All rights reserved  5   Log Analyzer Manual (EN) V1.1 
2. UR Log Viewer
2.1 Intro 
The UR Log Viewer is a software intended for reading and viewing the Support File from the Universal 
Robot’s  cobots,  which  are  generated  automatically  inside  each  robot,  and  contain  the  log  files, 
programs  and  flight  reports.  The  software  is  a  support  tool  for  the  user  of  the  robot  to  do 
troubleshooting in case needed. It is a tool for understanding the robot behavior and have data analysis, 
as well to do improvements on your application and programming. 
2.2 Applicable to 
UR3, UR3e, UR5, UR5e, UR10, UR10e and UR16e 
2.3 Requirements 
To install and execute the UR Log Viewer you need the following requisites: 
• OS Windows 7, 8, 8.1 or 10 – current version doesn’t work on Linux or Mac.
• .Net 4.8 minimum installed
• User access defined to be able to install and execute the software
• Works with Polyscope SW versions:
o CB3: 3.4 and higher
o E-series: 5.0 and higher, 6.0 and higher
NOTE: For CB1 or CB2, please use the Support Log Reader (SLR) found on UR’s support site. 
2.4 Installation 
2.4.1 Download UR Log Viewer 
First step is to download the UR Log Viewer’s software from Universal Robot’s website: www.universal-
robots.com/download . Choose robot version: CB-Series or e-Series -> Software -> UR Log Viewer 
2.4.2 Steps to Install 
To install in your computer, you first need to unzip the file in your computer, secondly double click on 
the UR Log Viewer Setup file in the folder, run as administrator if needed, then follow the instructions 
shown on your computer screen: