3

U-I operation description

Figure 4. Input U-I operation and IEC61131-2 characteristic limits

OFF REGION

ON REGION

UL max_H

60 V

UH min

Transition region

Fault region

U

2.5 mA

4 mA

UH max

OFF REGION

ON REGION

-UL max_H

- UH min

Transition region

Fault region

-2.5 mA

-4 mA

-UL max_L

-UH max

-60 V

UL max_L

CLT typical U-I characteristics

Note:

When the input current stays below 2.5 mA, the CLT03 output remains in the OFF state.

Table 6. IEC61131-2 Input characteristic limits

Symbol

Type 1

Type 3

UL max_H

15 V

11 V

UL max_L

5 V

5 V

IL max.

15 mA

15 mA

IT min.

0.5 mA

1.5 mA

UH min.

15 V

11 V

UH max.

30 V

30 V

IH min.

2 mA

2 mA

IH max.

15 mA

15 mA

CLT03-2Q3, CLT03-1SC3

U-I operation description

DS12302 - Rev 13

page 6/24