• 32 Channel Opto-isolated Digital Input Board
• Onboard DC12V PS
• PCI-bus

PIN Assignment & Etc

• Type: Opto-isolated current- source (negative logic), 16 channels share a positive common
  
• No. of channels: 32 (4 can be used as interrupt signal)
  
• Resistance: 3KΩ
  
• ON current: 3.4mA min.
  
• OFF current: 0.16mA max.
  
• Interrupts:
  - Combine four interrupt signals to one interrupt request signal as the INTA.
  - Either rising edge or falling edge of input signal can generate interrupt.
  
• Response time: 1ms max.
  
  

• I/O address: Any 32-byte boundary
  
• Isolated voltage: 500Vrms
  
• Boards in one system: 16 max. can be install in a same system.
  
• External power: 12~24VDC (±15%) (Note: 4mA/12V~8mA/24V per input channel)
  
• Internal power: 12VDC (±5%) 240mA
  
• Power consumption:
  - 5VDC 1200mA max. (using internal isolated power supply)
  - 5VDC 300mA max. (using external power supply)
  
• Operating condition: 0~50°C, 20~90% RH (not condensing)
  
• Connecting distance: 50m typ. (depending on wiring environment)
  
• Dimension: 6.9" x 4.2" x 0.7" (176.4mm x 107.0mm x 18.5mm)
  
• Weight: 150g

Accessories (option)
Relay terminal stand terminal unit: EPD-37 *1
Terminal unit for solderless terminal(M3) : DTP-3(PC)
Terminal unit for leads: DTP-4(PC)
Signal monitor accessories for digital I/O : CM-32(PC)E *1

 Cable (option)
PCB37P-* (1.5m, 3m, 5m)
PCB37PS-*P (0.5m, 1.5m, 3m, 5m)
PCA37P-* (1.5m, 3m, 5m)
PCA37PS-*P (0.5m, 1.5m, 3m, 5m)

• Opto-isolated input/output providing improved noise resistance
  
• Performs up to 32 (8 signals x 4 groups) current source type input
  
• 4 input signals can also generate interrupt requests
  
• Equips an on board isolated power supply (12VDC, 240mA) for driving photo-insulation circuits
  
• Also supports:
  - Digital filter for input signals
  - Output data monitor
  - Bit input/output function
  - Group input/output function