RLE LD5100 - Manual (Page 40)

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5 LCD Interface
5.10. Point Mapping
The Point Mapping menu allows users to map points on the LD5100. Mapped points help users
to create reference maps for a cable layout. For more details about how to map the cable on the
LD5100 see Chapter 6, “Mapping the Cable” on page 41.
5.11. Comm Port Settings
The Comm Port Settings menu allows users to configure both of the LD5100’s RS485 Modbus
ports. The LD5100 is only configurable as a Modbus slave device. Both ports may have their
addresses and baud rates set in this menu. Both addresses may be different and can be
configured from 0 (disabled) to 254. Both baud rates can be different and can be configured as
1200, 2400, 9600 (default), or 19200.
To set the ports, use the up and down arrows to navigate to the desired Port #. Then push the
right arrow to select the field. Use the up and down arrows to select the desired setting.
The Leak Detection Master option enables slave units to activate the LD5100 when they are
triggered into an alarm state. This function is beneficial when the LD5100 is a remote system
that does not have personnel in the immediate vicinity to monitor the alarm status.
When using the leak detection master option, the LD5100 relays can be activated according to
the slave unit alarm. If the slave has a leak alarm or a cable break alarm, the LD5100 leak or
cable relay will change state, respectively (i.e. it will trigger that an alarm is present. The zone
will then appear on the LCD and an alarm state will be reported to the top level of the system.
Figure 5.11 Comm Port