| Range of product | Modicon M238 logic controller | |||||||
|---|---|---|---|---|---|---|---|---|
| Product or component type | I/O expansion module | |||||||
| analogue input number | 8 | |||||||
| Analogue input type | Current 4…20 mA non differential voltage 0…10 V non differential |
| Range compatibility | Twido Advantys OTB |
|---|---|
| Analogue input resolution | 10 bits |
| LSB value | 19.5 µA current 9.7 mV voltage |
| Permissible continuous overload | 40 mA, analogue input type: current 13 V, analogue input type: voltage |
| Input impedance | >= 10 kOhm voltage 470 Ohm current |
| Sampling duration | 160 ms |
| Acquisition period | 160 ms per channel + 1 controller cycle time |
| Measurement error | +/- 0.2 % of full scale at 25 °C |
| Temperature coefficient | +/-0.01 %FS/°C |
| Repeat accuracy | +/- 0.4 %FS |
| Non-linearity | +/- 0.002 %FS |
| Total error | +/-1 %FS |
| Type of cable | Shielded cable |
| Insulation between channel and internal logic | Photocoupler |
| supply | External supply |
| [Us] rated supply voltage | 24 V DC |
| Supply voltage limits | 20.4…28.8 V |
| Electrical connection | 1 removable screw terminal block power supply 1 removable screw terminal block sensors |
| Current consumption | 45 mA at 24 V DC external 60 mA at 5 V DC internal |








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