Delta C2000 Series User Manual page 563

Chapter 12 Description of Parameter SettingsC2000
Additional Settings for the Communication Card (for MODBUS TCP)

Settings
Communication Card Status (for MODBUS TCP)
Settings
bit0: Enable IP Filter
bit1: Enable internet parameters (1bit)
When IP address is set, this bit is enabled. After updating the
communication card parameters, this bit changes to disabled.
bit2: Enable login password (1bit)
When you enter the login password, this bit is enabled. After updating
the communication card parameters, this bit changes to disable.
bit0: Enable password
When the communication card is set with a password, this bit is
enabled. When the password is cleared, this bit is disabled.
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Default: 1
Default: 0