| GENERAL NOTES |
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| SUMMARY OF XSF FLAGS |
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| (Communications Operation of XSF flags is required) |
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| XSF2 |
- |
Controls Main Warning
Signs and Internally Illuminated Pavement Lights (on-line) |
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| XSF3 |
- |
Control of Boom Barriers
(on-line) |
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| GENERAL OPERATION |
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| If Local Control (Detector 1) is ON or Emergency Stop/Booms Reset
then Auto Control (i.e.
remote operation) is disabled. |
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| XSF Flags |
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| When XSF2 is
first sent, Pedestrian Wait State 1 is activated to switch the Main warning
signs. If Detector 3 (Main Warning Lights ON input) is not switched ON within
5 secs (Special Purpose Timesetting no. 9) of XSF2 being sent then set MSS
Flag 9 to send a warning message to the TMC. When XSF2 is sent start Timer 2
(Special Purpose Timesetting no. 10, which is initially set to 0 seconds).
The Booms cannot be lowered until Timer 2 has expired. If both XSF2 and XSF3
are cleared and Detector 3 is still ON after 5 secs (Timesetting no. 9) then
set MSS Flag 10. |
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| When XSF3 is
first sent after XSF2
flag set, Pedestrian Wait State 2 is activated to lower the Boom barriers. If
Detectors 6 and 7 (Booms Horizontal) are not switched ON within 20 secs
(Special Purpose Timesetting no. 11) of XSF3 being activated then set MSS
Flag 11 to send warning message to the TMC. If XSF3 is cleared and Detectors
4 &/or 5 are not switched ON within 20 secs (Special Purpose Timesetting
no. 11) of XSF3 being cleared then set MSS Flag 12. |
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| Communications must be established and XSF3 removed before Booms
can be raised, unless the Local Control is ON. When XSF3 is removed or the
Local Control is ON then both Pedestrian Wait States 1 and 2 are switched
OFF. The operation can only be re-activated if the XSF flags change state
from OFF to ON. |
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| If NO Boom
inputs, Dets 4,5 (Vertical) or Dets 6,7 (Horizontal) are received within 20
secs (Special Purpose Timesetting no. 11) then set MSS Flag 15 to send
message to TMC.
(Possible Cable Fault) |
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| PEDESTRIAN WAIT STATE OPERATION |
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| Pedestrian Wait State 1 is used to switch the Main Warning Signs. |
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| Pedestrian Wait State 2 is used to lower/raise Boom barriers. |
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| Pedestrian Wait State 3 is used to indicate Communication status. |
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| DETECTOR OPERATION |
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| Detector 1 |
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Local Control ON |
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Detector 1 activated
disables Auto control (remote) of booms and sets MSS Flag1 to send a message
to the TMC. |
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| Detector 2 |
- |
Not Used |
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| Detector 3 |
- |
Main Warning Lights |
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Detector
3 activated sets MSS Flag 3 to send a message to the TMC. |
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| Detector 4 |
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Booms Vertical (Left
Side) |
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| Detector 5 |
- |
Booms Vertical (Right
Side) |
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| Detector 6 |
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Booms Horizontal (Left
Side) |
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| Detector 7 |
- |
Booms Horizontal (Right
Side) |
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| Detector 8 |
- |
Main Supply Fail/UPS
Online (Left) – Critical Alarm |
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Detector 8 activated
sets MSS Flag 8 to send a message to the TMC. |
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| Detector 9 |
- |
Main Supply Fail/UPS
Online (Right) – Critical Alarm |
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Detector 9 activated
sets MSS Flag 8 to send a message to the TMC. |
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| Detector 10 |
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Auto Control (Remote) ENABLED |
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Detector 10 activated sets MSS Flag 6 to send a
message to the TMC. |
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| Detector 11 |
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Emergency Stop Activated |
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Detector
11 activated sets MSS Flag 14 to send a message to the TMC. |
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| Detector 12 |
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Booms Reset Activated |
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Detector
12 activated sets MSS Flag 14 to send a message to the TMC. |
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| Detector 13 |
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DC Supply Fail (Left) |
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Detector 13 activated sets MSS Flag 7 to send a message to the TMC. |
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| Detector 14 |
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DC Supply Fail (Right) |
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Detector 14 activated sets MSS Flag 7 to send a message to the TMC. |
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| SCATS WARNING MESSAGES |
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| MSS 1 |
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- “0 SIL %1: WGB
WARNING, LOCAL CONTROL ON |
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| MSS 3 |
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- “0 SIL %1: WGB
WARNING, WARNING SIGNS ON |
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| MSS 5 |
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- “0 SIL %1: WGB WARNING, DET 1 ON, CLEAR THE FUNCTIONS OF XSF2, XSF3 |
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| MSS 7 |
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- “0 SIL %1: WGB WARNING, DC SUPPLY FAIL – CHECK DETS 13, 14 |
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| MSS 8 |
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- “0 SIL %1: WGB
WARNING, MAIN SUPPLY FAIL/UPS ONLINE – CRITICAL ALARM - CHECK DETS 8, 9 |
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| MSS 9 |
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| OR - “0 SIL %1: WGB WARNING,
WARNING SIGNS SWITCHED ON/OFF-CHECK DET 3 |
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| MSS 10 |
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| MSS 11 |
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| OR |
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| MSS 12 |
- “0 SIL %1: WGB
WARNING, BOOMS POSITION INCORRECT-CHECK DETS 4, 5, 6, 7 |
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| MSS 13 |
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| MSS 14 |
- “0 SIL %1: WGB
WARNING, EMERGENCY STOP / BOOMS RESET ACTIVATED-CHECK DETS 11, 12 |
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| MSS 15 |
- “0 SIL %1: WGB
WARNING, WARNING, BOOMS NOT UP OR DOWN (CABLE FAULT??) |
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INPUT CABLE TERMINATION CHART |
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(10 pairs Communications Cable A) |
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| DESCRIPTOR |
CIRCUIT |
PAIR |
CONDUCTOR TERMINATION
DETAILS |
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| or FUNCTION |
STATUS |
REF No. |
INSULATION COLOUR |
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| AUTO CONTROL |
N/OPEN |
1st |
WHITE --------- |
DET. RETURN |
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ENABLE |
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BLUE ----------- |
DETECTOR NUMBER: 1 |
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| NOT USED |
N/OPEN |
2nd |
WHITE --------- |
DET. RETURN |
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ORANGE ------ |
DETECTOR NUMBER: 2 |
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| MAIN WARNING |
N/OPEN |
3rd |
WHITE --------- |
DET. RETURN |
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SIGNS |
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GREEN --------- |
DETECTOR NUMBER: 3 |
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| BOOMS FULLY |
N/OPEN |
4th |
WHITE --------- |
DET. RETURN |
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| UP (LEFT SIDE) |
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BROWN -------- |
DETECTOR NUMBER: 4 |
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| BOOMS FULLY |
N/OPEN |
5th |
WHITE --------- |
DET. RETURN |
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| UP (RIGHT SIDE) |
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GREY ----------- |
DETECTOR NUMBER: 5 |
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| BOOMS HORIZONTAL |
N/OPEN |
6th |
RED ------------- |
DET. RETURN |
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(LEFT SIDE) |
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BLUE ----------- |
DETECTOR NUMBER 6 |
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| BOOMS HORIZONTAL |
N/OPEN |
7th |
RED ------------- |
DET. RETURN |
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(RIGHT SIDE) |
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ORANGE ------ |
DETECTOR NUMBER 7 |
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| MAINS POWER |
N/OPEN |
8th |
RED ------------- |
DET. RETURN |
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| FAILURE (LEFT) |
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GREEN ------ |
DETECTOR NUMBER 8 |
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| MAINS POWER |
N/OPEN |
9th |
RED ------------- |
DET. RETURN |
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| FAILURE (RIGHT) |
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BROWN ------ |
DETECTOR NUMBER 9 |
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| AUTO CONTROL |
N/OPEN |
10th |
RED ------------- |
DET. RETURN |
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| (REMOTE) ENABLED |
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GREY ------ |
DETECTOR NUMBER 10 |
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INPUT / OUTPUT CABLE TERMINATION CHART |
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| (10 pairs Communications Cable B) |
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| DESCRIPTOR |
CIRCUIT |
PAIR |
CONDUCTOR TERMINATION
DETAILS |
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| or FUNCTION |
STATUS |
REF No. |
INSULATION COLOUR |
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| WARNING SIGNS |
N/OPEN |
1st |
WHITE --------- |
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BLUE ----------- |
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1 |
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| LOWER BOOMS |
N/OPEN |
2nd |
WHITE --------- |
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ORANGE ------ |
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2 |
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| COMMUNICATIONS |
N/OPEN |
3rd |
WHITE --------- |
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STATUS |
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GREEN --------- |
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3 |
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| DC SUPPLY FAIL |
N/OPEN |
4th |
WHITE ------------- |
DET. RETURN |
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LEFT |
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BROWN ------ |
DETECTOR NUMBER 13 |
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| DC SUPPLY FAIL |
N/OPEN |
5th |
WHITE ------------- |
DET. RETURN |
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RIGHT |
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GREY ------ |
DETECTOR NUMBER 14 |
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| EMERGENCY STOP |
N/OPEN |
6th |
RED ------------- |
DET. RETURN |
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| ACTIVATED |
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BLUE ------ |
DETECTOR NUMBER 11 |
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| BOOMS RESET |
N/OPEN |
7th |
RED ------------- |
DET. RETURN |
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| ACTIVATED |
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ORANGE ------ |
DETECTOR NUMBER 12 |
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