• 48 Channels / 24 input & 24 output
• Input resistance 2K ohms

Block Diagram                  
PIN Assignment                  Circuitry

• No. of channels: 24 (8 signals x 3 groups)
  
• Type: Opto-isolated current-source (negative logic)
  
• Input resistance: 2K ohms
  
• Interrupts: Four inputs can generate input requests using four IRQs, IRQ 3-7 and 9, falling edge signal
  
  

• No. of channels: 24
  
• Type: Opto-isolated open collector current-sink (negative logic)
  
• Maximum output sink current: +35 VDC 200mA max. per channel
  
  

• Throughput rate: 1msec max.
  
• External power: +12-24VDC (±15%)
  
• I/O address: Any 4-byte boundary
  
• Power consumption: +5 VDC 750 mA max.
  
• Operating temperature: 0 to 50° C
  
• Relative Humidity: 20 to 90% (no condensation)
  
• Connector: 37-pin female D-type
  
• Dimensions: 13.1" x 4.2" (341mm x 107mm)

• VI-DAQ
  
• SUPPORT-PAC(PC)601
  
  

• DTP-3(PC)
  
• DTP-4(PC)
  
• EPD-37
  

• 48 opto-isolated channels
  
• 24 current-source inputs
  
• 24 open collector current-sink outputs
  
• Signal level: +12 to 24VDC