8
Communication
The unit has a standard RS485 communication port and optional Ethernet or
Profibus communication modules. The unit supports dual communication which
means the RS485 serial communication can be used together with either an
Ethernet or a Profibus connection.
Modbus communication settings
The communication terminals are A, B, S (14, 15, 16). A is the differential signal +, B
is the differential signal –, and S is the shield. Up to 32 devices can be connected on
an RS485 Modbus. The overall length of the Modbus cable cannot exceed 1000 m.
The communication terminals are A, B, S (14, 15, 16). A is the differential signal +, B
is the differential signal –, and S is the shield. Up to 32 devices can be connected on
an RS485 Modbus. The overall length of the Modbus cable cannot exceed 1000 m.
Enter “SYS” page and scroll to page S01 to set the device address and S02 to change
baud rate. Default settings are: Device address: 1 Baud rate: 19200 bps. Enter “SYS”
page and scroll to page S01 to set the device address.
Ethernet communication settings (optional)
AXM-Net default settings are:
• IP Address (192.168.1.254) • Subnet Mask (255.255.255.0)
• Gateway (192.168.1.1) • Primary DNS Server (202.106.0.20).
Change the settings in the setting mode and enter the “NET” page.
Exit “NET” page by pressing .
To enter the settings webpage, the default password is: 12345678
Profibus communication settings (optional)
AXM-PROFI default settings are:
• Device address 0
Profibus parameters can be set or viewed either from the unit front or through
communication using utility software. Please refer to the Profibus module user’s
manual chapter 3 “Application of Profibus DP Protocol”for operation details.
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