Product data sheet

Specifications

Analog input module, Modicon TM3,

8 inputs (screw) 24 VDC

TM3AI8

Main

Range of product

Modicon TM3

Product or component type

Analog input module

Range compatibility

Modicon M221

Modicon M241

Modicon M251

Modicon M262

Analogue input number

8

Analogue input type

current 4...20 mA

current 0...20 mA

voltage 0...10 V

voltage - 10...10 V

Complementary

Analogue input resolution

12 bits

11 bits + sign

Permissible continuous

overload

13 V, analogue input type: voltage

40 mA, analogue input type: current

Input impedance

<= 50 Ohm current

>= 1 MOhm voltage

LSB value

2.44 mV 0...10 Vvoltage

4.88 mV - 10...10 Vvoltage

4.88 µA 0...20 mAcurrent

3.91 µA 4...20 mAcurrent

Conversion time

1 ms + 1 ms per channel + 1 controller cycle time

Sampling duration

1 ms

Absolute accuracy error

+/- 1 % of full scale

+/- 0.2 % of full scale at 25 °C

Temperature drift

+/- 0.01 %FS/°C

Repeat accuracy

+/-0.5 %FS

Non-linearity

+/- 0.2 %FS

Cross talk

<= 1 LSB

[Us] rated supply voltage

24 V DC

Supply voltage limits

20.4…28.8 V

Type of cable

Twisted shielded pairs cable <30 m for input circuit

Current consumption

40 mA at 5 V DC via bus connector full load

35 mA at 5 V DC via bus connector no load

30 mA at 24 V DC via external supply no load

40 mA at 24 V DC via external supply full load

 

Apr 4, 2022

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