| Range of product | Modicon M221 |
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| Product or component type | Logic controller |
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| [Us] rated supply voltage | 100...240 V AC |
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| Discrete input number | 9, discrete input conforming to IEC 61131-2 Type 1 |
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| Analogue input number | 2 at 0...10 V |
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| Discrete output type | Relay normally open |
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| Discrete output number | 7 relay |
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| Discrete output voltage | 5...125 V DC · 5...250 V AC |
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| Discrete output current | 2 A |
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| Discrete I/O number | 16 |
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| Maximum number of I/O expansion module | 4 (local I/O-Architecture) · 11 (remote I/O-Architecture) |
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| Supply voltage limits | 85…264 V |
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| Network frequency | 50/60 Hz |
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| Inrush current | 40 A |
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| Maximum power consumption in VA | 49 VA at 100...240 V with max number of I/O expansion module · 33 VA at 100...240 V without I/O expansion module |
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| Power supply output current | 0.325 A 5 V for expansion bus · 0.12 A 24 V for expansion bus |
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| Discrete input logic | Sink or source (positive/negative) |
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| Discrete input voltage | 24 V |
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| Discrete input voltage type | DC |
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| Analogue input resolution | 10 bits |
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| LSB value | 10 mV |
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| Conversion time | 1 ms per channel + 1 controller cycle time for analogue input analog input |
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| Permitted overload on inputs | +/- 30 V DC for 5 min (maximum) for analog input · +/- 13 V DC (permanent) for analog input |
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| Voltage state 1 guaranteed | >= 15 V for input |
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| Voltage state 0 guaranteed | <= 5 V for input |
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| Discrete input current | 7 mA for discrete input · 5 mA for fast input |
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| Input impedance | 3.4 kOhm for discrete input · 100 kOhm for analog input · 4.9 kOhm for fast input |
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| Response time | 35 µs turn-off, I2...I5 terminal(s) for input · 10 ms turn-on for output · 10 ms turn-off for output · 5 µs turn-on, I0, I1, I6, I7 terminal(s) for fast input · 35 µs turn-on, other terminals terminal(s) for input · 5 µs turn-off, I0, I1, I6, I7 terminal(s) for fast input · 100 µs turn-off, other terminals terminal(s) for input |
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| Configurable filtering time | 0 ms for input · 3 ms for input · 12 ms for input |
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| Output voltage limits | 125 V DC · 277 V AC |
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| Maximum current per output common | 6 A at COM 1 · 7 A at COM 0 |
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| Absolute accuracy error | +/- 1 % of full scale for analog input |
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| Electrical durability | 100000 cycles AC-12, 120 V, 240 VA, resistive · 100000 cycles AC-12, 240 V, 480 VA, resistive · 300000 cycles AC-12, 120 V, 80 VA, resistive · 300000 cycles AC-12, 240 V, 160 VA, resistive · 100000 cycles AC-15, cos phi = 0.35, 120 V, 60 VA, inductive · 100000 cycles AC-15, cos phi = 0.35, 240 V, 120 VA, inductive · 300000 cycles AC-15, cos phi = 0.35, 120 V, 18 VA, inductive · 300000 cycles AC-15, cos phi = 0.35, 240 V, 36 VA, inductive · 100000 cycles AC-14, cos phi = 0.7, 120 V, 120 VA, inductive · 100000 cycles AC-14, cos phi = 0.7, 240 V, 240 VA, inductive · 300000 cycles AC-14, cos phi = 0.7, 120 V, 36 VA, inductive · 300000 cycles AC-14, cos phi = 0.7, 240 V, 72 VA, inductive · 100000 cycles DC-12, 24 V, 48 W, resistive · 300000 cycles DC-12, 24 V, 16 W, resistive · 100000 cycles DC-13, 24 V, 24 W, inductive (L/R = 7 ms) · 300000 cycles DC-13, 24 V, 7.2 W, inductive (L/R = 7 ms) |
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| Switching frequency | 20 switching operations/minute with maximum load |
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| Mechanical durability | 20000000 cycles for relay output |
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| Minimum load | 1 mA at 5 V DC for relay output |
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| Protection type | Without protection at 5 A |
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| Reset time | 1 s |
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| Memory capacity | 256 kB for user application and data RAM with 10000 instructions · 256 kB for internal variables RAM |
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| Data backed up | 256 kB built-in flash memory for backup of application and data |
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| Data storage equipment | 2 GB SD card (optional) |
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| Battery type | BR2032 or CR2032X lithium non-rechargeable |
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| Backup time | 1 year at 25 °C (by interruption of power supply) |
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| Execution time for 1 KInstruction | 0.3 ms for event and periodic task |
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| Execution time per instruction | 0.2 µs Boolean |
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