Model Type:CompactBlock I/O Modules
Model Number:1791D-16B0
Manufacturer:Allen-Bradley
Output Expansion Module:Yes
Number of Channels:16
Input Channels:{“On-State Voltage”:”10 – 30 VDC”,”On-State Current”:”0.5 A”}
Voltage Rating:24 VDC
Current Rating:{“Module”:”4 A”,”Surge”:”1 A”}
Isolation:500 VAC
Enclosure Type:IP20, Open Type
Communication Interface:DeviceNet
Mounting Options:[“DIN Rail”,”Panel”]
Dimensions:Length: 1.9 IN, Width: 1.5 IN, Height: 4.4 IN
Temperature Rating:0 – 60 DEG C
Environmental Conditions:{“Non-Operating Temperature”:”-40 DEG C”,”Storage Temperature”:”0 – 70 DEG C”,”Operating Humidity”:”5% – 95% (non-condensing)”}
The Allen-Bradley 1791D-16B0 Compact Block IO Modules feature an advanced microprocessor-based design, enabling seamless integration with Allen-Bradley’s comprehensive automation solutions. This model boasts a compact form factor that optimizes space utilization on the control panel or DIN rail installation.
Each channel supports a wide range of input voltages, ensuring compatibility with diverse industrial equipment. The on-state current limit prevents overloading and protects the system from potential damage. The robust isolation rating guarantees reliable operation even in harsh environmental conditions.
The modules are equipped with a DeviceNet communication interface, facilitating smooth data exchange with other devices on the network. This connectivity ensures efficient operation within complex industrial automation systems, enhancing overall productivity.
Easy-to-install mounting options accommodate both DIN rail and panel installations, offering flexibility to meet different application requirements. The compact dimensions and open-type enclosure make these modules suitable for a wide range of industrial environments, including those with limited space constraints.
With a temperature rating from 0 to 60 degrees Celsius and a non-operating temperature range down to -40 degrees Celsius, the Allen-Bradley 1791D-16B0 modules are designed to withstand extreme conditions, ensuring reliable performance across various industrial settings.

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