Care2
Installation Instructions
56
Care2 issue 7
4.9.2 Line Parameters
4.9.3 RTC (Real Time Clock) Adjustment
The RTC (Real Time Clock) is used to Date & Time stamp entries
in the Fault Log and should be set to the current time when the
system is commissioned.
4.9.3.1 Real Time Clock PEC (Processor Error Correction)
The Real Time Clock is adjusted by setting PEC values, these are
factory preset and should not require adjustment.
The default settings for this combination of Hardware &
Firmware is as follows:
Table 4.2 — Default PEC Settings for Real Time Clock
4.9.3.2 RTC Power Requirements
Title
Default Value
Description
Type
none / DRS
Will display "none" if Outstation not detected,
will default to "DRS" if an Outstation is detected.
To ensure correct operation the Installer must
select the type of Outstation attached to the Line.
Name
Outstation n
Name of the Outstation
Ln Offhook 1
>6400uA
Threshold for Outstation Offhook
Ln Onhook 1
<9600uA
Threshold for Outstation Onhook
Ln EOLz OC 1
<400uA
Threshold for Open Circuit Outstation Fault
CH EOLz SC 1
>48800uA
Threshold for Short Circuit Outstation Fault
Restore Defaults
N/A
Restore All Line Parameters to Default Values
Save and Exit
Save Changes and Exit Line Parameters Menu
Exit Without Save
Exit Line Parameters Menu Without Saving
PEC Setting
PEC Value
PEC per Minute
-11
PEC per Hour
34
PEC per Day
12
N
OTE
: If power is completely removed (i.e.both Mains and 24V Battery
Supply are disconnected) the RTC will stop running.
When power is restored the RTC will re-start, however it will require re-
setting to the current time.
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