Safety Function Manual for Collaborative Robot
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  • Safety Function Manual for Collaborative Robot
  • About this manual
    • Copyright
    • Notation rules
    • Safety precautions
  • 1. Safety functions of the collaborative robot
    • 1.1 Description of terms
    • 1.2 Collaborative operation mode
      • 1.2.1 Safety-rated monitored stop
      • 1.2.2 Hand guiding
      • 1.2.3 Speed and separation monitoring
      • 1.2.4 Power and force limiting
    • 1.3 Safety functions
      • 1.3.1 Robot limit functions
      • 1.3.2 Joint limit functions
    • 1.4 Matters to be checked upon replacing safety devices
    • 1.5 Matters to be checked before using the safety functions
      • 1.5.1 Encoder offset
      • 1.5.2 Checking the torque sensor
        • 1.5.2.1 Torque sensor offset
      • 1.5.3 Setting of tool data
      • 1.5.4 Password setting
    • 1.6 Robot safety conditions
      • 1.6.1 Robot limiting parameters
      • 1.6.2 Joint limiting parameters
    • 1.7 Safety layout
      • 1.7.1 Safety space setting
        • 1.7.1.1 Setting information on safety space parameters
      • 1.7.2 Safety tool modeling
      • 1.7.3 Safety robot modeling
      • 1.7.4WorkCell 3D
    • 1.8 Safety I/O signals
    • 1.9Safety Stop Function
    • 1.10 Safety condition monitoring
      • 1.10.1 Robot limiting parameter monitoring
      • 1.10.2Joint limiting function monitoring
      • 1.10.3 SCM board status monitoring
      • 1.10.4 Safety I/O status monitoring
      • 1.10.5 Recovery mode
        • 1.10.5.1 Recovery in case of robot position violations
        • 1.10.5.2 Recovery in case of robot speed violations
        • 1.10.5.3 Recovery in case of robot force violations
        • 1.10.5.4 Recovery in cases of safe operating stop (SOS) violations
    • 1.11 Collaborative robot collision detection mode
  • 2. Direct teaching
    • 2.1 Direct teaching switch assignment
    • 2.2 Driving the robot by direct teaching
    • 2.3 Direct teaching mode setting
    • 2.4 Constraint motion
  • 3. I/O setting
    • 3.1 I/O map
    • 3.2 Tool I/O
      • 3.2.1 Default specifications of the tool I/O
      • 3.2.2 Tool I/O setting
    • 3.3 Analog I/O
      • 3.3.1 Default specifications of the analog I/O
      • 3.3.2 Analog I/O setting
  • 4. Error messages
    • E7001~E7066
    • E7101~E7120
    • E7170~E7213
    • E7250~E7348
    • E7403~E7711
    • E7731~E7905
  • Attachment
    • The Rules on the Criteria for Occupational Safety and Health, and the Public Notice of Safety Inspec
  • Warranty
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  1. 1. Safety functions of the collaborative robot

1.3 Safety functions

The purpose of the safety functions of the collaborative robot is to reduce the impact on the operator in the case of a collision between the operator and the robot during collaborative operation.

The safety functions include the “axis limiting function,” which restricts the motion of the robot’s joints, and the “robot limiting function,” which restricts the robot’s motion in the safety space. These functions can be configured in the setting menu and are used as measures to respond to the risks selected in the risk assessment performed by the operator.

In executing the safety functions, the following items should be configured:

  • Safety space: Set the working space and the protected space to restrict the robot’s motion.

  • Tool modeling: This is used to check whether the robot’s tool position intrudes or exceeds specific spaces.

  • Robot modeling: This is used to check whether the robot’s elbow position intrudes or exceeds specific spaces.

  • Safety limiting conditions: Set monitoring criteria value for the safety functions.

One safety condition can be configured for each safety space; if not configured, Level1 (default setting mode) will be set as the default condition. You can add up to 5 limiting conditions, 16 tools, and 12 safety spaces. You can set, modify, or enable the parameters relating to the safety function only when the motors are turned off in the manual mode.

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Last updated 3 years ago

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