Product Overview
The Allen-Bradley 1734-IM2 is a compact digital AC input module from the POINT I/O series, designed for reliable signal detection in industrial control systems. With only 2 inputs, it is one of the smallest input modules in the 1734 family, making it ideal for space-constrained applications.
This module accepts 220 Volts AC input voltage and operates across a wide range of 159 to 264 Volts AC at 47 to 63 Hertz. Its key switch position 8 ensures correct mounting on compatible terminal bases. The 1734-IM2 includes status indicators for real-time monitoring, simplifying diagnostics and reducing downtime.
Technical Specifications
| Specification |
Value |
| Manufacturer |
Rockwell Automation |
| Brand |
Allen-Bradley |
| Part Number |
1734-IM2 |
| Series |
POINT I/O |
| Module Type |
Digital AC Input Module |
| Inputs |
2 or 1 group of 2 |
| Input Voltage |
220 Volts AC |
| POINTBus Current |
75 milliamps |
| Power Dissipation |
0.1 Watts Maximum |
| Thermal Dissipation |
3.4 BTU Maximum |
Additional electrical characteristics include a nominal input impedance of 22.3 kiloohms and a maximum POINT bus current of 75 mA at 5 Volts DC. The module provides continuous isolation of 240 Volts from field to system, ensuring safe operation in industrial environments.
Key Features & Benefits
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Compact design: Only 2 inputs, saving valuable panel space.
-
Wide input voltage range: 159–264 Volts AC, accommodating varying supply conditions.
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Real-time status indicators: Enable quick visual diagnostics.
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DIN rail mounting: Simplifies installation and reduces setup time.
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Open-type enclosure: Facilitates heat dissipation and maintenance access.
Industry Applications
The 1734-IM2 is commonly used in manufacturing lines, packaging machinery, and material handling systems where AC input sensing is required. Its compact form factor makes it especially suitable for retrofitting existing panels or adding I/O points without major redesign.
In a typical automotive assembly line, the 1734-IM2 monitors limit switches and proximity sensors, providing reliable input signals to the PLC. The wide voltage range ensures stable operation even with fluctuating line power, reducing false triggers and improving overall system uptime.
Installation & Setup
Mount the 1734-IM2 on a DIN rail in an appropriate enclosure. Rotate the keyswitch on the mounting base to position 8 before inserting the module. Use a compatible terminal base such as 1734-TB, 1734-TBS, 1734-TOP, or 1734-TOPS. Connect 14 to 22 AWG solid or stranded copper wire rated at 75°C. Ensure proper torque and secure connections to avoid intermittent signals.
Maintenance & Reliability
Regularly inspect the module for dust accumulation and verify that all wiring connections remain tight. Check status indicators periodically to confirm normal operation. The 1734-IM2 operates reliably in temperatures from -20 to 55°C and withstands vibration up to 5 g at 10–500 Hz, making it suitable for demanding environments. With no moving parts, maintenance requirements are minimal, contributing to lower total cost of ownership.
Compatibility & Integration
The 1734-IM2 integrates seamlessly with other POINT I/O modules and Rockwell Automation controllers. It communicates over the POINTBus backplane, requiring 75 mA at 5 Volts DC. The module is compatible with 1734-TB, 1734-TBS, 1734-TOP, and 1734-TOPS terminal bases. It accepts 14–22 AWG copper wire, ensuring easy integration into existing wiring systems.
Buying Guide
Before purchasing, verify your system's voltage requirements and terminal base compatibility. The 1734-IM2 is available now at PLC Source PRO, your trusted source for industrial automation parts. Ensure you have the correct mounting base and wiring accessories to complete the installation.