Our advantage
Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
| Company Information | |||
| [email protected] | |||
| Mobile | +8615980777398 | ||
| +8615980777398 | |||
| 15980777398 |

The Allen Bradley 1734-IM4 is a 4-channel AC digital input module designed for distributed industrial automation systems. It is part of a modular I/O architecture that enables signal acquisition near field devices, reducing wiring complexity and improving system efficiency.
This module is specifically intended for AC voltage input signals, typically operating at 120V AC, making it suitable for monitoring the status of AC-powered equipment such as pushbuttons, selector switches, relays, and contactors.
Installed on a POINT I/O terminal base, the module communicates through the backplane to a network adapter, which then interfaces with a controller. Its compact structure and moderate channel count make it a practical choice for applications requiring several AC inputs within limited space.
The POINT I/O series is widely used in distributed control systems, offering flexibility, scalability, and a wide range of module types for different signal requirements.
| Parameter | Specification |
|---|---|
| Model | 1734-IM4 |
| Module Type | Digital Input (AC) |
| Number of Inputs | 4 |
| Input Voltage | 120V AC nominal |
| Voltage Range | 85–132V AC |
| Frequency | 47–63 Hz |
| Input Current | Approx. 6–8 mA per channel |
| Input Type | AC input (source/sink compatible) |
| Input Filter Time | Approx. 10–12 ms |
| Backplane Current | Approx. 75 mA @ 5V DC |
| Power Dissipation | Approx. 1.8 W |
| Isolation | Channel-to-backplane isolation |
| Indicators | 4 input LEDs + module status LED |
| Wiring Category | AC discrete signals |
| Operating Temperature | -20°C to +55°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 5–95% non-condensing |
| Mounting | DIN Rail (via terminal base) |
| Enclosure | Open-style |
| Dimensions | Approx. 56 × 12 × 75.5 mm |
| Weight (kg) | Approx. 0.045 kg |
The 1734-IM4 provides four independent AC input channels, allowing multiple AC devices to be monitored within a single module.
It supports standard industrial AC voltage levels, ensuring compatibility with a wide range of equipment.
Each input channel includes an LED indicator, enabling quick identification of signal status during operation and maintenance.
The module is designed for seamless integration into POINT I/O systems, allowing easy expansion and configuration.
Its compact design supports efficient installation in distributed control panels and field enclosures.
The 1734-IM4 is commonly used in applications involving AC signal monitoring:
It is particularly suitable for systems where multiple AC input signals must be monitored reliably within a compact installation.
Moderate Channel Density
Four input channels provide a balance between capacity and space efficiency.
AC Compatibility
Supports commonly used 120V AC signals in industrial environments.
Reliable Operation
Designed for stable performance under industrial electrical conditions.
Easy Diagnostics
LED indicators simplify troubleshooting and maintenance.
Compact and Modular Design
Fits easily into distributed I/O systems with limited panel space.
Flexible Integration
Compatible with a wide range of modules within the POINT I/O system.
| Model | Type | Channels | Signal Type | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| 1734-IM4 | Digital Input | 4 | AC | 56×12×75.5 | 0.045 |
| 1734-IM2 | Digital Input | 2 | AC | 56×12×75.5 | 0.04 |
| 1734-IB8 | Digital Input | 8 | DC | 56×12×75.5 | 0.033 |
| 1734-OB8 | Digital Output | 8 | DC | 56×12×75.5 | 0.04 |
| 1734-IE2C | Analog Input | 2 | Current | 56×12×75.5 | 0.05 |
| 1734-AENT | Ethernet Adapter | N/A | — | 133×56×79.8 | 0.30 |
| Model | Type | Key Function | Voltage | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| 1769-L33ER | PLC Controller | Compact controller | 24V DC | 118×87×87 | 0.50 |
| 1756-L81E | PLC Controller | High-performance controller | 24V DC | 175×90×140 | 0.65 |
| 1756-EN2T | Communication | Ethernet module | 24V DC | 145×35×140 | 0.30 |
| 1734-AENTR | Adapter | Ethernet I/O adapter | 24V DC | 56×12×75.5 | 0.04 |
| 5069-IB16 | Digital Input | 16-channel input | 24V DC | 138×42×95 | 0.25 |