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The Allen Bradley 1734-OX2 is a 2-channel relay output module with isolated contacts, designed for distributed industrial automation systems. It combines the flexibility of relay-based switching with enhanced isolation characteristics, making it suitable for applications where electrical separation between control and load circuits is important.
This module provides two independent relay outputs, each capable of switching AC or DC loads. The relay contacts are designed to handle a variety of industrial control tasks, including switching inductive and resistive loads. Compared to solid-state outputs, relay outputs offer broader compatibility with different voltage types and load conditions.
The compact housing and DIN rail mounting design make it ideal for modular systems where space efficiency and ease of installation are key requirements.
The module is part of a distributed I/O platform that allows flexible system configuration and reduced wiring in industrial automation environments.
| Parameter | Specification |
|---|---|
| Model | 1734-OX2 |
| Output Type | Relay Output (Isolated) |
| Channels | 2 |
| Contact Type | Normally Open (Form A) |
| Coil Voltage | 24V DC |
| Contact Rating | Up to 2 A per channel |
| Switching Voltage | Up to 240V AC / 125V DC |
| Isolation | Channel-to-channel and channel-to-bus isolation |
| Isolation Voltage | 250V continuous |
| Mechanical Life | ≥ 1,000,000 operations |
| Electrical Life | ≥ 100,000 operations |
| Response Time | Approx. 10–30 ms |
| Bus Current | Approx. 75 mA @ 5V DC |
| Power Dissipation | Approx. 0.8–1 W |
| Mounting | DIN Rail |
| Operating Temperature | -20°C to +55°C |
| Storage Temperature | -40°C to +85°C |
| Protection Rating | IP20 |
| Dimensions | Approx. 56 × 12 × 75 mm |
| Weight | ≈ 0.09 kg ( 0.09 ) |
The 1734-OX2 is designed to provide reliable and flexible relay-based control.
These features make it suitable for applications requiring isolation and flexibility.
The module is commonly used in industrial automation systems where isolated relay outputs are required.
Typical applications include:
It is especially useful in environments where signal isolation and reliable switching are critical.
Provides separation between control and load circuits, enhancing system safety.
Capable of switching both AC and DC loads with ease.
Mechanical relay contacts ensure stable switching performance.
Slim module fits easily into space-constrained control panels.
Works seamlessly within distributed I/O systems for scalable automation solutions.
| Model | Type | Channels | Signal Type | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| 1734-OW2 | Relay Output | 2 | Relay (NO) | 56 × 12 × 75 | 0.09 ( 0.09 ) |
| 1734-OW4 | Relay Output | 4 | Relay (NO) | 75 × 12 × 56 | 0.12 ( 0.12 ) |
| 1734-OB2 | Digital DC Output | 2 | 24V DC | 56 × 12 × 75 | 0.023 ( 0.023 ) |
| 1734-OV8E | DC Output (Sink) | 8 | 24V DC | 75 × 12 × 56 | 0.04 ( 0.04 ) |
| 1734-IB8 | Digital Input | 8 | 24V DC | 75 × 12 × 56 | 0.10 ( 0.10 ) |
These modules can be combined to build flexible and distributed control systems.
| Model | Type | Channels | Signal Type | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| 1756-EN2T | Ethernet Communication | — | — | 145 × 140 × 35 | 0.45 ( 0.45 ) |
| 1756-IB16 | Digital Input | 16 | 24V DC | 145 × 140 × 35 | 0.40 ( 0.40 ) |
| 1756-OB16E | Digital Output | 16 | 24V DC | 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 | 118 × 87 × 35 | 0.30 ( 0.30 ) |