FANUC Alarms, DCS & Safety I/Os

The foundational goodies for all things safety

The following are the common reasons for errors in handling tools, EXCEPT?

Power outage

What is the recommended step to clear an alarm in handling tools?

Correct problem, press RESET

What is the purpose of viewing the active alarms in the alarm log or history?

To identify cause of alarms

When can a fault or message be diagnosed from the active screen or history screen?

Always

What does the Dual Check Safety (DCS) Option in handling tools do?

Checks the speed and pos data of motors with ind CPUs

When does singularity occur in handling tools?

When axis 5 approaches 0 degrees

How can one recover from a DCS Position violation in handling tools?

Jog away from the limit

What is the significance of singularity in handling tools?

Causes the robot to stop working in cartesian

When does a Chain Failure Detection Error occur in handling tools?

When one chain is in E-Stop con and the other isn’t

What information does the Robot F-Number provide in handling tools?

Controller type and robot model

What can be viewed on the STATUS Version ID screen in handling tools?

Software features and options loaded on the controller

What is the purpose of displaying the Version ID Information in handling tools?

To identify the controller’s unique #

What does the alarm SRVO-065 BLAL mean?

Low batteries

What does the alarm SRVO-065 BZAL mean?

Dead Batteries

Where can you link and connect different safe IO signals at in the DCS Menu?

DCS Safe I/O Connect

What does NSI stand for?

Non-Safe Input

NSI safe IO signals are what kinds of signals?

Output

CSO stands for what type of safe IO signal?

CIP (Common Industrial Protocol) Safety Output

What slot is assigned for JPC signals?

8

What slot is assigned for CSC signals?

7

What slot are CPC signals assigned to?

6 (Pos slot)

What slot is assigned for NSI bits?

0

What rack is assigned for DCS?

36 (Rack pos)

What does SIR stand for?

Safe Internal Relay

Which safe IO signal would the emergency stop be assigned to?

SSO (pos)

What does SSO stand for?

Safe System Output

What does SSI stand for?

Safe System Input

All safe IO signals are expressed by?

3 characters and an index number

What signals are used in DCS?

Safe IO Signals

What is the link number to attach a user model to the robot EOAT?

99

How many shape elements can be used to create a user model?

10

What is a geometric shape, like a sphere, that is attached to the root flange or arm?

Shape Model

If a Joint Speed Check is set up as safe inside between 200m/sec and 1000m/sec, how fast can the robot operate?

200m/sec - 1000m/sec

If a polygon is not configured correctly, what error will occur?

It is not convex polygon

What are the geometric shapes that, when taken together, make up the shape model?

Shape Elements

Where can you view the active DCS zones and models that are currently applied to the robot?

4D DCS Graphics

What function checks shape models that are mounted on the robot tool or arm and shuts down power if the model violates a specified zone?

Cartesian Position Check

What is the default JPC/JSC scan time?

8msec

What definition below best describes a Stop Category 1 zone?

The robot comes to a "controlled stop", meaning the robot will stop at the zone but will leave servo power on.

Which option below is NOT a DCS function?

Joint Rotation Check

What type of memory is saved when you take an IMAGE backup?

FROM & SRAM

How fast can DCS detect a failure or issue?

1000ms

What year was DCS offered on 6 axis robotic arms from FANUC?

2008

Where can you find the active safety I/O signals (ON or OFF) in the DCS menu?

Safe I/O Status

What DCS menu is used to read and set safety inputs and outputs, Control safe outputs, and uses AND, OR, NOT logical operations?

Safe I/O Connect Menu

How many Cartesian Position Check zones can be configured and used?

32 (CPC)

What function monitors the speed of a tool center point?

Cartesian Speed Check

What DCS file would allow you to load in the Safe IO Connect and Safe IO signals parameters into the robot?

DCSIOC.SV

What is the area of the cell that we are typically guarding models from entering or leaving?

Zone

When configuring Digital Inputs to monitor CPC zones, what Rack would you use to assign the inputs to?

36 (DI)

When configuring Digital Inputs to monitor CPC zones, what slot would you use to assign the inputs to?

6 (Zone pos)