F30 01  2 Safety 
HI 800 145 E Rev. 2.00  Page 9 of 52 
2 Safety 
All safety information, notes and instructions specified in this document must be strictly 
observed. The product may only be used if all guidelines and safety instructions are adhered to. 
This product is operated with SELV or PELV. No imminent risk results from the product itself. 
The use in Ex-Zone is permitted if additional measures are taken. 
2.1  Intended Use 
HIMatrix components are designed for assembling safety-related controller systems. 
When using the components in the HIMatrix system, comply with the following general 
requirements. 
2.1.1  Environmental Requirements 
Requirement type  Range of values 
1)
 
Protection class  Protection class III in accordance with IEC/EN 61131-2 
Ambient temperature  0...+60 °C 
Storage temperature  -40...+85 °C 
Pollution  Pollution degree II in accordance with IEC/EN 61131-2 
Altitude  < 2000 m 
Housing Standard: IP20 
Supply voltage  24 VDC 
1)
  The values specified in the technical data apply and are decisive for devices with extended 
environmental requirements. 
Table 3:  Environmental Requirements 
Exposing the HIMatrix system to environmental conditions other than those specified in this 
manual can cause the HIMatrix system to malfunction. 
2.1.2  ESD Protective Measures 
Only personnel with knowledge of ESD protective measures may modify or extend the system 
or replace devices. 
 
NOTE
 
 
Device damage due to electrostatic discharge! 
  When performing the work, make sure that the workspace is free of static, and wear 
an ESD wrist strap. 
  If not used, ensure that the device is protected from electrostatic discharge, e.g., by 
storing it in its packaging.