureY :Input simultaneous ON ratioEmbedded Digital OutputsX :Ambient temperatureY :Output simultaneous ON ratio