ABB ACX Commissioning Instruction page 82

Release of communication via Modbus® TCP/IP
Release communication
via Modbus® TCP/IP
82
In the ACX, communication via Modbus® TCP/IP is blocked on all Ethernet interfaces
(X8 / X9) by default.
Implement the following steps to release communication via Modbus® TCP/IP:
1. With the Modbus card installed, select the '...\Configure\Network\Modbus' menu.
or
The '...\Configure\Network\Modbus' menu is not available if the Modbus card is not
installed. In this case, the Release menu is called up directly via 'Modbus TCP'.
2. Select the 'Modbus TCP Access' menu item and confirm by selecting <ENTER>.
3. Select the 'Modbus TCP Access' menu item and set the parameter to 'Permit'.
ACX Analyzer System Commissioning Instruction CI/ACX-EN Rev. D