35
4.4.1 Repeat address check
The repeat address check aims to check the repeated address number of devices in the
loop.
Figure 4
‑
45 Repeat address check interface
Select “query” to carry out the repeat address check. Now, “query” and “return” buttons are
disabled.
When the check is completed, all repeated addresses in the loop will be displayed. Now it
can check again, or exit the repeat address check by pressing “return”. The time-out error will
be displayed if repeat value and stop command have not been obtained within 120 sec, and the
test shall be carried out again.
4.4.2 Single-point test
The single-point test can be used to test operating state of detector/module on site and is
generally used for debugging or fault diagnosis. This document does not describe it in detail.
Click on "single-point test" —> "use"/"debugging mode" menu items, the address selection
dialog box will pop up on the screen, as shown below:
Figure 4-46 Single-point test - debugging mode
Enter the bus address point requiring single-point test and click on "OK" button to start the
relevant test, and the screen display is as follows:
