Electrical interfaces

Technical Questions
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(This post is a Wiki, experienced developers can modify the content)

This post describes the electrical interfaces of a Universal Robot, UR3, UR5 or UR10.
There are electrical interfaces (analog and digital) in the controlbox and at an M8 connector at the tool.

Control box

  • 16 digital inputs (0/24V DC)
  • 16 digital outputs (0/24V DC)
  • 2 analog inputs (0-10V DC or 4-20 mA, 12 bit, differential)
  • 2 analog outputs (0-10V DC or 4-20 mA, 12 bit, differential)

The internal 24V PSU can supply a maximum current of 2A total. An external 24V PSU can optionally be used to increase power.

controlbox electrical.jpg1366×560 283 KB

Tool connector

M8 connector.
Suited for: Lumberg RKMV 8-354

  • 2 digital inputs
  • 2 digital outputs
  • 2 analog inputs (0-10V DC or 4-20 mA, non-differential)

Tool digital signals and power supply can be set to either 12V or 24V mode collectively.
Max. current drain is 600 mA.

tool electrical.jpg940×679 84.5 KB

Any digital input can be configured in PolyScope software or via the URScript interface, to have a functionality to be an external Play, Pause, Stop or Freedrive button.