KL3312, KL3302 - 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!

KL3312, KL3302 - Contact assignment and LEDs 1:
KL3312 - Contact assignment and LEDs

KL3302 is no longer available and was replaced with KL3312.

KL3312 - Contact assignment

Terminal point

No.

Comment

+TC1

1

Input +TC1

-TC1

2

Input -TC1

GND

3

Ground (internally connected with terminal point 7)

Shield

4

Shield (internally connected to terminal point 8)

+TC2

5

Input +TC2

-TC2

6

Input -TC2

GND

7

Ground (internally connected with terminal point 3)

Shield

8

Shield (internally connected to terminal point 4)

KL3312 - LEDs

LED

Color

Description

Run1 LED,
Run2 LED

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

red

On

Wire breakage. The resistance is in the invalid range of the characteristic curve of the respective thermocouple.

 

Off

The resistance is in the valid range of the characteristic curve