Modicon TM3

Analog input module

Modicon M251
Modicon M241
Modicon M221

8

Thermocouple, analogue input range: - 200...1000 °C with thermocouple J
Thermocouple, analogue input range: - 200...1300 °C with thermocouple K
Thermocouple, analogue input range: 0...1760 °C with thermocouple R
Thermocouple, analogue input range: 0...1760 °C with thermocouple S
Thermocouple, analogue input range: 0...1820 °C with thermocouple B
Thermocouple, analogue input range: - 200...400 °C with thermocouple T
Thermocouple, analogue input range: - 200...1300 °C with thermocouple N
Thermocouple, analogue input range: - 200...800 °C with thermocouple E
NTC 10k thermistor, analogue input range: -90...150 °C
PTC thermistor, analogue input range: 100...10000 Ohm

15 bits + sign
16 bits

>= 1 MOhm temperature probe
>= 1 MOhm thermistor
>= 1 MOhm thermocouple

0.1 °C with NTC probe
1 Ohm with PTC/NTC probe
0.1 °C thermocouple

100 ms + 100 ms per channel + 1 controller cycle time

100 ms

+/- 0.2 % of full scale at 25 °C for thermocouple C 0...2315 °C
+/- 6 °C at 25 °C for thermocouple R, S 0...200 °C
+/- 0.2 % of full scale at 25 °C for thermocouple R, S 200...1760 °C
+/- 0.2 % of full scale at 25 °C for thermocouple B 300...1820 °C
+/- 0.4 % of full scale at 25 °C for thermocouple K - 200...0 °C
+/- 0.2 % of full scale at 25 °C for thermocouple K 0...1300 °C
+/- 0.4 % of full scale at 25 °C for thermocouple J - 200...0 °C
+/- 0.2 % of full scale at 25 °C for thermocouple J 0...1000 °C
+/- 0.4 % of full scale at 25 °C for thermocouple E - 200...0 °C
+/- 0.2 % of full scale at 25 °C for thermocouple E 0...800 °C
+/- 0.4 % of full scale at 25 °C for thermocouple T - 200...0 °C
+/- 0.2 % of full scale at 25 °C for thermocouple T 0...400 °C
+/- 0.4 % of full scale at 25 °C for thermocouple N - 200...0 °C
+/- 0.2 % of full scale at 25 °C for thermocouple N 0...1300 °C

+/- 0.01 %FS/°C

+/-0.5 %FS

+/- 0.2 %FS

<= 1 LSB

24 V DC

20.4...28.8 V

Twisted shielded pairs cable 30 m for input circuit

30 mA at 24 V DC via external supply
45 mA at 5 V DC via bus connector
40 mA at 5 V DC via bus connector

1 LED green for PWR

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

500 V AC between input and internal logic
1500 V AC between input and supply

CE

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

Top hat type TH35-15 rail conforming to IEC 60715
Top hat type TH35-7.5 rail conforming to IEC 60715
Plate or panel with fixing kit

90 mm

70 mm

23.6 mm

0.1 kg

EN/IEC 61010-2-201
EN/IEC 61131-2

4 kV on contact conforming to EN/IEC 61000-4-2
8 kV in air conforming to EN/IEC 61000-4-2

10 V/m at 80 MHz...1 GHz conforming to EN/IEC 61000-4-3
3 V/m at 1.4 GHz...2 GHz conforming to EN/IEC 61000-4-3
1 V/m at 2 GHz...3 GHz conforming to EN/IEC 61000-4-3

30 A/m conforming to EN/IEC 61000-4-8

1 kV I/O conforming to EN/IEC 61000-4-4

10 V at 0.15...80 MHz conforming to EN/IEC 61000-4-6
3 V at 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)

Radiated emissions, test level: 40 dBμV/m QP class A (10 m at 30...230 MHz) conforming to EN/IEC 55011
Radiated emissions, test level: 47 dBμV/m QP class A (10 m at 230...1000 MHz) conforming to EN/IEC 55011

10 ms

-10...55 °C (horizontal installation)
-10...35 °C (vertical installation)

-25...70 °C

10...95 % without condensation in operation
10...95 % without condensation in storage

IP20

2

0...2000 m

0...3000 m

3.5 mm at 5...8.4 Hz with DIN rail mounting support
3 gn at 8.4...150 Hz with DIN rail mounting support

15 gn during 11 ms