VFD EtherNet/IP Option Card
Option Card Application Manual
45
Scenario 2
Main connection device PLC (192.168.1.10) can read and write, but remote
workstation (192.168.1.100) can only read. The drive stops only when
communication time-out occurs on main connection device PLC.
1. Select
Only master with the IP address below can write
checkbox, and set PLC as
the main connection device (192.168.1.10). Then, press
Apply
button to finish the
setting.
2. When remote workstation sends a Modbus TCP write command, an exception code
(0x04) occurs on option card. The drive does not stop when remote workstation time-out
occurs.
3. When communication time-out occurs on PLC, the drive stops and “ECto” displays on
the keypad. At this time, remote workstation can still send read commands to read
parameters of the drive.