Input current:

• Current consumption (rated value): 400 mA; CPU only
• Current consumption, max.: 1 200 mA; CPU with all expansion modules
• Inrush current, max.: 12 A; at 28.8 V
• I²t: 0.8 A²·s
  

Output current:

• For backplane bus (5 V DC), max.: 1000 mA; Max. 5 V DC for SM and CM
  

Encoder supply:

• 24 V encoder supply
• 24 V: L+ minus 4 V DC min.
  

Power loss:

• Power loss, typ.: 9 W
  

Work memory:

• Integrated: 100 kbyte
  

Load memory:

• Integrated: 2 Mbyte
• Plug-in (SIMATIC Memory Card), max.: with SIMATIC memory card
  

Backup:

• Present: Yes
• Maintenance-free: Yes
• Without battery: Yes
  

Dimensions:

• Width: 90 mm
• Height: 100 mm
• Depth: 75 mm
  

Weights:

• Weight, approx.: 385 g