![2581](https://www.napa.fr/en/wp-content/uploads/2012/06/2581_large.jpg)
2581
The 2581 16-point discrete input module accepts sixteen discrete isolated 12-56 VDC inputs to the CTI 2500 Series® or Simatic® 505® I/O base.
The 2581 16-point discrete input module accepts sixteen discrete isolated 12-56 VDC inputs to the CTI 2500 Series® or Simatic® 505® I/O base.