Product Introduction
The Allen-Bradley 1734-IE2C Analog Current Input Module POINT I/O is a high-precision industrial module designed for acquiring analog signals in distributed automation systems. It provides 2 single-ended current inputs capable of measuring 0…20mA and 4…20mA signals, delivering 16-bit signed resolution for accurate process monitoring.
The module’s open-style design and DIN-rail mounting allow flexible installation in compact control panels and distributed I/O networks. Its robust construction ensures reliable performance across a wide temperature and humidity range, making it suitable for applications where precise analog signal acquisition is critical.
Product Specifications
| Parameter |
Specification |
| Product Series |
Point I/O (Bul. 1734) |
| Component Type |
Analog Input Module |
| Number of Analogue Inputs |
2 qty |
| Analogue Input Type(s) |
Current: Single-Ended |
| Analogue Input Range(s) |
0 … 20 mA, 4 … 20 mA |
| Analogue Resolution, Input |
16 bit (signed) |
| Power Supply |
24V DC |
| Operating Temperature, Max |
55 °C |
| Operating Temperature, Min |
-20 °C |
| Storage Temperature, Max |
85 °C |
| Storage Temperature, Min |
-40 °C |
| Relative Humidity, Max |
95 %RH |
| Dimensions |
56 × 12 × 75.5 mm |
| Weight |
0.036 kg |
Applications
• Process Control Monitoring
Acquires current signals from transmitters for accurate process measurement.
• Distributed I/O Systems
Integrates into POINT I/O networks for scalable analog signal acquisition.
• Industrial Sensing
Supports connection of pressure, flow, or temperature sensors providing current outputs.
• Data Logging and Analysis
Provides high-resolution analog inputs for precise monitoring and control.
• Automation Panel Integration
Compact form factor enables installation in high-density panels.
• System Expansion
Adds additional analog input channels to existing control systems.
Advantages
• High-Resolution Input
16-bit signed resolution ensures precise measurement of process signals.
• Dual Current Input Channels
Supports both 0…20 mA and 4…20 mA standard signals for compatibility with diverse sensors.
• Wide Operating Temperature Range
Operates from -20 °C to 55 °C, suitable for industrial environments.
• High Humidity Tolerance
Supports relative humidity up to 95% RH, non-condensing.
• Compact and Modular Design
Small footprint allows integration into tight control panels.
• DIN-Rail Mounting Flexibility
Simplifies installation and expansion of analog I/O networks.
FAQ
1. How many analog input channels are available?
The module provides 2 single-ended current input channels for monitoring 0…20 mA and 4…20 mA signals.
2. What type of analog input is supported?
It supports single-ended current inputs compatible with standard industrial 4…20 mA or 0…20 mA sensors.
3. What is the resolution of the analog inputs?
The module provides 16-bit signed resolution, enabling precise process measurement and control.
4. Can the module be mounted on a DIN rail?
Yes, it is designed for DIN-rail installation in compact control panels and distributed I/O systems.
5. What is the operating temperature range?
The module operates reliably from -20 °C to 55 °C, suitable for industrial applications.
6. What is the storage temperature range?
It can be safely stored between -40 °C and 85 °C without affecting performance.
7. Can the module operate in high-humidity environments?
Yes, it supports relative humidity up to 95% RH (non-condensing), ensuring reliability in harsh conditions.
8. What types of sensors can be connected?
Standard industrial sensors with 0…20 mA or 4…20 mA current outputs, such as pressure, flow, or temperature transmitters, can be connected directly.
9. How does the module ensure signal accuracy?
The 16-bit signed resolution combined with stable current input conditioning ensures precise and repeatable measurements.
10. Is the module scalable for distributed analog I/O networks?
Yes, it integrates seamlessly into POINT I/O systems, allowing additional analog input modules to be added as needed.
Related Models
| Model |
Description |
| Allen-Bradley 1734-IE2 |
2-channel analog current input module (standard variant) |
| Allen-Bradley 1734-IE4 |
4-channel analog current input module |
| Allen-Bradley 1734-IE8 |
8-channel analog current input module |
| Allen-Bradley 1734-IA2 |
2-channel analog voltage input module |
| Allen-Bradley 1734-IE4C |
4-channel current input with enhanced filtering |
| Allen-Bradley 1734-IE2D |
2-channel differential analog current input module |
Popular Models
| Model |
Description |
| Allen-Bradley 1756-L72 |
ControlLogix programmable controller |
| Allen-Bradley 1734-OB2 |
POINT I/O digital output module |
| Allen-Bradley 1734-AENT |
POINT I/O Ethernet communication module |
| Allen-Bradley 1734-IB16 |
High-density digital input module |
| Allen-Bradley 1756-EN2T |
ControlLogix Ethernet communication module |
| Allen-Bradley 1756-IA16 |
Analog input module for ControlLogix |
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