Iqn Recertification - Module (1)
8 Questions
Module (1) will test competencies on lighting systems and their components.
Questions and Answers
- 1.
The SC 370d Vanguard System Controller is able to receive a universal power supply input between _____ and ______ VAC 50-60HZ
- A.
120 VAC
- B.
120 and 240 VAC
- C.
240 and 480 VAC
- D.
120 and 480 VAC
Correct Answer
B. 120 and 240 VAC -
- 2.
The FH 370x operates on ____VDC which is provided from the Vanguard SC 370x system controller TB2.
- A.
120
- B.
24
- C.
60
- D.
1000
Correct Answer
C. 60 -
- 3.
The Vanguard SC370d marker interface j-box should be installed on the ground and not on the tower because the j-box houses the marker dry contacts.
- A.
True
- B.
False
Correct Answer
B. False -
- 4.
The SC 370x Vanguard system controller must be grounded with a # ___ AWG wire.
- A.
8
- B.
6
- C.
14
- D.
2
Correct Answer
D. 2Explanation
The SC 370x system controller must be grounded with a #2AWG. The marker j-box and Flashead should be grounded with a minimum #8AWG.Rate this question:
-
- 5.
The binding and discovery process should be completed on every system during an installation or if components are replaced.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Binding and discovery is a pairing process that allows the system controller to find any control boards connected to its PLC cable (Power Line Communication / Flashead cable). This process allows for configuration of the system without the need for jumpers or dip switches.Rate this question:
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- 6.
If the PCB1 controller board of the SC 370x system indicates a Day, Night, and Comm alarm what is being represented?
- A.
Marker Alarm
- B.
Commercial Power Fail
- C.
Beacon Comm Fail
- D.
Photodiode Alarm
Correct Answer
C. Beacon Comm FailExplanation
The most likely cause of this alarm is:
1. The Flashead (FH 370x) is not receiving the correct DC voltage for proper operation (60VDC).
2. The system has not been bound and discovered properly.
3. Flashead cable termination issue.Rate this question:
-
- 7.
A single SC 370d Vanguard System Controller has the ability to operate ____________________________.
- A.
(2) LED FH (FH 370d) and up to (8) DC LED markers
- B.
(1) LED FH (FH 370d) and up to (4) DC LED markers
- C.
(1) LED FH (FH 370d) and up to (8) DC LED markers
- D.
(2) LED FH (FH 370d) and up to (4) DC LED markers
Correct Answer
B. (1) LED FH (FH 370d) and up to (4) DC LED markers -
- 8.
The 1.5 Watt DC LED markers (used on the Vanguard SC 370d) operate off of ____ VDC.
- A.
60
- B.
24
- C.
12
- D.
120
Correct Answer
B. 24Explanation
60VDC is supplied to the marker j-box (from the system controller), but the marker PCB only outputs 24VDC to operate the DC LED markers.Rate this question:
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Feb 05, 2014Quiz Edited by
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