3 Installation 
 
 
3.1  Installation site and climatic conditions 
 
- The installation site should be free from vibrations, dust and corrosive media 
- The controller should be installed away from sources of electromagnetic fields, such  
  as variable speed drives or high-voltage ignition transformers 
 
Relative humidity: 95% (noncondensing)  
Ambient temperature: -20...50 °C  
Storage temperature: -40...70 °C 
 
3.2 Dimensions 
 
7866m01/0112
92
 
Figure 2: Dimensions of RWF50... 
 
Key 
(1)  USB interface setup 
(2) Panel cutout