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Home > Consumer Electronics > Display & Accessories > Touch Screen > Allen-Bradley 1746-IM4 is a SLC 500 Digital AC Input Module

Allen-Bradley 1746-IM4 is a SLC 500 Digital AC Input Module

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Product Spotlights

Genuine Allen-Bradley 1746-IM4, a 4-channel AC digital input module for SLC 500 PLCs. Features dual selectable voltage ranges (85-132VAC/170-265VAC), per-point LED status indicators, and field-to-logic isolation for reliable operation in industrial environments. Ensures seamless integration and robust signal interfacing.

Negotiable MOQ: 1 Piece (Price negotiable depending on order volume and customization)

Key Specifications

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Brand:

Allen-Bradley

Model:

1746-IM4

Module Type:

Digital AC Input Module

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Rossonix Co.,limited

1Yr

Payment & Shipping

Payment Methods:

Port of Shipment:

China

Delivery Detail:

Delivery time depends on order quantity.

Product Details
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Brand Allen-Bradley

Model 1746-IM4

Module Type Digital AC Input Module

Compatible System SLC 500 Series

Input Type AC

Input Channels 4

Input Voltage Range 85-132V AC, 170-265V AC

Status Indicators Per-point and module status LEDs

Isolation Field to logic isolation, group isolation

As a trusted supplier in industrial automation with over a decade of experience since 2011, Rossonix Co., Limited is proud to offer the genuine Allen-Bradley 1746-IM4 SLC 500 Digital AC Input Module. We understand the critical need for reliable signal interfacing in control systems, and this module represents a cornerstone component for robust industrial automation. Our global reach, serving markets from North America and Western Europe to Asia and Oceania, allows us to support your projects wherever they are. The 1746-IM4 is engineered to provide dependable conversion of AC field device signals for your SLC 500 controller, ensuring seamless integration and operational continuity in demanding environments.

The Allen-Bradley 1746-IM4 is a 4-channel digital input module designed specifically for the SLC 500 programmable logic controller family. It serves as a vital interface between AC field devices, such as switches, sensors, and pushbuttons, and the central processing unit. This module is built to industrial standards for durability and reliable performance in a wide range of manufacturing and process control applications.

Key Features and Technical Advantages:

Dual AC Voltage Ranges: The module supports two user-selectable AC input voltage ranges, providing exceptional flexibility for different electrical standards and field device requirements. This dual-range capability simplifies inventory and application design.
Comprehensive Status Indication: Each of the four input channels features an individual LED indicator, providing immediate visual confirmation of the input status. An additional module status LED offers quick diagnostics for power and communication health.
Robust Electrical Isolation: It incorporates isolation between the field wiring and the controller's internal logic. This isolation protects the sensitive SLC 500 backplane from voltage transients, noise, and potential ground loops present in the industrial environment, significantly enhancing system reliability.
High-Density Design: The 4-point configuration in a single-slot design offers a space-efficient solution for control panels, allowing for more I/O points within a compact chassis footprint.
Seamless SLC 500 Integration: The module is fully recognized by Rockwell Automation/Allen-Bradley programming software (like RSLogix 500). It automatically configures within the I/O configuration, making setup straightforward and reducing engineering time.

Technical Specifications Table:

Parameter	Specification
Catalog Number	1746-IM4
Module Type	Digital Input, AC
Number of Inputs	4 (Four)
Input Voltage, Range 1	85-132V AC
Input Voltage, Range 2	170-265V AC
Input Current (per point)	Typically 10 mA AC at 120V
On/Off Delay	Approximately 20-30 milliseconds (cycle dependent)
Backplane Current Draw (5V DC)	70 mA (typical)
Isolation	Field to logic, 250V AC continuous
Status Indicators	4 Input LEDs (Green), 1 Module Status LED
Compatible Chassis	All SLC 500 Fixed and Modular Chassis

Benefits for Your Operation:

Enhanced System Uptime: The reliable design and electrical isolation help prevent faults from propagating, contributing to greater overall equipment effectiveness (OEE) by minimizing unplanned downtime.
Reduced Maintenance Costs: Clear per-point diagnostics allow maintenance personnel to quickly identify and replace a faulty field device without extensive troubleshooting, saving time and labor.
Design and Retrofit Flexibility: The dual voltage range makes it suitable for both new system designs and modernizing existing systems with varying AC voltage levels, offering a future-proof component.
Global Project Support: With our established supply chain and experience in exporting to diverse markets, we can reliably provide this module for your projects worldwide, ensuring you have the right part at the right time.

Rossonix Co., Limited operates with a commitment to quality and customer support, reflected in our adherence to recognized management standards. Our annual export volume demonstrates our capacity and reliability as a global trading partner. We source and supply genuine Allen-Bradley components, ensuring compatibility and performance you can trust for your SLC 500 systems. Whether you are integrating a new control panel or maintaining a critical legacy system, the 1746-IM4 module offers a proven, reliable solution. Contact us today to discuss your requirements, check stock availability, or request a quotation. Let our expertise help you secure the components necessary for your automation success.

Frequently Asked Questions (FAQ)

Q1: What is the main purpose of the 1746-IM4 module?
A1: The 1746-IM4 is a digital input module that connects AC voltage signals from field devices (like limit switches or push buttons) to an Allen-Bradley SLC 500 programmable logic controller. It converts the 120VAC or 240VAC signals into a logic-level signal the CPU can understand.

Q2: Can I use this module in both 120V and 240V AC systems?
A2: Yes, that is a key feature. The module has a selector switch or terminal configuration (consult the manual) that allows you to choose between two input ranges: 85-132V AC (for 120V systems) and 170-265V AC (for 240V systems).

Q3: How do I know if an input is active or if the module is working?
A3: The module provides clear visual diagnostics. Each of the four input channels has a green LED that lights when that specific input is energized (ON). A separate module status LED indicates that the module is powered and communicating properly with the SLC 500 backplane.

Q4: Is wiring isolation provided?
A4: Yes, the module provides optical isolation between the field wiring terminals and the internal controller logic. This helps protect the controller from electrical noise, surges, and wiring faults that may occur in the plant environment.

Q5: What SLC 500 chassis is this module compatible with?
A5: The 1746-IM4 is compatible with all SLC 500 modular chassis (like the 1746-A4, A7, A10, etc.) that accept 1746-series I/O modules. It is not for use with MicroLogix or other PLC families.

Q6: What is the typical response time for an input signal?
A6: The on/off response time is in the range of 20 to 30 milliseconds, which is dependent on the AC line frequency (50/60 Hz). This is suitable for most standard industrial monitoring and control applications.

Q7: Do you provide technical documentation with the module?
A7: While physical manuals may not be included with every unit, complete technical specifications, wiring diagrams, and user manuals for Allen-Bradley 1746 series modules are readily available from the manufacturer's website and can be provided upon request to assist with installation.

Q8: Can you supply this module for projects outside of China?
A8: Absolutely. As an established trading company with an annual export value in the multi-million dollar range, we regularly ship to numerous global markets including North America, Europe, the Middle East, and Oceania from ports like Shenzhen and Hong Kong.

Product Tags: SLC 500 Digital Input Module , Allen-Bradley 1746-IM4 , AC Input Module