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
NOTE: 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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