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1794-OB16D | Allen-Bradley 1794 Flex I/O Digital Output Mod... | Image

Rated 4.3 with 20 reviews

About | Product Specifications

1794-OB16D

Revisions: Ser A

Description: The Allen-Bradley 1794-OB16D Flex I/O Digital Output Module w/ Diagnostics has 16 Nonisolated Outputs, a 24V DC Output Voltage nom., and a 8.0A Output Current Rating. It also operates with a 0.5mA Off-state Leakage max. and a 0.5 ms Output Signal Delay.

Request a quote for 1794-OB16D

Warranty:	1 year DO Supply Warranty Included
Shipping:	Worldwide shipping via DHL, UPS, Fedex, and TNT
Repairs:	We offer repair service for the 1794-OB16D.
Exchange:	Exchange credit for your defective unit available.

To Speak to a sales representative for pricing & lead time:

Phone

1-800-730-0292

International

919-205-4392

Email

sales@dosupply.com

About 1794-OB16D

The Allen-Bradley 1794-OB16D is a 1794 FLEX Digital DC Output Module. It is a Diagnostic (D) module that detects, indicates, and reports open and shorted input or output field devices or wiring. It is fitted inside the terminal bus making a connection with the field devices and the I/O bus. Modules can be inserted or removed under power since the I/O module does not have any direct wiring. It in turn saves time and removes system restarting inefficiency.
The 1794-OB16D module has 16 current sourcing outputs. It has a 24V DC nominal On-State output voltage, a 10 – 31.2V DC On-State output voltage range and 500mA per channel with 8A per module maximum On-State output current. It has a maximum output delay time of 0.1ms from On-to-Off and vice versa. It has a maximum power dissipation of 4.8W at 31.2V DC. Terminal Base units compatible with it are the 1794-TB3, 1794-TB3S and the 1794-TBKD. It has an external power supply of 10 - 31.2V DC voltage with 5% AC ripple and 56 - 78mA current. It is installed using a DIN rail by simply snapping it onto the DIN rail. It has various communication options like ControlNet, DeviceNet, EtherNet/IP, and Universal Remote I/O.
The 1794-OB16D module has 16 yellow LED status indicators for each channel indicating the corresponding input device and output signal. It also has XT versions of standard modules for operating in extreme environments, reducing panel and maintenance costs. It has a 0 - 55 °C (32 - 131 °F) operating temperature and 5 - 95% noncondensing relative humidity.

Technical specifications:

Part Number:	1794-OB16D
Product Type:	Flex I/O Digital Output Module w/ Diagnostics
Outputs:	16 Nonisolated
Output Voltage nom.:	24V DC
Output Current Rating:	8.0A
On-state Current max.:	500mA per Channel

Off-state Leakage max.:	0.5mA
Output Signal Delay:	0.5 ms
Isolation Voltage:	50V
Flexbus Current:	60mA @ 5V DC
Power Dissipation:	4.8W @ 31.2V DC max.
Thermal Dissipation:	16.4 BTU/hr. @ 31.2V DC max.

Please refer to the manual for more information about the 1794-OB16D such as the wiring diagrams, data sheets, firmware information and migration or obsolescence details.