Product overview
KL6031/KS6031, KL6041/KS6041 11Version: 2.1.0
2.4 KL6041 - Introduction
Fig.2: KL6041
The KL6041 serial interface enables the connection of devices with an RS422 or RS485 interface. The
device connected to the KL6041 terminal communicates with the automation device via the Bus Coupler.
The active communication channel operates independently of the higher-level bus system in full or half
duplex mode at up to 115.2kbit/s. The differential signal transmission according to RS422 guarantees high
immunity to interference through electrically isolated signals.
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 100ms.
TxD green State of the transmit signal line
RxD green State of the receive signal line
Connections
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 (internally bridged with terminal 7)
7 GND Ground (internally bridged with terminal 3)
4 Shield Shield (internally bridged with terminal 8)
8 Shield Shield (internally bridged with terminal 4)
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