Allen-Bradley 1794-OV16 FLEX I/O Digital Sinking Output Module

Description

The Allen-Bradley 1794-OV16 is a 1794 FLEX Digital DC Output Module. It is fitted inside the terminal bus, making a connection with the field devices and the I/O bus.

Output Specifications

• Number of Outputs: 16, nonisolated, sinking
• On-state Voltage:
  • Minimum: 10V DC
  • Nominal: 24V DC
  • Maximum: 31.2V DC
• Output Current Rating: 8.0 A (16 outputs @ 0.5 A)
• Off-state Voltage: Maximum 31.2V DC
• On-state Current:
  • Minimum: 1 mA per channel
  • Maximum: 500 mA per channel
• Surge Current: 2 A for 50 ms, repeatable every 2 s
• Off-state Leakage: Maximum 0.5 mA
• On-state Voltage Drop: Maximum 0.2V DC
• Isolation Voltage: Tested @ 2121V DC for 1 second between user and system (no isolation between individual channels)
• Output Signal Delay:
  • Off-to-On: Maximum 0.5 ms
  • On-to-Off: Maximum 1.0 ms
• Flexbus Current: 80 mA
• Power Dissipation: Maximum 4.2 W @ 31.2V DC
• Thermal Dissipation: Maximum 14.3 BTU/hr @ 31.2V DC
• Indicators: 16 yellow status indicators (field-side indication, logic driven)
• Fusing:
  • 1794-OV16: External fusing recommended (e.g., SAN-O MQ4-800 800 mA fuses).

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General Specifications

• Recommended Terminal Base Unit: 1794-TB3, 1794-TB3K, 1794-TB3S, 1794-TB3SK
• Terminal Base Screw Torque: Determined by the installed terminal base
• Keyswitch Position: 2
• External DC Power Supply Voltage: Nominal 24V DC
• External DC Power Voltage Range: 10…31.2V DC (includes 5% AC ripple)
• External DC Power Supply Current:
  • 49 mA @ 24V DC (range: 21…65 mA) – 1794-OV16
• Wiring Category: 2 (Refer to Industrial Automation Wiring and Grounding Guidelines)
• Wire Size: Determined by the installed terminal base
• Dimensions (H x W x D): 94 x 94 x 69 mm (3.7 x 3.7 x 2.7 in.)
• Weight: 77 g (2.72 oz.)
• Enclosure Type Rating: None (open-style)

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Environmental Specifications

Attributes and Values

• Operating Temperature: -20…+55 °C (-4…+131 °F)
• Nonoperating Temperature: -40…+85 °C (-40…+185 °F)
• Relative Humidity: 5…95% noncondensing
• Vibration: 5 g @ 10…500 Hz (per IEC 60068-2-6)
• Shock:
  • Operating: 30 g (per IEC 60068-2-27)
  • Nonoperating: 50 g (per IEC 60068-2-27)
• Emissions: IEC 61000-6-4

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Contact Us

• Phone: +86-15915488782
• Email: uma@meloauto.com
• WhatsApp: +8615915488782
• Business Hours: 24/7 service
• Address: Unit 601, Powerlong International Center, No. 1599 Luling Road, Siming District, Xiamen City, Fujian, China

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