16 |
2105824-001 rev. AA
9. Change the LevelMaster ID by typing the correct ID into the New LevelMaster ID
field and clicking
Set New ID
.
10. If needing to set another Baud rate, click
Set <…>Baud Rate
. The next
applicable value for the baud rate is the one shown on the button. For example,
if the value shown is 19200, clicking on the button, will set the rate to 19200.
IMPORTANT NOTES:
Baud rates for units connected to a RS485 bus must match.
Power to the unit must be reset for the new baud rate to take effect.
Take note of the rate defined. The new rate is needed to connect to the
unit again and must be selected prior to establishing communication.
11. From the monitor screen verify that the level and temperature readings display
expected values based on the float position and temperature. See section 4.6,
Verify measurements
.
12. If the LevelMaster is the only unit installed, or it is the last unit on a RS485 bus
proceed to section 4.5.4,
Configure RS485 termination
.
4.5.4 Configure
RS485
termination
Use this procedure if the LevelMaster is the only unit or the last unit on a RS485 bus.
Termination configuration can only be done on software (no jumpers are available on
the new board).
1. Click on the
Monitor
tab and select
Add Advanced Setup tabs
.
2. Click
the
More items
tab.
3. Select
Show memory map
.
4. Scroll down to locate the 844 memory address. The description of this memory
location is RS485 bus termination (Figure 9).
Figure 9: RS485 termination