8.15 Modbus TCP connector X20
The drive can be connected to Modbus HMI by using RJ45 connector X20. The protocol allows reading and writing
of drive and axis parameters.
The communication status is indicated by the built-in LED.
Connector LED Name Function
X20 LED IN port Link green = active, red= not active
Connect the service interface (X20) of the drive to an EtherNet interface on the Modbus HMI directly or by using a
network switch, while the supply to the equipment is switched off. Use standard Cat. 5 EtherNet cables for
connection.
Confirm that the link LED on the AKD2G (the green LED on the RJ45 connector) and on your HMI or switch are both
illuminated. If both LEDs are illuminated, then you have a good electrical connection.
The following are required to connect an HMI to the drive:
l
The HMI must support Modbus TCP.
l
It must have EtherNet hardware and a driver for Modbus TCP, though the driver does not have to be made
specifically for the AKD2G family.
The subnet mask of the AKD2G is 255.255.255.0. The first three octets of the drive’s IP address must be the same
as the first three octets of the HMI’s IP address. The last octet must be different.
Modbus TCP and WorkBench/KAS IDE can operate simultaneously if a switch is used.
Communication profile
For Modbus communication profile description refer to the WorkBench Online Help.
AKD2G-S Installation Manual, Safety 1
Kollmorgen | kdn.kollmorgen.com | June, 2023 149
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