Allen-Bradley 1794-IV16 Digital Input Module
Configured for discrete signal acquisition and system status monitoring in FLEX I/O platforms, the Allen-Bradley 1794-IV16 (1794-IV16 Digital Input Module) provides direct physical/electrical execution.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1794-IV16 |
| Brand | Allen-Bradley |
| Origin | USA |
| Weight | 0.20 lbs (0.09 kg) |
| Dimensions | Standard FLEX I/O module profile |
| Operating Temp | Standard Allen-Bradley industrial operating range |
| Power Consumption | Standard FLEX I/O backplane load |
| Module Type | Digital Input Module |
| Channels | 16 sourcing input channels |
| Nominal Input Voltage | 24 VDC |
| Input Current | 11 mA per channel |
| Signal Configuration | Non-isolated sourcing inputs |
| Status Display | Onboard LED channel status indicators |
Backplane Bus Communication Velocity and Deterministic Signal Acquisition
The Allen-Bradley 1794-IV16 incorporates 16 high-density, non-isolated 24 VDC sourcing input channels designed to interface with current-sinking field devices such as proximity switches, pushbuttons, and limit sensors. Operating across high-velocity backplane bus architectures, the module delivers fast, deterministic state changes to connected EtherNet/IP, ControlNet, or Remote I/O adapters. Onboard LED diagnostic indicators provide real-time status visual monitoring per channel, while firmware flash compatibility ensures seamless integration within dense FLEX I/O rack topologies.
Frequently Asked Questions
Q: What type of field input devices can be wired to the 1794-IV16 sourcing input module?
A: The 1794-IV16 is a sourcing input module, meaning it supplies 24 VDC current to field devices. It must be connected to current-sinking 24 VDC sensor outputs, mechanical switches, or dry contacts.
Q: What terminal bases can be used to mount and wire the 1794-IV16 module?
A: The module mounts onto standard FLEX I/O terminal base units (such as the 1794-TB3, 1794-TB3S, or 1794-TB32) which provide screw or spring-clamp wiring points for field signals.
Field Installation Guidelines
- Set the mechanical keying switch on the chosen FLEX I/O terminal base unit to position 2 before mounting the 1794-IV16 module.
- Align the module with the terminal base guide slots and press firmly until the locking latch securely engages the DIN rail assembly.
- Wire field input conductors to the designated terminal base points, ensuring 24 VDC field power polarity matches the sinking device configuration.
- Separate 24 VDC discrete input cabling from high-voltage AC lines and variable frequency drive cables in enclosure wire ducts to prevent signal noise.
Allen-Bradley 1794-IV16 Digital Input Module
Allen-Bradley 1794-IV16 Digital Input Module
Configured for discrete signal acquisition and system status monitoring in FLEX I/O platforms, the Allen-Bradley 1794-IV16 (1794-IV16 Digital Input Module) provides direct physical/electrical execution.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1794-IV16 |
| Brand | Allen-Bradley |
| Origin | USA |
| Weight | 0.20 lbs (0.09 kg) |
| Dimensions | Standard FLEX I/O module profile |
| Operating Temp | Standard Allen-Bradley industrial operating range |
| Power Consumption | Standard FLEX I/O backplane load |
| Module Type | Digital Input Module |
| Channels | 16 sourcing input channels |
| Nominal Input Voltage | 24 VDC |
| Input Current | 11 mA per channel |
| Signal Configuration | Non-isolated sourcing inputs |
| Status Display | Onboard LED channel status indicators |
Backplane Bus Communication Velocity and Deterministic Signal Acquisition
The Allen-Bradley 1794-IV16 incorporates 16 high-density, non-isolated 24 VDC sourcing input channels designed to interface with current-sinking field devices such as proximity switches, pushbuttons, and limit sensors. Operating across high-velocity backplane bus architectures, the module delivers fast, deterministic state changes to connected EtherNet/IP, ControlNet, or Remote I/O adapters. Onboard LED diagnostic indicators provide real-time status visual monitoring per channel, while firmware flash compatibility ensures seamless integration within dense FLEX I/O rack topologies.
Frequently Asked Questions
Q: What type of field input devices can be wired to the 1794-IV16 sourcing input module?
A: The 1794-IV16 is a sourcing input module, meaning it supplies 24 VDC current to field devices. It must be connected to current-sinking 24 VDC sensor outputs, mechanical switches, or dry contacts.
Q: What terminal bases can be used to mount and wire the 1794-IV16 module?
A: The module mounts onto standard FLEX I/O terminal base units (such as the 1794-TB3, 1794-TB3S, or 1794-TB32) which provide screw or spring-clamp wiring points for field signals.
Field Installation Guidelines
- Set the mechanical keying switch on the chosen FLEX I/O terminal base unit to position 2 before mounting the 1794-IV16 module.
- Align the module with the terminal base guide slots and press firmly until the locking latch securely engages the DIN rail assembly.
- Wire field input conductors to the designated terminal base points, ensuring 24 VDC field power polarity matches the sinking device configuration.
- Separate 24 VDC discrete input cabling from high-voltage AC lines and variable frequency drive cables in enclosure wire ducts to prevent signal noise.
