Range of product

Modicon M238 logic controller 

Product or component type

Discrete I/O module 

Discrete input number

4 

Discrete input voltage

24 V 

Discrete input voltage type

DC 

Discrete output number

4 

Discrete output type

Rela

Range compatibility

Advantys OTB 
Twido 

Input voltage limits

20.4...28.8 V 

Discrete input logic

Sink or source 

Discrete input current

7 mA 

Input impedance

3,4 kOhm 

Discrete output function

1 NO 

Current per channel

2...5 A 

Current per output common

7 A 

Number of common point

1 for input 
1 for output 

Contact resistance

≤ 45 mOhm 

Response time

4 ms at state 1 input 
4 ms at state 0 input 
<= 10 ms from state 0 to state 1 output 
<= 5 ms from state 1 to state 0 output 

Minimum switching current

0,1 mA 0.1 V DC 

Isolation between channels

None 

Isolation between channels and internal logic

500 V for 1 minute (input) 
2300 V for 1 minute (output) 

Isolation between input channels and output channels

1500 V for 1 minute 

Isolation between output channels group

1500 V for 1 minute 

Mechanical durability

20000000 cycles 

Electrical durability

100000 cycles , 2 A 240 V AC , resistive
100000 cycles , 2 A 30 V DC , resistive 100000 cycles , 1 A 240 V AC AC-15 ,
100000 cycles , 0.5 A 240 V AC AC-15 ,
100000 cycles , 1 A 24 V DC DC-13 , inductive (L/R = 7 ms)

Current consumption

20 mA 24 V DC at state 1 for all input/output 
25 mA 5 V DC at state 1 for all input/output 

Local signalling

1 display block 

Electrical connection

1 removable screw terminal block 

Mounting support

35 mm symmetrical DIN rail 

Product weight

0,095 kg 

RoHS EUR conformity date

0830 

RoHS EUR status

Compliant