F30 03  2 Safety 
HI 800 473 E Rev. 1.00  Page 9 of 46 
2.2 Residual Risk 
No imminent danger results from a HIMatrix system itself. 
Residual risk may result from: 
  Faults in the engineering 
  Faults in the user program 
  Faults in 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 site adopts the safe state.  
In case of emergency, no action that may prevent the HIMatrix systems from operating 
safely is permitted.