2 Safety  F30 01 
Page 10 of 52  HI 800 145 E Rev. 2.00 
2.2  Residual Risk 
No imminent risk results from a HIMatrix system itself. 
Residual risk may result from: 
  Faults related to engineering 
  Faults related to the user program 
  Faults related to the wiring 
2.3  Safety Precautions 
Observe all local safety requirements and use the protective equipment required on site. 
2.4  Emergency Information 
A HIMatrix system is a part of the safety equipment of a site. If a device or a module fails, the 
system enters the safe state. 
In case of emergency, no action that may prevent the HIMatrix systems from operating safely is 
permitted.