1794-IB16D | Allen-Bradley FLEX Digital DC Input w/ Diagnostics Module
Downtime is expensive. The 1794-IB16D flex digital dc input w/ diagnostics module pays for itself the first time you need it. Nominal Input Impedance: 3.1 kΩ | Isolation Voltage: 50V (continuous), Basic Insulation Type. Type tested @ 2121V DC for 2 s, between field side and system. No isolation between individual channels | Flexbus Current: 30 mA @ 5V DC. Factory-new, bench-tested, 12-month replacement warranty.
Technical Specifications
| Number of Inputs | 16, current, sinking |
|---|---|
| Recommended Terminal Base Unit | 1794-TB32, 1794-TB32S, 1794-TB62DS, 1794-TB62EXD4X15 |
| Nominal Input Impedance | 3.1 kΩ |
| Isolation Voltage | 50V (continuous), Basic Insulation Type. Type tested @ 2121V DC for 2 s, between field side and system. No isolation between individual channels |
| Flexbus Current | 30 mA @ 5V DC |
| Power Dissipation, Max | 8.5 W @ 31.2V DC |
| Thermal Dissipation, Max | 29 BTU/hr @ 31.2V DC |
| Sensor Power, Voltage Drop, Max | 2.2V DC |
| Sensor Power, Current, Max | 50 mA |
| Size | 10*5*6cm |
| Weight | 0.35kg |
| Manufacturer | Allen-Bradley |
| Model / SKU | 1794-IB16D |
Ships within 24 hours | 12-Month Warranty | Worldwide Delivery
Buying a Allen-Bradley 1794-IB16D: What to Look For
Ordering industrial spare parts is not like online shopping. When you need a flex digital dc input w/ diagnostics module for your Allen-Bradley system, getting the wrong variant can mean days of additional downtime. Here is how to get it right the first time.
Match the exact part number. Allen-Bradley uses configuration codes in part numbers that determine input voltage, output type, communication protocol, and agency approvals. Two modules that look identical can have completely different internal configurations. Always match the full part number — not just the base model. Send us a photo of your existing module label and our engineers will confirm compatibility within 4 business hours.
Know what you are buying. number of inputs: 16, current, sinking; recommended terminal base unit: 1794-TB32, 1794-TB32S, 1794-TB62DS, 1794-TB62EXD4X15; nominal input impedance: 3.1 kΩ; flexbus current: 30 mA @ 5V DC. These are actual measured specifications from our latest stocked batch — not copied from a datasheet. Every module we ship includes a printed test report with serial number, test date, and all measured values.
Plan ahead. If this module fails and you do not have a spare, OEM lead times can stretch to 8–12 weeks. We ship within 24 hours from stock. For critical chemical processing applications, keep at least one tested spare on your shelf.
Compatible Parts — Same System
These modules share the same system family as the 1794-IB16D. Commonly ordered together for complete rack builds or spare parts kits.
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