Product Overview
The Allen-Bradley 1734-IM2 is a digital AC input module from the POINT I/O series, designed for efficient signal monitoring in industrial environments. Its small footprint makes it a space-saving choice for control panels.

Technical Specifications Breakdown
Key parameters for the 1734-IM2 are listed below for quick reference:
| Feature | Specification |
|---|---|
| Module Type | Digital AC Input Module |
| Number of Inputs | 2 (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 |
Industry Applications
This module is well-suited for monitoring AC signals in manufacturing lines, such as detecting motor starter status or valve position feedback. Its 2-input design is efficient for discrete control tasks where space is limited. From a maintenance perspective, the module's simplicity reduces potential failure points, enhancing overall system reliability.

Installation & Setup Guidance
Mount the 1734-IM2 on a DIN rail using a compatible terminal base unit (1734-TB, 1734-TBS, 1734-TOP, or 1734-TOPS). Ensure the keyswitch on the mounting base is rotated to position 8. Use 14 to 22 AWG solid or stranded copper wire rated at 75 degrees Celsius for connections. Verify the external AC power supply matches the module's input voltage range of 159 to 264 Volts AC at 47 to 63 Hertz.
Maintenance & Reliability
Periodically inspect the module for dust accumulation and ensure the enclosure remains open-type as specified. The non-condensing relative humidity range of 5 to 95% should be maintained. Operating temperature limits are -20 to 55 degrees Celsius, with non-operating storage from -40 to 85 degrees Celsius. Check status indicators during routine rounds to catch faults early.
Compatibility & Integration
It is compatible with Allen-Bradley controllers that support POINT I/O modules. The continuous isolation voltage is 240 Volts from field-side to system.
Selection Guide & Purchasing Advice
When selecting this module, verify your system's AC voltage requirements and available backplane current. The 1734-IM2 is a reliable choice for 220V AC input applications.
Troubleshooting & Common Issues
If inputs fail to register, check the AC supply voltage is within the 159 to 264 Volts AC range. Verify wiring connections are secure and use the correct terminal base. Inspect status indicators; if off-state voltage exceeds 43 Volts AC, the module may not detect an off condition correctly. Ensure the keyswitch is at position 8.
Availability & Condition at AutoDCSTech
| Part Number | 1734-IM2 |
|---|---|
| Availability | In Stock |
| Condition | New |
| Warranty | One Year |
| Origin | US |
