KL302x/KS302x - Contact assignment and LEDs

WARNING
Risk of injury through electric shock and damage to the device!

Bring the Bus Terminals system into a safe, de-energized state before starting mounting, disassembly or wiring of the Bus Terminals!

KL302x/KS302x - Contact assignment and LEDs 1:
KL3211, KL3022 - Contact assignment and LEDs

Contact assignment of KL3021/KS3021

Terminal point

No.

Comment

+Input 1

1

+ Input 1

-Input 1

2

- Input 1

GND

3

Internal ground (internally connected to terminal point 7)

Shield

4

PE contact (internally connected to terminal point 8)

n.c.

5

not connected

n.c.

6

not connected

GND

7

Internal ground (internally connected to terminal point 3)

Shield

8

PE contact (internally connected to terminal point 4)

 

Contact assignment of KL3022/KS3022

Terminal point

No.

Comment

+Input 1

1

+ Input 1

-Input 1

2

- Input 1

GND

3

Internal ground (internally connected to terminal point 7)

Shield

4

PE contact (internally connected to terminal point 8)

+Input 2

5

+ Input 2

-Input 2

6

- Input 2

GND

7

Internal ground (internally connected to terminal point 3)

Shield

8

PE contact (internally connected to terminal point 4)

KL302x/KS302x - LED display

LED

Color

Description

Run1 LED
Run2 LED (KL3022 only)

green

On:

Normal operation

Off:

Watchdog-timer overflow has occurred. If no process data is transmitted to the bus coupler for 100 ms, the green LEDs go out

Error1 LED
Error2 LED (KL3022 only)

red

On:

The limit stop of the A/D converter has been reached. The current is greater than 21.5 mA.

Off:

Normal operation