Danfoss VLT FC 102 Series Design Manual page 148

Installation and Set-up
8.1.2 Adjustable Frequency Drive Hardware
Set-up
Use the terminator dip switch on the main control board
of the adjustable frequency drive to terminate the
RS-485 bus.
Figure 8.3 Terminator Switch Factory Setting
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The factory setting for the dip switch is OFF.
8.1.3 Adjustable Frequency Drive
Parameter Settings for Modbus
Communication
The following parameters apply to the RS-485 interface
(FC port):
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Design Guide
ON
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Parameter Function
8-30 Protocol Select the application protocol to run on
the RS-485 interface
8-31 Address Set the node address. Note: The address
range depends on the protocol selected in
8-30 Protocol
8-32 Baud Rate Set the baud rate. Note: The default baud
rate depends on the protocol selected in
8-30 Protocol
8-33 Parity / Stop Set the parity and number of stop bits.
Bits Note: The default selection depends on the
protocol selected in 8-30 Protocol
8-35 Minimum Specify a minimum delay time between
Response Delay receiving a request and transmitting a
response. This can be used for overcoming
modem turnaround delays
8-36 Maximum Specify a maximum delay time between
Response Delay transmitting a request and receiving a
response
8-37 Maximum Specify a maximum delay time between
Inter-Char Delay two received bytes to ensure timeout if
transmission is interrupted
Table 8.2 Parameters Apply to the RS-485 Interface (FC port)
MG11BC22