The DB-16P is a 16 channel isolated digital input daughter board forA-82X board or any 812pg,711 726 , 720 series board, and PCI-Bus Multi-function board. 
The optically isolated inputs of the DB-16P consists of a bi-directional OPTO-coupler with a resistor for current sensing. You can use the DB-16P to sense DC signal from TTL levels up to 24V. You can also use DB-16P to sense a wide range of AC signals. You can use the board to isolated the computer from large common-mode voltages, ground loops and voltage spikes that often occur in industrial environments. 

  16 optically isolated digital input channels
  Connects directly to A-82X board or any 812pg,711 series board or 720 ,726 series board and PCI Bus Multi-function Board
  AC/DC signal Input 
  AC signal input with filter 
  Input buffer with voltage compactors 

Applications

  Isolated digital input sensing 
  Energy management 
  Test Automation 
  Process Control 

Ordering Information 

DB-16P : 16-channel Isolated Board 

Include
CA-2010 : 20-pin Flat Cable 1m

Option
CA-2020 : 20-pin Dlat Cable 2m

Specifications

I/O connector Electrical Specifications
    Configuration :
         16 optically isolated digital input channels 
     Compatibility : TTL compatible 

Digital Input
 Number of channels : 
          16,each with it's own ground 
           reference isolated from other channels 
 Maximum input voltage:24 VDC or 24 VAC 
 Digital Logic level :
     Input Low voltage : 0V(min)  ~  +/-1V (Max)
     Input High voltage: +-2.8V(Vrms) ~ +/- 24V(Max)
 Input impedance: 1.2k 
    Source Current 
        5V inputs   : 4 ma/channel minimum 
        24V inputs  : 20 ma/channel minimum 
    Response Time :20?s without filter / 2.2ms with filter 

 Power Supplies +5V@224mA/ maximum 
 Dimension :205mm x 114 mm 
 Operating Temperature : 0 -60?C 
 Storage Temperature :-20-70?C 
 Humility : 5% to 90 %  noncondensing 
 Power Consumption : 12V /0.53V ; 5V / 0.2A