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- Allen Bradley
- 1794-IC16
- ControlNet Flex I/O Adapter Module
- USA
- 94 × 94 × 69 mm
- 0.11kg
- Xiamen, China
- New & In Stock
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1794-IC16 FLEX I/O 16-Point DC Input Module – Detailed Technical Overview
1. Product Introduction
The 1794-IC16 is a FLEX I/O 16-channel DC digital input module designed for distributed industrial automation systems. It is used to acquire discrete ON/OFF signals from field devices such as sensors, switches, and relay contacts, and transmit these signals to a PLC or control system through a FLEX I/O backplane.
This module is part of the FLEX I/O modular platform, which allows decentralized I/O placement close to field devices, reducing wiring distance and improving system flexibility.
The 1794-IC16 is typically used in DC control environments where medium-density input acquisition is required in compact control cabinets or distributed remote I/O nodes.
2. Product Features
- 16-channel DC digital inputs
- 24V DC sinking input configuration
- FLEX I/O distributed architecture compatibility
- Compact modular design
- LED status indicators per channel
- DIN rail mounting system
- Hot-swappable module capability
- Stable industrial signal acquisition
- Reduced wiring complexity
- Compatible with multiple FLEX I/O communication adapters
3. Technical Parameters
| Parameter | Specification |
|---|---|
| Model | 1794-IC16 |
| Product Type | DC digital input module |
| Series | FLEX I/O 1794 Series |
| Input Channels | 16 channels |
| Input Type | DC sinking |
| Input Voltage Range | 30–60V DC (nominal range varies by configuration) |
| ON-State Voltage | ~30–60V DC |
| OFF-State Voltage | ≤10V DC |
| Input Current | ~2–7 mA per channel |
| Input Impedance | ~11 kΩ |
| FlexBus Current | ~25 mA |
| Power Dissipation | ~6.4 W |
| Isolation | Basic field-to-system isolation |
| Indicator Lights | 16 LED channel indicators |
| Mounting Type | DIN rail |
| Terminal Base | FLEX I/O TB3 series compatible |
| 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 |
| IP Rating | IP20 |
| Dimensions | 94 × 94 × 69 mm |
| Weight | 0.11 kg |
4. Product Function Description
The 1794-IC16 functions as a DC digital signal acquisition module within a distributed control system.
Each of its 16 channels monitors field device status by detecting DC voltage presence. When a valid input signal is present, the module converts it into a digital value transmitted through the FLEX I/O backplane to the controller.
It does not perform control logic but acts as a reliable interface between field wiring and the automation system.
The module is designed for DC voltage environments and is typically used where industrial sensors or control signals operate in medium-voltage DC ranges.
5. Product Applications
The 1794-IC16 is widely used in industrial automation systems requiring medium-density DC input monitoring.
Typical Applications
- Industrial machine control systems
- Conveyor and material handling systems
- Packaging equipment
- Assembly line automation
- Process control systems
- Pump and motor control panels
- HVAC automation systems
- Water treatment systems
- Remote I/O stations
- OEM machinery control
Typical Field Devices
- Proximity sensors
- Limit switches
- Relay contacts
- Pressure switches
- Flow sensors
- Alarm contacts
6. Product Advantages
6.1 Medium Voltage DC Input Capability
Designed for DC input systems operating in higher voltage ranges (30–60V DC class).
6.2 Stable Industrial Operation
Provides reliable signal acquisition in electrically noisy environments.
6.3 Modular Flexibility
Compatible with FLEX I/O distributed architecture for scalable system design.
6.4 Reduced Wiring Complexity
Terminal base system simplifies field wiring and replacement.
6.5 Fast Maintenance
Hot-swappable design enables quick replacement without full system shutdown.
6.6 Clear Diagnostics
LED indicators provide immediate channel status visibility.
6.7 Compact Industrial Design
Optimized for cabinet space efficiency in distributed control systems.
7. Brand Overview
This product belongs to a globally established industrial automation technology provider specializing in:
- PLC systems
- Distributed I/O platforms
- Industrial communication networks
- Motion control systems
- Safety and automation solutions
Its products are widely used in automotive manufacturing, energy systems, process industries, logistics, and infrastructure automation due to long lifecycle support, modular design, and system reliability.
8. Product Series Information
Series Name
FLEX I/O 1794 Series
Series Type
Distributed modular I/O system
Key Characteristics
- Modular distributed architecture
- DIN rail installation
- Hot-swappable modules
- Wide range of I/O types (AC/DC/analog/specialty)
- Industrial communication compatibility
- Flexible system expansion
The 1794-IC16 belongs to the DC digital input module family within this platform.
9. Recommended Related Models (Same Series or Similar)
| Model | Product Type | Function | Dimensions | Weight (kg) | Key Parameters |
|---|---|---|---|---|---|
| 1794-IC16 | DC input module | 16-channel DC input | 94 × 94 × 69 mm | 0.11 kg | 30–60V DC input |
| 1794-IB16 | DC input module | 16-channel 24V DC input | 94 × 94 × 69 mm | 0.11 kg | Standard sinking input |
| 1794-IB8 | DC input module | 8-channel DC input | 94 × 94 × 69 mm | 0.09 kg | Compact input |
| 1794-IB32 | DC input module | 32-channel DC input | 94 × 94 × 69 mm | 2.0 kg | High-density input |
| 1794-OB16 | DC output module | 16-channel output | 94 × 94 × 69 mm | 0.30 kg | Sourcing output |
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 controller |
| 1769-L33ER | Compact PLC | CompactLogix system | 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 | Industrial touchscreen |
| 20-COMM-E | Drive communication module | Ethernet interface | 140 × 95 × 30 mm | 0.22 kg | Industrial communication |
11. Installation Notes
- Confirm correct TB3 terminal base compatibility
- Ensure proper grounding and shielding
- Separate signal wiring from power circuits
- Verify correct DC voltage range before wiring
- Maintain stable power supply conditions
- Secure DIN rail mounting properly
12. Maintenance Recommendations
- Regularly check LED status indicators
- Inspect wiring connections for looseness
- Monitor signal integrity under load
- Keep enclosure clean and dry
- Replace module if abnormal operation occurs
13. Summary
The 1794-IC16 is a 16-channel DC input module designed for medium-voltage DC signal acquisition in FLEX I/O distributed automation systems. It provides stable and reliable performance in industrial control applications where robust signal monitoring and flexible system architecture are required.
It is particularly suitable for DC control environments requiring medium input voltage compatibility and modular distributed I/O expansion.