The 1794-OB16 is a Flex I/O discrete output module from Allen-Bradley designed for use in industrial automation systems. This module features 16 sourcing 24VDC outputs, making it suitable for controlling various devices like relays, solenoids, and other field devices. The module is compatible with several terminal base units such as 1794-TB2, 1794-TB3, and others, offering flexibility in installation. It can be used in a Flex I/O rack, as well as a local I/O adapter for FlexLogix Controllers. With easy DIN rail mounting, this module offers robust performance in industrial environments.

Technical Specifications

• Manufacturer: Rockwell Automation
• Part Number: 1794-OB16
• Product Type: Digital DC Output Module
• Number of Outputs: 16, sourcing
• Output Voltage Range: 10VDC to 31.2VDC, Nominal Voltage: 24VDC
• On-State Voltage Drop: Maximum 0.5VDC per channel
• Output Current Rating: 8.0A total (500mA per channel max)
• On-State Current Max.: 500mA per channel
• Off-State Leakage Current: Maximum 0.5mA
• Surge Current: 2A for 50 ms (repeatable every 2 seconds)
• Isolation Voltage: 50V continuous
• Thermal Dissipation: 18.1 BTU/hr. at maximum voltage (31.2VDC)
• Power Dissipation: 5.3W at 31.2VDC max.
• FlexBus Current: 80mA at 5VDC
• Operating Temperature Range: 0 to 55°C (32 to 131°F)
• Storage Temperature: -40 to 85°C (-40 to 185°F)
• Vibration Resistance: 5g @ 10 to 500 Hz
• Shock Resistance: 30g
• Mounting Style: DIN Rail
• Enclosure: Open-type, IP20
• Terminal Base Compatibility: 1794-TB2, 1794-TB3, 1794-TB3S, 1794-TB3K, 1794-TB3SK
• Field-Side Indicators: 16 yellow status LEDs
• Keyswitch Position: 2
• Dimensions: 94 x 94 x 69 mm (3.7 x 3.7 x 2.7 in.)
• Weight: 0.20 lbs