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- Allen Bradley
- 1734-OE4C
- Point I/O Module
- USA
- 75 × 12 × 56 mm
- 0.12kg
- Xiamen, China
- New & In Stock
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Allen Bradley 1734-OE4C Detailed Technical Overview
1. Product Overview
The Allen Bradley 1734-OE4C is a 4-channel analog current output module designed for distributed industrial automation systems. It is used to convert digital control signals into stable and precise 4–20 mA analog current outputs, which are widely used in process control environments.
This module provides four independent current output channels, allowing simultaneous control of multiple field devices such as control valves, actuators, and variable speed drives. Its design emphasizes accuracy, stability, and noise immunity, making it suitable for demanding industrial applications.
The compact form factor and modular architecture allow it to be installed easily on DIN rails, especially in systems that require high-density I/O configurations and flexible expansion.
2. Brand and Series
- Brand: Allen Bradley
- Series: 1734 Series
- Platform: POINT I/O
- Module Type: Analog Current Output Module
The POINT I/O system supports distributed control, enabling modules to be installed close to field devices. This reduces wiring complexity and improves signal quality and response time.
3. Technical Specifications
Parameter Table
| Parameter | Specification |
|---|---|
| Model | 1734-OE4C |
| Output Type | Analog Current Output |
| Channels | 4 |
| Output Range | 4–20 mA |
| Resolution | 16-bit |
| Accuracy | ±0.1% of full scale |
| Update Time | Approx. 10 ms |
| Load Resistance | 0–500 Ω |
| Output Impedance | High (current loop type) |
| Isolation | Channel-to-bus isolation |
| Bus Current | Approx. 75–95 mA @ 5V DC |
| Power Dissipation | Approx. 3–4 W |
| Mounting | DIN Rail |
| Operating Temperature | -20°C to +55°C |
| Storage Temperature | -40°C to +85°C |
| Protection Rating | IP20 |
| Dimensions | Approx. 75 × 12 × 56 mm |
| Weight | ≈ 0.12 kg ( 0.12 ) |
4. Product Features
The 1734-OE4C is designed for precision analog signal control in industrial environments.
- Four independent analog current output channels
- High-resolution 16-bit output for accurate control
- Stable 4–20 mA signal transmission
- Strong immunity to electrical noise
- Compact design suitable for dense installations
- Modular structure for easy system expansion
- Compatible with distributed I/O communication networks
These features ensure that the module performs reliably in both simple and complex automation systems.
5. Product Applications
The module is widely used in industrial systems where precise analog current control is required.
Typical applications include:
- Process control systems (pressure, flow, temperature)
- Control valve positioning
- Variable frequency drive (VFD) control
- Chemical and pharmaceutical production
- Water treatment and environmental systems
- Industrial automation requiring accurate analog outputs
It is particularly suitable for applications where stable and precise current signals are essential for system performance.
6. Product Advantages
High Precision
Delivers accurate analog output signals for consistent process control.
Excellent Noise Immunity
4–20 mA signals are less susceptible to electrical interference.
High Channel Density
Four outputs in one module reduce system complexity and hardware usage.
Compact Design
Slim profile saves valuable space in control cabinets.
Flexible Integration
Easily integrates into distributed I/O systems, enabling scalable solutions.
7. Recommended Models (Same Series or Related)
POINT I/O Series Models
| Model | Type | Channels | Signal Type | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| 1734-OE2C | Analog Current Output | 2 | 4–20 mA | 75 × 12 × 56 | 0.11 ( 0.11 ) |
| 1734-OE2V | Analog Voltage Output | 2 | 0–10V | 75 × 12 × 56 | 0.11 ( 0.11 ) |
| 1734-IE4C | Analog Current Input | 4 | 4–20 mA | 75 × 12 × 56 | 0.12 ( 0.12 ) |
| 1734-IE8C | Analog Input | 8 | Current | 75 × 12 × 56 | 0.13 ( 0.13 ) |
| 1734-OE4V | Analog Voltage Output | 4 | 0–10V | 75 × 12 × 56 | 0.12 ( 0.12 ) |
These models can be combined to create flexible analog input and output configurations within the same distributed system.
8. Recommended Popular Models (Same Brand)
Widely Used Industrial Modules
| Model | Type | Channels | Signal Type | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| 1756-EN2T | Ethernet Communication | — | — | 145 × 140 × 35 | 0.45 ( 0.45 ) |
| 1756-IF8 | Analog Input | 8 | Voltage/Current | 145 × 140 × 35 | 0.45 ( 0.45 ) |
| 1756-OF8 | Analog Output | 8 | Voltage/Current | 145 × 140 × 35 | 0.46 ( 0.46 ) |
| 1769-IF4 | Analog Input | 4 | Voltage/Current | 118 × 87 × 35 | 0.30 ( 0.30 ) |
| 1769-OF2 | Analog Output | 2 | Voltage/Current | 118 × 87 × 35 | 0.30 ( 0.30 ) |