Properties and technical specifications of CPU 410 SMART 
  15.2 Technical specifications of the CPU 410 SMART; (6ES7 410-5HN08-0AB0) 
CPU 410-5H Process Automation/CPU 410 SMART 
System Manual, 10/2013, A5E32631667-AA 
207 
Number of usable FMs and CPs (recommendation) 
Hardware clock (real-time clock) 
With battery backup, can be synchronized 
Deviation per day (with battery backup), max. 
Deviation per day (without battery backup), max. 
Time difference in the system with synchronization via 
Number of RS 485 interfaces 
Number of other interfaces 
3; 2x Synchronization, 1x Service 
Number of PROFINET interfaces 
  RS 485/PROFIBUS 
Power supply at interface (15 to 30 V DC), max.
  150 mA 
Number of connection resources
  32