32 views
asked in Electrical Engineering by
State the function of following components related to mimic diagram. 1) PL 2) OPL 3) CHL 4) GCK 5) LTK 6) ARK

Know someone who can answer this question ? Share this on Facebook, Twitter, Whatsapp

← Prev Question Next Question →

1 Answer

answered by
Ans : 1) PL-Milky white lamp called pilot lamp is provided which lights up when alarm is received from any section in that panel 

2) OPL-Green lamp called operation in progress lamp lights up whenever impulse train is being transmitted from or received by the remote control centre 

3) CHL-Red lamp called channel failure lamp lights up when either send or receive channel fails or underground P and T cable develops a fault 

4) GCK- General check key is provided for each controlled post to verify the exact position of all the apparatus at the controlled post 

5) LTK- Lamp test key is provided to carry out a test to ensure that all the indication lamps on each mimic panel are in good condition 

6) ARK -Alarm reset key is provided to enable the traction power controller to acknowledge and cancel any alarm tele signals arriving at the control centre
Ask now - it's free
...