Delta DVW-W1I2-E1 Series User Manual page 30

Operation mode
Select the roles and operating agreement for present network and serial ports via
following options:
1. MODBUS ASCII Slave: The network port for DVW device operates in MODBUS
TCP Server mode, the RS-485 serial port operates in MODBUS ASCII master
mode.
Description
Ch ap te r 3 Fu nc tion G uide
Default value
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3 - 1 1