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- Allen-Bradley
- 1738-IB16DM12
- ArmorPoint Numeric Input Module
- USA
- 120 x 42 x 72 mm
- 0.29 kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
- 1 Year
- 1-3 Working Days
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We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
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Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
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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.
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Product Overview
The Allen-Bradley 1738-IB16DM12 ArmorPoint Numeric Input Module is a distributed industrial input module designed for EtherNet/IP-based automation systems. It provides 16-channel digital input capability and is built for machine-mounted applications where reliable signal acquisition and reduced wiring complexity are required.
This module is part of the ArmorPoint distributed I/O family and is engineered for harsh industrial environments, supporting sealed operation and direct installation on machines without the need for a traditional control cabinet. It is widely used in factory automation systems requiring compact, modular I/O expansion.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Allen-Bradley |
| Model | 1738-IB16DM12 |
| Product Type | ArmorPoint Digital Input Module |
| Function | 16-channel digital input |
| Input Type | 24 V DC sinking inputs |
| Communication | EtherNet/IP via adapter system |
| Connector Type | M12 connectors |
| Diagnostic Support | Yes (channel-level diagnostics) |
| Mounting Type | On-machine / distributed mounting |
| Protection Rating | IP65 / IP67 / IP69K (system dependent) |
| Operating Temperature | -20°C to +60°C |
| Dimensions | 120 × 42 × 72 mm |
| Weight | 0.29 kg |
| Housing | Sealed industrial enclosure |
| Application Environment | Industrial automation systems |
Function and Working Principle
The 1738-IB16DM12 functions as a distributed digital input acquisition module that collects signals from field devices such as sensors, switches, and machine status contacts. It transmits this data through an EtherNet/IP network to a PLC or industrial controller for real-time processing.
Each input channel monitors voltage changes from connected devices and converts them into digital signals for the control system. Built-in diagnostics help detect wiring faults, short circuits, and signal inconsistencies.
This enables:
Reliable multi-channel digital signal acquisition
Real-time machine status monitoring
Reduced control cabinet wiring
Fast fault detection through diagnostics
Stable distributed I/O communication
Its rugged design allows direct installation in demanding industrial environments such as automotive and manufacturing systems.
Role in Industrial Control Systems
The 1738-IB16DM12 plays a key role in distributed automation architectures, supporting:
Machine-level input monitoring
EtherNet/IP distributed I/O systems
Factory automation networks
Sensor integration systems
Conveyor and production line control
Modular machine design architectures
It helps simplify system design while improving reliability and installation efficiency.
Industrial Applications
The Allen-Bradley 1738-IB16DM12 is widely used in:
Automotive manufacturing systems
Robotic production cells
Packaging machinery
Material handling systems
Conveyor automation
Factory assembly lines
General industrial automation systems
It is especially suitable for harsh environments requiring compact and sealed distributed I/O solutions.
Installation and System Integration
Proper installation ensures reliable operation and communication performance:
Mounted directly on machines or equipment frames
Connected via M12 industrial connectors
Integrated into EtherNet/IP distributed I/O systems
Powered through system adapter modules
Requires proper grounding and cable shielding
Must follow industrial installation standards
Correct setup improves signal reliability and system stability.
Compatible System Components
The 1738-IB16DM12 typically works alongside:
Allen-Bradley ArmorPoint adapters (EtherNet/IP systems)
PLC platforms (ControlLogix / CompactLogix)
Industrial sensors and switches
Distributed I/O power and communication modules
EtherNet/IP network infrastructure
Machine automation systems
These components together form a complete distributed control architecture.
Recommended Alternative Models
| Model | Type | Key Feature | Application |
|---|---|---|---|
| 1732E-IB16 | ArmorBlock Input Module | Machine-mounted I/O | Factory automation |
| 1738-IB16M12 | Standard ArmorPoint Input Module | Similar 16-channel input | Distributed systems |
| 1732ES-IB16 | Safety input module | Safety-rated I/O | Machine safety systems |
| FLEX I/O Digital Input Modules | Modular I/O system | Flexible configuration | Industrial control |
| POINT I/O Modules | Compact I/O system | Cabinet-based design | Small automation systems |
Key Advantages
Compact distributed design
16-channel digital input capacity
Supports EtherNet/IP integration
Rugged sealed industrial housing
Built-in diagnostic capabilities
Suitable for harsh industrial environments
Technical FAQs
What is the main function of the 1738-IB16DM12?
It collects 16-channel digital input signals and transmits them to a PLC via EtherNet/IP systems.
Where is this module commonly used?
It is commonly used in manufacturing systems, conveyor lines, robotics, and industrial machine automation.
Why use distributed input modules instead of centralized I/O?
They reduce wiring complexity, improve scalability, and allow sensors to be placed closer to machines.
Conclusion
The Allen-Bradley 1738-IB16DM12 ArmorPoint Numeric Input Module is a reliable and compact industrial input solution designed for distributed automation systems. Its 16-channel capability, rugged sealed construction, and EtherNet/IP integration make it well-suited for demanding machine-level applications requiring efficient and stable signal acquisition.