Kendrion Kuhnke Automation GmbH
1-port RS485
399
17 May 2021
5.7 Interface and Communication Modules
5.7.1 RS485 1 Port
The module provides a RS485 interface accessible by EtherCAT.
Run CoE (CODESYS configuration tool) to set the parameters. The process image is the medium of data
interchange. A
(RS485 is there COM2)
for this module.
Terminals
IO Connection, Male 18-pin
Trm.
Signal
Explanation
0..4
-
Not used
5
D+
Data +
6
D-
Data -
7
GND
earth potential
8
D+ Term.
Bus termination, Data+
9
D- Term.
Bus termination, Data-
10..15
-
Not used
Status LEDs
LED "EtherCAT Run"
The LED labelled "RN" indicates the state of the EtherCAT ASIC.
Initialising, no data exchange
Pre-operational, no data exchange
Safe operation, inputs readable
Operational, unrestricted data exchange
Pin wiring
Front view of the RS485 module