FANUC DUAL CHECK SAFETY TEST

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| By John Nitecki

John Nitecki

Community Contributor

Quizzes Created: 1 | Total Attempts: 337

Questions: 10 | Attempts: 337 | Updated: Mar 21, 2023

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Questions and Answers

1.

Which of the Following is a true statement?
- A.
  
  Dual Check Safety is available on any FANUC robot beginning with System R-J.
- B.
  
  Dual Check Safety is independently certified to meet all applicable ANSI standards.
- C.
  
  With Dual Check Safety enabled on a robot, no additional guarding is needed.
- D.
  
  To keep the Dual Check Safety passcode from being lost, its a good idea to be sure as many people as possible know it.
Correct Answer
B. Dual Check Safety is independently certified to meet all applicable ANSI standards.

Explanation
Dual Check Safety is independently certified to meet all applicable ANSI standards. This means that the safety features of Dual Check Safety have been evaluated and verified by a third-party organization to ensure that they comply with the safety standards set by the American National Standards Institute (ANSI). This certification provides assurance that the safety measures implemented in Dual Check Safety are reliable and meet the necessary requirements to protect workers and prevent accidents.

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2.

What is the correct way to recover from a DCS Joint Position Check alarm.
- A.
  
  Press SHIFT + RESET
- B.
  
  Cycle robot power.
- C.
  
  Cold start the robot.
- D.
  
  Press RESET DCS ALARM on the FUNCTION Menu.
Correct Answer
A. Press SHIFT + RESET

Explanation
Pressing SHIFT + RESET is the correct way to recover from a DCS Joint Position Check alarm. This combination of keys is likely a specific command or function that is designed to address and resolve this particular alarm. By pressing these keys, the system will initiate the necessary actions to recover from the alarm and restore normal operation.

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3.

Which of the following allows you to enable DCS Cartesian Speed Check?
- A.
  
  Program instruction
- B.
  
  Setting on the DCS Cartesian Speed Check menu.
- C.
  
  System Variable setting
- D.
  
  All of the above
Correct Answer
B. Setting on the DCS Cartesian Speed Check menu.

Explanation
The correct answer is "Setting on the DCS Cartesian Speed Check menu." This option specifically mentions the DCS Cartesian Speed Check menu, which implies that there is a specific setting within that menu to enable this feature. The other options, such as program instruction and system variable setting, are not explicitly mentioned in relation to enabling DCS Cartesian Speed Check. Therefore, the correct answer is the option that directly addresses the feature in question.

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4.

The DCS OPSFTY signals are hardwired to which unit on the R30iA Controller?
- A.
  
  Main Board
- B.
  
  SOP Panel Board
- C.
  
  E-Stop Unit
- D.
  
  Servo Amp
Correct Answer
B. SOP Panel Board

Explanation
The DCS OPSFTY signals are hardwired to the SOP Panel Board on the R30iA Controller. This means that the safety signals from the DCS (Distributed Control System) are directly connected to the SOP (Safety Override Panel) Panel Board, which is responsible for monitoring and controlling safety functions in the system.

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1
0
5.

There are two levels of DCS Code numbers Master and Local. The local are...?
- A.
  
  Base, Position/Speed Check and I/O Connect
- B.
  
  User 1, User 2, User 3
- C.
  
  Position, Speed, and Safety PLC
- D.
  
  Cartesian, Joint and Speed
Correct Answer
A. Base, Position/Speed Check and I/O Connect

Explanation
The correct answer is Base, Position/Speed Check and I/O Connect. These are the three levels of DCS Code numbers in the local category. The Base level represents the basic functionality of the DCS system. The Position/Speed Check level is responsible for monitoring and controlling the position and speed of the system. The I/O Connect level deals with the input and output connections of the DCS system.

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6.

If updated in Non-DCS menus, what does not need to be applied to the DCS Parameter? Hint: Consider ALL possible setup situations
- A.
  
  Mastering
- B.
  
  Axis limits
- C.
  
  Tools Frames
- D.
  
  Loading of the SYSVARS.SV
Correct Answer
B. Axis limits

Explanation
If the settings are updated in Non-DCS menus, the changes made to the axis limits do not need to be applied to the DCS Parameter. This means that the axis limits can be adjusted without affecting the DCS Parameter, which may include other setup situations such as mastering, tools frames, or loading of the SYSVARS.SV.

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7.

The maximum number of Cartesian Position Check Zones?
- A.
  
  7
- B.
  
  16
- C.
  
  32
- D.
  
  100
Correct Answer
C. 32

Explanation
The maximum number of Cartesian Position Check Zones is 32. This means that in a Cartesian coordinate system, there can be up to 32 distinct zones where the position of an object can be checked. These zones are defined by dividing the coordinate system into smaller sections or regions. Each zone represents a specific area within the coordinate system, and by having a maximum of 32 zones, it allows for a more detailed and precise analysis of object positions within the system.

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8.

If creating a model for your tooling what is the maximum number of shape elements that can be used?
- A.
  
  10
- B.
  
  16
- C.
  
  Only limited by total model area
- D.
  
  Only limited by max processing time
Correct Answer
A. 10

Explanation
The correct answer is 10. This means that when creating a model for your tooling, you can use a maximum of 10 shape elements.

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9.

What is NOT a true statement regarding safety I/O?
- A.
  
  Can communicate to a Safety PLC
- B.
  
  Logical AND(s) & OR(s) can be used
- C.
  
  Outputs from the Safety I/O can be used as conditions for Position/ Speed Checks
- D.
  
  A maximum of 5 elements can be combined to result in a single Output per line
Correct Answer
D. A maximum of 5 elements can be combined to result in a single Output per line

Explanation
The statement "A maximum of 5 elements can be combined to result in a single Output per line" is not true. There is no limitation on the number of elements that can be combined to result in a single output per line in safety I/O.

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10.

A zone can guard against multiple USER MODELS. This is done with.....?
- A.
  
  The tool change function
- B.
  
  DCS will not allow this. It is considered Safe for 1 Model per Zone
- C.
  
  Use the multiple Model feature
- D.
  
  Set multiple Zones that are setup identical to each other, then apply a single Model per Zone
Correct Answer
A. The tool change function

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Current Version
Mar 21, 2023

Quiz Edited by
ProProfs Editorial Team
Mar 13, 2018

Quiz Created by
John Nitecki

Fanuc Dual Check Safety Test

Which of the Following is a true statement?

What is the correct way to recover from a DCS Joint Position Check alarm.

Which of the following allows you to enable DCS Cartesian Speed Check?

The DCS OPSFTY signals are hardwired to which unit on the R30iA Controller?

There are two levels of DCS Code numbers Master and Local. The local are...?

If updated in Non-DCS menus, what does not need to be applied to the DCS Parameter? Hint: Consider ALL possible setup situations

The maximum number of Cartesian Position Check Zones?

If creating a model for your tooling what is the maximum number of shape elements that can be used?

What is NOT a true statement regarding safety I/O?

A zone can guard against multiple USER MODELS. This is done with.....?