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The Allen Bradley 1734-PDN is a DeviceNet communication adapter module designed for distributed I/O systems. It functions as the interface between a DeviceNet network and POINT I/O modules, enabling data exchange between field devices and the control system.
This adapter allows multiple I/O modules to be connected as a single node on a DeviceNet network, simplifying wiring and reducing installation complexity. It supports cyclic I/O data exchange, diagnostics, and configuration, making it suitable for both simple and moderately complex automation tasks.
The module is typically installed at the head of a POINT I/O station, where it manages communication for all connected modules and ensures stable data transmission across the network.
This product is part of a modular distributed I/O system designed to support flexible industrial communication and scalable automation solutions.
| Parameter | Specification |
|---|---|
| Model | 1734-PDN |
| Module Type | DeviceNet Adapter |
| Communication Protocol | DeviceNet |
| Network Speed | 125 kbps / 250 kbps / 500 kbps |
| Address Range | 0–63 (configurable node address) |
| Maximum I/O Modules | Up to 63 modules (system dependent) |
| Power Supply | 24V DC |
| Current Consumption | Approx. 400 mA @ 24V DC |
| Backplane Current | Approx. 1.0 A @ 5V DC |
| Isolation | Network to backplane isolation |
| Diagnostics | LED indicators for network and module status |
| Configuration | Node address and baud rate switches |
| Mounting | DIN Rail |
| Operating Temperature | -20°C to +55°C |
| Storage Temperature | -40°C to +85°C |
| Protection Rating | IP20 |
| Dimensions | Approx. 75 × 54 × 56 mm |
| Weight | ≈ 0.15 kg ( 0.15 ) |
The 1734-PDN is designed to provide reliable communication over DeviceNet networks.
These features ensure stable and efficient communication in industrial environments.
The module is widely used in automation systems utilizing DeviceNet communication.
Typical applications include:
It is especially suitable for applications where reliable field-level communication and simple network architecture are required.
Provides stable and proven DeviceNet network connectivity.
Adjustable node address and baud rate for easy integration.
Supports multiple I/O modules within a single node.
LED indicators simplify troubleshooting and maintenance.
Fits easily into distributed control systems with limited space.
| Model | Type | Function | Network/Signal | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| 1734-AENTR | Ethernet Adapter | EtherNet/IP Communication | Ethernet | 75 × 54 × 56 | 0.14 ( 0.14 ) |
| 1734-EP24DC | Expansion Power | DC Power Expansion | 24V DC | 75 × 12 × 56 | 0.09 ( 0.09 ) |
| 1734-IB8 | Digital Input | 8-channel Input | 24V DC | 75 × 12 × 56 | 0.10 ( 0.10 ) |
| 1734-OB8E | Digital Output | 8-channel Output | 24V DC | 75 × 12 × 56 | 0.05 ( 0.05 ) |
| 1734-VHSC | High-Speed Counter | Pulse Processing | Digital | 75 × 12 × 56 | 0.11 ( 0.11 ) |
These modules can be combined to form a complete distributed I/O system with communication, power, and signal processing capabilities.
| Model | Type | Channels | Function | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| 1756-EN2T | Communication | — | Ethernet Interface | 145 × 140 × 35 | 0.45 ( 0.45 ) |
| 1756-IB16 | Digital Input | 16 | 24V DC Input | 145 × 140 × 35 | 0.40 ( 0.40 ) |
| 1756-OB16E | Digital Output | 16 | 24V DC Output | 145 × 140 × 35 | 0.42 ( 0.42 ) |
| 1756-IF8 | Analog Input | 8 | Voltage/Current | 145 × 140 × 35 | 0.45 ( 0.45 ) |
| 1769-OB16 | Digital Output | 16 | 24V DC Output | 118 × 87 × 35 | 0.30 ( 0.30 ) |