Allen Bradley 1794-OB16 Digital Output Module

Specifications

Number of Outputs：16, current, sourcing

Voltage Specifications

• On-state Voltage:
  • Minimum: 10V DC
  • Nominal: 24V DC
  • Maximum: 31.2V DC (refer to Figure 5)
• On-state Voltage Drop, Max: 0.5V DC

Current Specifications

• Output Current Rating: 8.0 A (16 outputs @ 0.5 A)
• On-state Current:
  • Minimum per channel: 1.0 mA
  • Maximum per channel: 500 mA
• Surge Current: 2 A for 50 ms, repeatable every 2 seconds
• Off-state Leakage Current, Max: 0.5 mA

Isolation Voltage

• Continuous: 50V, Basic Insulation Type
• Tested at: 850V DC for 1 s between user and system
• Individual Channels: No isolation

Output Signal Delay

• Off to On: 0.5 ms
• On to Off: 1.0 ms

Flexbus Current

• 80 mA @ 5V DC

Power Dissipation

• Maximum: 5.3 W @ 31.2V DC

Thermal Dissipation

• Maximum: 18.1 BTU/hr @ 31.2V DC

Fusing

• Module outputs are not fused. Fusing is recommended.
• If fusing is desired, you must provide external fusing.
• Recommended fuses: SAN-O MQ4-800mA fuses