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- Allen Bradley
- 1734-232ASC
- Point I/O Module
- USA
- 56 × 12 × 75.5 mm
- 0.03kg
- Xiamen, China
- New & In Stock
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- 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.
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All our products are priced very favorably because we have our own warehouse and supply.
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Allen Bradley 1734-232ASC — Full Technical Overview (POINT I/O Serial Interface Module)
1. Product Overview
The Allen Bradley 1734-232ASC is an industrial RS-232 ASCII communication interface module used in distributed control systems. It is designed to connect programmable controllers with serial devices such as scanners, printers, and instrumentation equipment.
This module is part of a modular I/O architecture, allowing flexible system expansion and decentralized control. It handles ASCII data communication efficiently, making it suitable for environments where simple and stable serial communication is required.
Its compact structure makes it ideal for installations with limited panel space, while maintaining reliable performance in industrial conditions.
2. Brand and Series
- Brand: Allen Bradley
- Series: POINT I/O (1734 Series)
- Product Type: Serial ASCII Communication Module
The POINT I/O series is known for its modular design, enabling users to combine multiple I/O and communication modules on a single network node.
3. Technical Parameters
Parameter Table
| Parameter | Specification |
|---|---|
| Model | 1734-232ASC |
| Module Type | ASCII Serial Interface |
| Communication Interface | RS-232 (Full Duplex) |
| Number of Ports | 1 |
| Supported Protocol | ASCII |
| Baud Rates | 1200, 2400, 4800, 9600, 19200, 38400 |
| Data Bits | 7 or 8 |
| Parity Options | None, Even, Odd |
| Stop Bits | 1 or 2 |
| Supply Voltage | 24V DC |
| Voltage Range | 10–28.8V DC |
| Supply Current | Approx. 15 mA |
| Backplane Current | Approx. 75 mA @ 5V DC |
| Power Consumption | ≤ 1 W |
| Operating Temperature | -20°C to +55°C |
| Storage Temperature | -40°C to +85°C |
| Relative Humidity | 5–95% (non-condensing) |
| Protection Class | Industrial grade |
| Mounting Method | DIN Rail |
| Dimensions | Approx. 56 × 12 × 75.5 mm |
| Weight (kg) | Approx. 0.03 kg |
4. Product Features
The module provides a reliable interface for ASCII-based serial communication, allowing easy integration of legacy and third-party devices into modern automation systems.
It supports multiple communication configurations, enabling compatibility with a wide range of serial equipment without requiring additional converters.
LED indicators are included for transmit, receive, module status, and network status, which helps technicians quickly identify communication issues.
The module supports hot-swapping, meaning it can be replaced while the system remains powered, reducing downtime during maintenance.
5. Typical Applications
This module is widely used in industrial automation scenarios where serial communication is still required:
- Barcode and QR code scanning systems
- Packaging and labeling machines
- Industrial weighing systems
- Serial printers and reporting devices
- Measurement instruments and sensors
- Logistics and warehouse automation
It is particularly useful in bridging older RS-232 devices with modern Ethernet-based PLC systems.
6. Product Advantages
Compact and Space-Saving
The slim design allows high-density installation in control cabinets.
Flexible Communication Settings
Supports multiple baud rates and framing formats, ensuring compatibility with different devices.
Reliable Data Transmission
Stable ASCII communication ensures consistent performance in industrial environments.
Easy Integration
Seamlessly integrates into POINT I/O systems and common industrial networks.
Hot Swap Capability
Reduces downtime and improves maintenance efficiency.
Diagnostic Visibility
LED indicators simplify troubleshooting and system monitoring.
7. Recommended Models (Same Series or Related)
POINT I/O Series Related Models
| Model | Type | Channels / Ports | Voltage | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| 1734-232ASC | RS232 ASCII | 1 Port | 24V DC | 56×12×75.5 | 0.03 |
| 1734-485ASC | RS485 ASCII | 1 Port | 24V DC | 56×12×75.5 | 0.03 |
| 1734-IB8 | Digital Input | 8 Inputs | 24V DC | 56×12×75.5 | 0.04 |
| 1734-OB8 | Digital Output | 8 Outputs | 24V DC | 56×12×75.5 | 0.04 |
| 1734-IE4C | Analog Input | 4 Channels | 24V DC | 56×12×75.5 | 0.05 |
| 1734-OE4C | Analog Output | 4 Channels | 24V DC | 56×12×75.5 | 0.05 |
8. Recommended Popular Models (Same Brand)
Popular Allen Bradley 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-EN2T | Communication | Ethernet/IP module | 24V DC | 145×35×140 | 0.30 |
| 1734-AENT | Adapter | Ethernet adapter | 24V DC | 56×12×75.5 | 0.04 |
| 1794-IE8 | Analog Input | 8-channel analog input | 24V DC | 94×94×69 | 0.20 |
| 5069-IB16 | Digital Input | 16-point input module | 24V DC | 138×42×95 | 0.25 |