KL6021-0023 - Introduction

KL6021-0023 - Introduction 1:
KL6021-0023 - Serial interface terminal for the connection of the KL6023 wireless adapter

The KL6021-0023 serial interface connects the wireless adapter via an RS485 signal. The KL6023 wireless adapter operates as an EnOcean radio receiver and receives the radio signals from EnOcean sensors.

Contact assignment

Terminal point

Name

Signal

1

TxD+

Signal line (Transmit Data)

5

TxD-

Signal line (Transmit Data)

2

RxD+

Signal line (Receive Data)

6

RxD-

Signal line (Receive Data)

3

GND

Ground for the KL6023 (bridged internally with terminal point 7)

7

GND

Ground for the KL6023 (bridged internally with terminal point 3)

4

+5 V

Supply voltage for the KL6023 (bridged internally with terminal point 8)

8

+5 V

Supply voltage for the KL6023 (bridged internally with terminal point 4)

LEDs

LED

Color

Meaning

RUN

green

This LED indicates the terminal's operating state:

on

normal operation

off

A watchdog timer overflow has occurred. The RUN LED goes out if no process data is transmitted to the terminal from the Bus Coupler for 100 ms.

TxD

green

State of the transmit signal line

RxD

green

State of the receive signal line