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- Allen Bradley
- 1794-IB16XOB16P
- ControlNet Flex I/O Adapter Module
- USA
- 94 × 94 × 69 mm
- 0.12kg
- Xiamen, China
- New & In Stock
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1794-IB16XOB16P FLEX I/O Combination Module – Detailed Technical Overview
1. Product Introduction
The 1794-IB16XOB16P is a FLEX I/O 32-point digital combination module designed for distributed industrial automation systems. It integrates 16-channel 24V DC sinking inputs and 16-channel 24V DC sourcing outputs within a single modular unit.
This design significantly reduces cabinet space requirements and wiring complexity by combining input and output functions in one module. It is widely used in PLC-based distributed control architectures where compact I/O density and flexible system expansion are required.
The module is part of a modular I/O platform that allows field wiring to be terminated on a terminal base while the module itself plugs into the system backplane, enabling fast replacement and maintenance.
It is typically used in industrial environments requiring stable signal processing, high channel density, and reliable operation under continuous duty conditions.
2. Product Features
- 16-channel DC digital input (sinking type)
- 16-channel DC digital output (sourcing type)
- Total 32-point combination I/O module
- 24V DC industrial control voltage
- Compact modular design
- LED status indicators for inputs and outputs
- DIN rail mounting system
- Hot-swappable capability
- Electronic output protection
- High noise immunity for industrial environments
- Flexible distributed I/O architecture
3. Technical Parameters
| Parameter | Specification |
|---|---|
| Model | 1794-IB16XOB16P |
| Product Type | Digital combination I/O module |
| Series | FLEX I/O 1794 Series |
| Input Channels | 16 DC sinking inputs |
| Output Channels | 16 DC sourcing outputs |
| System Points | 32 total points |
| Input Voltage Range | 10–31.2V DC |
| Output Voltage | 24V DC nominal |
| Input Current | 2–12 mA per channel |
| Output Current Capacity | Up to 0.5A per channel (typical) |
| Total Output Load | Module dependent (multi-amp range) |
| Power Supply | 24V DC system |
| Power Dissipation | ~7 W |
| Thermal Dissipation | ~23.9 BTU/hr |
| Isolation | Field-to-system electrical isolation |
| Protection Features | Electronic short-circuit protection |
| Indicator Lights | 32 LEDs (16 input + 16 output) |
| Mounting Type | DIN rail |
| Compatible Base | FLEX I/O terminal base (TB32 series) |
| Operating Temperature | 0°C to 55°C |
| Storage Temperature | -40°C to 85°C |
| Humidity Range | 5%–95% non-condensing |
| Vibration Resistance | 5g (10–500 Hz) |
| Shock Resistance | 30g |
| Dimensions | 94 × 94 × 69 mm |
| Weight | 0.12 kg |
4. Product Function Description
The 1794-IB16XOB16P operates as a mixed digital interface module in industrial automation systems.
On the input side, it receives 24V DC signals from field devices such as sensors, switches, and relays. Each input channel detects ON/OFF states and transmits them to the controller via the FLEX I/O backplane.
On the output side, the module controls external devices such as solenoid valves, indicator lamps, and small actuators by switching 24V DC signals through its sourcing outputs.
This combination architecture eliminates the need for separate input and output modules, reducing system size and simplifying wiring layouts.
The module continuously exchanges data with the PLC system, ensuring real-time control and monitoring of field devices.
5. Product Applications
The 1794-IB16XOB16P is used in a wide range of industrial automation environments requiring mixed I/O control.
Typical Applications
- Factory automation systems
- Machine control cabinets
- Conveyor systems
- Packaging machinery
- Automotive assembly lines
- Material handling systems
- Process control systems
- Pump and motor control panels
- HVAC automation systems
- Water treatment plants
Typical Field Devices
- Proximity sensors
- Push buttons
- Limit switches
- Relay contacts
- Solenoid valves
- Indicator lights
- Alarm devices
6. Product Advantages
6.1 High Integration Density
Combines 16 inputs and 16 outputs in one module, significantly reducing panel space usage.
6.2 Reduced Wiring Complexity
Fewer modules mean fewer terminal bases and simplified cabinet wiring.
6.3 Stable Industrial Performance
Designed for operation in electrically noisy environments with vibration and temperature fluctuations.
6.4 Electronic Output Protection
Built-in protection improves system reliability and reduces damage from overload conditions.
6.5 Fast Maintenance
Hot-swappable design allows replacement without shutting down the entire system.
6.6 Clear Diagnostics
LED indicators provide immediate visualization of I/O status for troubleshooting.
6.7 Flexible System Expansion
Fully compatible with FLEX I/O distributed architectures for scalable system design.
7. Brand Overview
This product belongs to a globally recognized industrial automation technology provider specializing in:
- PLC control systems
- Distributed I/O platforms
- Industrial communication networks
- Motion control systems
- Safety automation solutions
Its products are widely applied in automotive manufacturing, oil and gas, food processing, logistics, and heavy industry due to their reliability, modular design, and long lifecycle support.
8. Product Series Information
Series Name
FLEX I/O 1794 Series
Series Type
Distributed modular I/O system
Key Characteristics
- Modular I/O expansion architecture
- DIN rail mounting system
- Hot-swappable modules
- Wide range of digital and analog modules
- Combination I/O capability
- Reduced wiring complexity
- Industrial network integration
The 1794-IB16XOB16P is part of the high-density combination I/O module family within this series.
9. Recommended Related Models (Same Series or Similar)
| Model | Product Type | Function | Dimensions | Weight (kg) | Key Parameters |
|---|---|---|---|---|---|
| 1794-IB16XOB16P | Combo I/O module | 16DI + 16DO | 94 × 94 × 69 mm | 0.12 kg | 32-point combined I/O |
| 1794-IB10XOB6 | Combo I/O module | 10DI + 6DO | 94 × 94 × 69 mm | 0.085 kg | Compact combo module |
| 1794-IB16 | DC input module | 16-channel input | 94 × 94 × 69 mm | 0.11 kg | 24V DC sinking input |
| 1794-OB16 | DC output module | 16-channel output | 94 × 94 × 69 mm | 0.30 kg | Sourcing output |
| 1794-TB32 | Terminal base | 32-point base | 94 × 94 × 69 mm | 0.19 kg | Combo wiring base |
10. Recommended Popular Models from Same Brand
| Model | Product Type | Function | Dimensions | Weight (kg) | Key Parameters |
|---|---|---|---|---|---|
| 1756-L81E | PLC controller | ControlLogix CPU | 145 × 175 × 52 mm | 0.92 kg | High-performance processor |
| 1769-L33ER | Compact PLC | CompactLogix controller | 118 × 87 × 87 mm | 0.60 kg | Integrated Ethernet |
| 1734-AENTR | Ethernet adapter | POINT I/O communication | 75 × 75 × 55 mm | 0.18 kg | Distributed I/O network |
| 2711P-T10C4D8 | HMI panel | Operator interface | 271 × 212 × 60 mm | 1.80 kg | Touchscreen display |
| 20-COMM-E | Drive communication module | Ethernet interface | 140 × 95 × 30 mm | 0.22 kg | Industrial Ethernet |
11. Installation Notes
- Ensure correct TB32 terminal base compatibility
- Maintain proper grounding in control cabinet
- Separate signal wiring from power circuits
- Avoid mechanical stress on connectors
- Confirm 24V DC supply stability
- Secure DIN rail mounting firmly
12. Maintenance Recommendations
- Regularly check LED status indicators
- Inspect wiring terminals for looseness
- Monitor output load conditions
- Maintain clean, dry enclosure environment
- Replace module if abnormal operation occurs
13. Summary
The 1794-IB16XOB16P is a high-density 32-point digital combination I/O module designed for industrial automation systems requiring both input and output functions in a single compact unit. Its integrated architecture reduces wiring complexity, saves cabinet space, and improves system efficiency.
It is widely used in distributed control systems where reliability, modular flexibility, and maintenance efficiency are key requirements for long-term operation.