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MSS User Guide | 4: Configuration |
line is available to receive again. At most baud rate settings, the timing delay is typically one character length with a maximum of 1.5 character lengths.
Note: For 600 baud and 4800 baud operation, the timing delay is doubled.
Figure 4-22: Enabling Two-Wire RS-485 Mode for MSS4
Local> CHANGE RS485 PORT 2 MODE 2WIRE
Figure 4-23: Enabling Two-Wire RS-485 Mode for MSS-VIA
Local> CHANGE RS485 MODE 2WIRE
Note: For
Four-Wire Mode
In
Figure 4-24. Example Four-Wire Mode Network
It is important to connect the transmitter of the master device to the wire that is connected to the receive terminals on the slave devices, and connect the receiver of the master device to the wire that is connected to the transmit terminals on the slave devices. In essence, the master device will be connected to the slave devices with a swapped cable.
In
Figure 4-25: Enabling Four-Wire RS-485 Mode for MSS4
Local> CHANGE RS485 PORT 2 MODE 4WIRE
Figure 4-26: Enabling Four-Wire RS-485 Mode for MSS-VIA
Local> CHANGE RS485 MODE 4WIRE