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Setting the System Shunt
Setting the System Shunt
Step Action
Enter the following key sequence:
Select Shunt Type:
· Distributed Architecture no shunts external to the GPS cabinet), select:
·
“None” for both Shunt 1 Type and Shunt 2 Type
· Centralized Architecture (shunts outside the GPS cabinet used), select:
·
“Load” for both Shunt 1 Type and Shunt 2 Type
Set the shunt size for centralized architecture systems (the size is not used for distributed architecture systems).
Setting the Low-Voltage Battery Disconnect Feature
Setting the LVBD Feature (if used)
Step Action
To enable LVBD, enter the following key sequence:
Note: The LVBD configuration must be set, if used. No alarm lights will show if this is not set.
The default thresholds are:
disconnect voltage: -44V
reconnect voltage: -48V
To set the thresholds to other values, enter the following key sequence:
Note: The factory default on all battery contactors in the system is hardwired as Contactor 1. This cannot be
changed.
Setting the Low-Voltage Load Disconnect Feature
Setting the LVLD Feature
Step Action
To enable LVLD, enter the following key sequence:
Note: The LVLD configuration must be set. No alarm lights will show if this is not set.
The default thresholds are:
disconnect voltage: -44V
reconnect voltage: -48V
To set the thresholds to other values, enter the following key sequence:
Note: The factory default for all load disconnect contactors in the system is hardwired as BICXX and LVLD1. In the
Millennium II system this can be changed to BICXX and LVLD2 to allow some load contactors to open at
different thresholds. To change, move the jumpers on the associated EBV contactor drive boards as shown
in Figure 8-15. Next, set the controller’s BICXX and LVLD2 configuration to Load with the desired thresholds
as described above.
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