Technical specifications 
  8.4 Technical data 
SIMATIC IPC277G 
Operating Instructions, 08/2021, A5E50059956-AA 
87 
•  4 × USB 3.1 (900mA) 
On the motherboard: 
•  2 × USB 2.0 vertical (500 mA) 
You can find additional information in the section "Power demand of the 
Connection of a DP monitor 
1
  In BIOS Setup, you can configure support for RS232/RS422/RS485 for COM1 and COM2 ports.  
8.4.2  Ambient conditions 
Climatic ambient conditions 
For permitted mounting positions, see section Preparing for installation (Page 19). 
 
Temperature, tested in accordance with IEC 60068-2-1, IEC 60068-2-2 and IEC 60068-2-14 
7“, 10“  At an ambient temperature > 40 °C, the device must be operated in an operating area in accordance 
When installed vertically in horizontal format 
•  without M.2 Module: 0 °C to +50 °C 
•  with M.2 Module load max. 5W: 0 °C to +45 °C 
When installed inclined in horizontal format,  
Vertical inclination maximum ±45 °  
•  without M.2 Module: 0 °C to +50 °C 
•  with M.2 Module load max. 5W: 0 °C to +45 °C 
When installed upright in vertical format,  
(Power supply is located at the top) 
•  without M.2 Module: 0 °C to +50 °C 
•  with M.2 Module load max. 5W: 0 °C to +45 °C 
At an ambient temperature > 40 °C, the device must be operated in an operating area in accordance 
with RAL. 
When installed vertically in horizontal format 
•  0 °C to +50 °C 
When installed inclined in horizontal format,  
Vertical inclination maximum ±45 °  
•  0 °C to +45 °C 
When installed upright in vertical format,  
(Power supply is located at the top) 
•  0 °C to +45 °C 
At an ambient temperature > 40 °C, the device must be operated in an operating area in accordance 
with RAL. 
When installed vertically in horizontal format 
•  0 °C to +45 °C 
When installed inclined in horizontal format,  
Vertical inclination maximum ±45 °  
•  0 °C to +40 °C 
When installed upright in vertical format,  
(Power supply is located at the top) 
•  0 °C to +40 °C 
Temperature during storage/transport 
Gradient 
•  Operation: Max. 10 °C/h 
•  Storage: 20 °C/h, no condensation 
Relative humidity, tested in accordance with IEC 60068-2-78, IEC 60068-2-30