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- Allen Bradley
- 1734-IB4D
- Point I/O Module
- USA
- 75.5 × 12 × 56 mm
- 0.1kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
- 1 Year
- 1-3 Working Days
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- 24-Hour Service
- COO
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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.
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.
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Allen Bradley 1734-IB4D — Detailed Technical Overview (POINT I/O Digital Input Module with Diagnostics)
1. Product Overview
The Allen Bradley 1734-IB4D is a 4-channel digital input module with diagnostic capability, designed for distributed industrial I/O systems. It is part of a modular architecture where communication adapters and I/O modules are combined to form flexible field-level control nodes.
This module is specifically used to monitor 24V DC discrete input signals from field devices such as proximity sensors, pushbuttons, limit switches, and auxiliary contacts. What distinguishes this model from standard input modules is its built-in diagnostics, which allow detection of wiring faults such as open circuits and short circuits.
The module is typically installed on a terminal base and connected to a communication adapter, enabling integration into larger automation systems through industrial networks.
2. Brand and Series
- Brand: Allen Bradley
- Series: POINT I/O (1734 Series)
- Product Type: Digital Input Module (with Diagnostics)
The POINT I/O system is designed for flexible, distributed automation, allowing users to scale I/O configurations according to application needs.
3. Technical Parameters
Parameter Table
| Parameter | Specification |
|---|---|
| Model | 1734-IB4D |
| Module Type | Digital Input (Diagnostic) |
| Number of Inputs | 4 |
| Input Voltage | 24V DC |
| Voltage Range | 10–28.8V DC |
| Input Type | Sinking |
| Input Current | Approx. 5 mA per channel |
| Diagnostic Features | Open wire and short circuit detection |
| Backplane Current | Approx. 50 mA @ 5V DC |
| Power Dissipation | Approx. 0.6 W |
| Thermal Dissipation | Approx. 1.9 BTU/hr |
| Indicators | 4 × Input LEDs + diagnostic status |
| Communication | Via POINTBus backplane |
| Wiring Category | 1 (low voltage signals) |
| Operating Temperature | -20°C to +55°C |
| Mounting | DIN Rail (via terminal base) |
| Enclosure | Open-style |
| Dimensions | Approx. 75.5 × 12 × 56 mm |
| Weight (kg) | Approx. 0.10 kg |
4. Product Features
The 1734-IB4D provides four digital input channels, allowing reliable monitoring of discrete signals in industrial environments.
Its key feature is integrated diagnostics, which can detect wiring issues such as open circuits and short circuits, improving system reliability and troubleshooting efficiency.
Each input channel is equipped with a status LED, enabling quick visual confirmation of signal conditions.
The module supports standard 24V DC industrial signals, ensuring compatibility with a wide range of sensors and field devices.
Its modular design allows easy integration into distributed I/O systems and supports flexible system expansion.
5. Typical Applications
The 1734-IB4D is commonly used in applications where reliable signal monitoring and diagnostics are required:
- Industrial automation systems
- Machine control panels
- Conveyor and material handling systems
- Packaging and assembly lines
- Safety-related monitoring (non-safety rated diagnostics)
- Distributed I/O installations
It is particularly useful in applications where early detection of wiring faults can reduce downtime.
6. Product Advantages
Built-in Diagnostics
Detects open wire and short circuit conditions, improving system reliability.
Efficient Channel Density
Four inputs provide a balance between compact size and functionality.
Quick Troubleshooting
LED indicators and diagnostic data simplify maintenance.
Flexible Integration
Works seamlessly with various communication adapters and I/O modules.
Compact Design
Ideal for space-constrained control panels and distributed systems.
Reliable Performance
Designed for stable operation in industrial environments.
7. Recommended Models (Same Series or Related)
POINT I/O Series Related Models
| Model | Type | Channels | Voltage | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| 1734-IB4D | Digital Input (Diag) | 4 In | 24V DC | 75.5×12×56 | 0.10 |
| 1734-IB4 | Digital Input | 4 In | 24V DC | 56×12×75.5 | 0.035 |
| 1734-IB8 | Digital Input | 8 In | 24V DC | 56×12×75.5 | 0.04 |
| 1734-OB4E | Digital Output | 4 Out | 24V DC | 56×12×75.5 | 0.04 |
| 1734-IE2C | Analog Input | 2 Ch | 24V DC | 56×12×75.5 | 0.05 |
| 1734-AENT | Ethernet Adapter | N/A | 24V DC | 133×56×79.8 | 0.30 |
8. Recommended Popular Models (Same Brand)
Popular Models
| Model | Type | Key Function | Voltage | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| 1769-L33ER | PLC Controller | Compact control processor | 24V DC | 118×87×87 | 0.50 |
| 1756-L81E | PLC Controller | High-performance processor | 24V DC | 175×90×140 | 0.65 |
| 1756-EN2T | Communication | Ethernet communication module | 24V DC | 145×35×140 | 0.30 |
| 1734-AENTR | Adapter | Ethernet I/O adapter | 24V DC | 56×12×75.5 | 0.04 |
| 5069-IB16 | Digital Input | 16-point input module | 24V DC | 138×42×95 | 0.25 |