Range of product

Modicon M238 logic controller 

Product or component type

Analog input module 

Analogue input number

8 

Analogue input type

Temperature probe - 200...600 °C Pt 100 , non differential
Temperature probe - 50...200 °C Pt 1000 , non differential

Range compatibility

Advantys OTB 
Twido 

Analogue input resolution

12 bits 

LSB value

0.006 °C (Pt 1000) 
0.2 °C (Pt 100) 

Input impedance

≥ 10 kOhm 

Sampling duration

≤ 160 ms 

Acquisition period

320 ms per group of channel + 1 controller cycle time 

Measurement error

+/- 0.3 % of full scale , Pt 1000 25 °C 
+/- 0.5 % of full scale , Pt 100 25 °C 

Temperature coefficient

+/-0.01 %FS/°C 

Repeat accuracy

+/- 0.1 °C 

Total error

1 °C , Pt 1000 
4 °C , Pt 100 

Insulation between channel and internal logic

Photocoupler 

Supply

External supply 

[Us] rated supply voltage

24 V DC 

Supply voltage limits

19,2...30 V 

Electrical connection

1 removable screw terminal block power supply 
1 removable screw terminal block sensors 

Current consumption

90 mA 5 V DC (internal) 
≤ 140 mA 24 V DC (external) 

Product weight

0,19 kg 

Dielectric strength

500 V between the I/O and the external supply circuit 
2500 V between the I/O and internal logic 

RoHS EUR conformity date

0903 

RoHS EUR status

Compliant