Commissioning P54x/EN CM/La4
MiCOM P543, P544, P545 & P546
CM) 10-67
CM
*Delete as appropriate
Have all relevant safety instructions been
followed?
Yes*
No*
5.
Product checks
5.1
With the relay de-energized
5.1.1 Visual inspection
Relay damaged? Yes*
No*
Rating information correct for installation? Yes* No*
Case earth installed? Yes* No*
5.1.2 Current transformer shorting contacts close?
Yes*
No*
Not checked*
5.1.3
Insulation resistance >100M at 500V dc
Yes*
No*
Not tested*
5.1.4 External wiring
Wiring checked against diagram? Yes* No*
Test block connections checked?
Yes*
No*
N/A*
5.1.5 Watchdog contacts (auxiliary supply off)
Terminals 11 and 12 Contact closed? Yes* No*
Terminals 13 and 14 Contact open? Yes* No*
5.1.6 Measured auxiliary supply V ac/dc*
5.2
With the relay energized
5.2.1 Watchdog contacts (auxiliary supply on)
Terminals 11 and 12 Contact open? Yes*
No*
Terminals 13 and 14 Contact closed? Yes* No*
5.2.2 LCD front panel display
LCD contrast setting used
5.2.3 Date and time
Clock set to local time? Yes* No*
Time maintained when auxiliary supply
removed?
Yes* No*
5.2.4 Light emitting diodes
5.2.4.1 Alarm (yellow) LED working? Yes* No*
Out of service (yellow) LED working? Yes* No*
5.2.4.3 All 18 programmable LEDs working? Yes* No*
5.2.5 Field supply voltage
Value measured between terminals 8 and 9 V dc