ProductPRODUCT
Featured products
Contact Us
- Allen Bradley
- 1794-IM16
- ControlNet Flex I/O Adapter Module
- USA
- 94 × 94 × 69 mm
- 0.2kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
- 1 Year
- 1-3 Working Days
- DHL, UPS, TNT, FedEx and EMS.
- 24-Hour Service
- COO
- 6
Our advantage
Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
| Company Information | |||
| [email protected] | |||
| Mobile | +8615980777398 | ||
| +8615980777398 | |||
| 15980777398 |
1794-IM16 FLEX I/O 16-Point AC Digital Input Module – Detailed Technical Overview
1. Product Introduction
The 1794-IM16 is a FLEX I/O 16-point AC digital input module designed for industrial automation systems that require reliable acquisition of AC on/off signals from field devices.
It is used to monitor 220–240V AC digital signals from switches, relays, contactors, and other AC-powered control devices, converting them into digital data for PLC systems.
This module belongs to the FLEX I/O 1794 platform, which supports distributed I/O architectures, allowing signal acquisition close to the field to reduce wiring complexity and improve system reliability.
It is commonly used in medium-voltage industrial control systems where AC signal standardization is required.
2. Product Features
- 16-channel AC digital input module
- Supports 220–240V AC input signals
- Non-isolated input structure
- LED status indicator per channel
- DIN rail mounting design
- FLEX I/O distributed architecture compatibility
- High-density 16-point input design
- Industrial-grade rugged construction
- Terminal base modular connection system
- Stable performance in industrial AC environments
3. Technical Parameters
| Parameter | Specification |
|---|---|
| Model | 1794-IM16 |
| Product Type | AC digital input module |
| Series | FLEX I/O 1794 Series |
| Input Channels | 16 channels |
| Input Type | AC digital input |
| Input Voltage Range | 220–240V AC (nominal 220V AC) |
| On-state Voltage | ~74V AC minimum |
| Off-state Voltage | ≤20V AC |
| Input Current | ~5–15 mA per channel |
| Input Frequency | 47–63 Hz (typical AC line) |
| Isolation Type | Non-isolated inputs |
| Channel Type | Non-programmable fixed input points |
| FlexBus Current | ~20–30 mA |
| Power Dissipation | ~6.4 W max |
| Thermal Dissipation | ~21.8 BTU/hr |
| Power Supply | Backplane supplied via FLEX I/O system |
| Communication Method | Block Transfer (BTR/BTW) |
| Status Indicators | 16 channel LED indicators |
| Mounting Type | DIN rail |
| Terminal Base | 1794-TB2 / TB3 / TB3S 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 | 0.20 kg |
4. Product Function Description
The 1794-IM16 is designed to collect AC voltage-based digital signals from industrial field devices.
Each of the 16 input channels detects whether an AC voltage signal is present and converts it into a digital ON/OFF status for PLC processing.
It is commonly used in systems where AC control circuits are standard, such as motor control panels, relay-based systems, and industrial power distribution monitoring.
The module simplifies wiring by centralizing multiple AC input points into a single distributed I/O node.
5. Product Applications
The 1794-IM16 is widely used in industrial automation systems requiring AC signal monitoring.
Typical Applications
- Motor control centers (MCC)
- Industrial relay monitoring systems
- AC power distribution monitoring
- Pump control systems
- Conveyor control systems
- HVAC industrial control panels
- Factory automation systems
- Power plant auxiliary systems
- Water treatment control panels
- Industrial safety interlock systems
Typical Field Devices
- AC contactors
- Relay contacts
- Limit switches (AC signal circuits)
- Alarm signal devices
- AC control outputs from relays
- Panel-mounted switches
6. Product Advantages
6.1 High-Density Input Design
16 channels in a single module reduce cabinet space and wiring complexity.
6.2 AC Signal Compatibility
Directly supports 220–240V AC industrial control signals.
6.3 Stable Industrial Performance
Designed for continuous operation in electrical control environments.
6.4 Clear Channel Diagnostics
LED indicators allow quick field troubleshooting.
6.5 Modular FLEX I/O Integration
Easily integrates into distributed control architectures.
6.6 Simple Wiring Architecture
Terminal base system simplifies installation and maintenance.
6.7 Cost-Effective Input Solution
Ideal for large-scale AC monitoring applications.
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
- Process automation solutions
- Factory automation systems
Its solutions are widely used in manufacturing, energy, infrastructure, water treatment, and heavy industry due to high reliability and long lifecycle support.
8. Product Series Information
Series Name
FLEX I/O 1794 Series
Series Type
Distributed AC digital input system
Key Characteristics
- Modular distributed architecture
- High-density digital input capability
- DIN rail mounting system
- Terminal base wiring system
- Industrial AC signal compatibility
- Scalable I/O expansion design
The 1794-IM16 is a standard high-density AC input module within the FLEX I/O platform.
9. Recommended Related Models (Same Series or Similar)
| Model | Product Type | Function | Dimensions | Weight (kg) | Key Parameters |
|---|---|---|---|---|---|
| 1794-IM16 | AC digital input | 16-point AC input | 94 × 94 × 69 mm | 0.20 kg | 220–240V AC |
| 1794-IB16 | DC digital input | 16-point 24V DC | 94 × 94 × 69 mm | 0.11 kg | Sink input |
| 1794-OB16 | DC digital output | 16-point output | 94 × 94 × 69 mm | 0.10 kg | Switching output |
| 1794-IE8 | Analog input | 8-channel AI | 94 × 94 × 69 mm | 0.11 kg | Process signals |
| 1794-IE12 | Analog input | 12-channel AI | 94 × 94 × 69 mm | 0.12 kg | High density |
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 |
| 1769-L33ER | Compact PLC | CompactLogix system | 118 × 87 × 87 mm | 0.60 kg | Ethernet integrated |
| 1734-AENTR | Ethernet adapter | POINT I/O system | 75 × 75 × 55 mm | 0.18 kg | Distributed I/O |
| 2711P-T10C4D8 | HMI panel | Operator interface | 271 × 212 × 60 mm | 1.80 kg | Touchscreen HMI |
| 20-COMM-E | Drive communication module | Ethernet interface | 140 × 95 × 30 mm | 0.22 kg | Industrial networking |
11. Installation Notes
- Use compatible FLEX I/O terminal base (TB3/TB3S)
- Ensure proper AC wiring insulation and protection
- Separate AC signal wiring from low-voltage control cables
- Maintain stable system grounding
- Verify correct voltage range before commissioning
- Install in ventilated industrial control cabinet
12. Maintenance Recommendations
- Periodically check AC input wiring condition
- Inspect terminal tightness and oxidation
- Monitor LED status indicators
- Verify input signal stability under load
- Replace module if channel failure occurs
13. Summary
The 1794-IM16 is a high-density AC digital input module designed for industrial automation systems requiring reliable 220–240V AC signal monitoring. With 16 input channels, robust industrial design, and seamless integration into FLEX I/O architectures, it is widely used in motor control, power distribution, and large-scale industrial monitoring applications.