Aug 10, 2019

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Product data sheet

Characteristics

TM3AI8

module TM3 - 8 analog inputs

Product availability: Stock - Normally stocked in distribution facility

Main

Range of product

Modicon TM3

Product or component

type

Analog input module

Range compatibility

Modicon M221

Modicon M251

Modicon M241

Analogue input number

8

Analogue input type

Current, analogue input range: 4...20 mA

Current, analogue input range: 0...20 mA

Voltage, analogue input range: 0...10 V

Voltage, analogue input range: - 10...10 V

Complementary

Analogue input resolution

11 bits + sign

12 bits

Permissible continuous overload

13 V voltage

40 mA current

Input impedance

<= 50 Ohm current

>= 1 MOhm voltage

LSB value

2.44 mV, analogue input: 0...10 V voltage

4.88 mV, analogue input: - 10...10 V voltage

4.88 µA, analogue input: 0...20 mA current

3.91 µA, analogue input: 4...20 mA current

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 77 °F (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 (full load) via bus connector

35 mA at 5 V DC (no load) via bus connector

30 mA at 24 V DC (no load) via external supply

40 mA at 24 V DC (full load) via external supply

Local signalling

1 LED green PWR

Electrical connection

10 x 1.5 mm² removable screw terminal block with pitch 3.81 mm adjustment for

inputs and supply

10 x 1.5 mm² removable screw terminal block with pitch 3.81 mm adjustment for

inputs

Insulation

500 V AC between input and internal logic

1500 V AC between input and supply

Marking

CE

Surge withstand

1 kV for power supply with common mode protection conforming to EN/IEC

61000-4-5

0.5 kV for power supply with differential mode protection conforming to EN/IEC

61000-4-5

1 kV for input with common mode protection conforming to EN/IEC 61000-4-5