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Signal CertIV > Nomenclature > Flashcards

Nomenclature Flashcards

(78 cards)

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1
Q

NKR

A

Normal Indicating Relay - Indicates points Normal

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2
Q

RKR

A

Reverse Indicating Relay - Indicates points Reverse

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3
Q

NWAR

A

Normal Points Available relay - Determines if points would go normal if other conditional locking released

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4
Q

RWAR

A

Reverse Points Available relay - Determines if points would go reverse if other conditional locking released

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5
Q

NOLR

A

Normal overlap relay - Selects normal overlap

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6
Q

ROLR

A

Reverse overlap relay - Selects reverse overlap

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7
Q

SR

A

Lever stick relay - Prevents signals automatically releasing after trains

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8
Q

UCR

A

Route checking relay - Checks all tracks & points detection for signal control

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9
Q

LSpR

A

Low Speed relay - Operates low speed light

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10
Q

HR

A

Signal Caution relay - Operates signals lights to caution

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11
Q

HDR

A

Signal medium relay - Operates signal lights to medium

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12
Q

DR

A

Signal Clear relay - Operates signal lights to clear

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13
Q

ECR

A

Lamp checking relay - Proves lamp alight

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14
Q

NGPR

A

Signal normal repeat relay - Proves signal and train stop Normal

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15
Q

RGKR

A

Signal reverse repeat relay - Indicates signal cleared

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16
Q

VNR

A

Train stop Normal - Proves train stop Normal

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17
Q

VRR

A

Train stop Reverse - Proves train stop reverse

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18
Q

VCSR

A

Train stop checking stick relay - Proves that train stop has returned to normal after passage of train

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19
Q

VR

A

Train stop relay for contactor - Operates train stop

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20
Q

ALSR

A

Approach lock stick relay - Holds locking if signal is placed normal in front of train

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21
Q

ALSJR

A

Approach lock timer relay - Times out approach locking

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22
Q

USR

A

Route stick relay - Holds locking in place after a train has enters route

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23
Q

TJR

A

Track timing relay - Track timing to release route locking or conditionally clear signals depending on application

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24
Q

POJR

A

Power off timer relay - Disconnects quick release path in approach sticks and TZR to retain locking during a power failure

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25
(F)R
Button Pressed - Repeats push button operation
26
(FM)R
Button Pulled (Contacts broken) - Provided for emergency replacement of signal
27
(R)PR
Button reverse (pressed) repeat relay - Used to ensure only one button pressed at a time, operates commence & finish relays
28
CeR
Commence Relay - Defines and initiates route to be set
29
FnR
Finish Relay - Defines end of a route, in conjunction with CER sets route
30
MuR
Machine in Use - Operates when commence relay is up to make next bottom operation a finish
31
FnPR
Finish repeat relay - Initiates timing sequence to remove route call
32
FnJR
Finish timing relay - Provides timing sequence initiated by finish function
33
FnJPR
Finish timing repeat relay - Provides timing sequence initiated by finish function
34
FnJP2R
Finish timing repeat (No2) Relay - Provides timing sequence initiated by finish function
35
(N)R
Normalizing Relay - Normalizes route
36
TZR
Track special relay - Guarantees integrity of automatic normalizing path
37
RUR
Reverse route relay - Picks when route is set & calls points to correct position
38
NLR
Normal Lock relay - Main interlocking relay indicates when route is normal
39
IR
Isolating relay - Cuts points motor circuit to ensure no movement due to leakage current
40
NLR
Normal lock relay - Main interlocking relay for points normal position
41
RLR
Reverse lock relay - Main interlocking relay for points reverse position
42
WZR
Points free relay - Indicates if points are free and would respond to call
43
WJR
Points timer relay - Provides additional time delay before points become free to cover bobbing tracks
44
WTJR
Points transit timer relay - Limits the running time of points motor
45
NLKPR
Points normal & Locked indicating repeat relay - Checks that points are in normal position and locked
46
RLKPR
Points reverse & locked indicating repeat relay - Checks that points are in reverse position and locked
47
NWKR
Normal points indicating relay - Indicates normal points position
48
RWKR
Reverse points indicating relay - Indicates reverse point position
49
(N)R
Normal Relay - Repeats point lever position
50
(R)R
Reverse Relay - Repeats point lever position
51
(C )R
Center Relay - Repeats Point Lever position
52
RUR
Reverse route relay signals - Picks when route is set. Calls points to correct position
53
NLR
Normal lock relay - Main Interlocking relay, indicates when route is normal
54
NLR
Normal Lock relay - Main interlocking relay for points normal position
55
RLR
Reverse lock relay - Main interlocking relay for points reverse position
56
WZR
Points free relay - Indicates if points are free and would respond to a call
57
RSR
Route setting relay - Sets routes when button pressed
58
UNR
Route normal relay - Cancels route when button is pulled
59
NZR
Normal setting relay - Sets points normal when route called
60
RZR
Reverse setting relay - Sets points reverse when route called
61
UCR
Route checking relay - Checks all tracks & points detection for signal controls
62
LSpR
Low speed relay - Operates low speed light
63
DR
Signal clear relay - Operates signal lights to clear
64
NGPR
Signal normal repeat relay - Proves signal is normal
65
RGPR
Signal reverse repeat relay - Indicates signal cleared
66
ALSR
Approach lock stick relay - Holds locking if signal replaced in front of train
67
ALSJR
Approach lock timer relay - Times out approach locking
68
USR
Route stick relay - Holds locking after train enters a route
69
YR
Disengaging relay - Calls section control when setting route into single line section
70
DDSR
Down direction stick relay - Proves train travelling in down direction
71
UDSR
Up direction stick relay - Proves train travelling in up direction
72
DSCR
Down section control relay - Checks section clear for down train
73
USCR
Up section control relay - Checks section clear for Up train
74
DSCJR
Down section control timer relay - Checks section clear for required time
75
USCJR
Up section control time relay - Checks section clear for required time
76
XR
Crossing control relay - controls operation of crossing warning devices
77
SSER
Sydney side lamp relay - controls LX lamps on city side of level crossing
78

Signal CertIV (1 decks)

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