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Help Center1746-IM4 Allen Bradley SLC500 System Input Module 1746IM4
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Rossonix Co., Limited is proud to present the 1746-IM4 Allen Bradley SLC500 System Input Module, a reliable and high-performance discrete input module designed for industrial automation. As a trusted supplier with over a decade of experience (since 2011), we source genuine Allen Bradley modules to ensure seamless integration into your SLC 500 control systems. This 4-point DC input module offers precise signal acquisition for demanding applications, backed by our global logistics network with ports in Shenzhen, Hong Kong, and Europe.
The 1746-IM4 is engineered to accept 24V DC signals from field devices such as sensors, push buttons, and limit switches. It supports both sinking and sourcing wiring configurations, making it highly versatile for various control architectures. Each input channel features LED indication for quick visual status monitoring, reducing troubleshooting time.
| Parameter | Specification |
| Input Voltage Range | 10-30V DC (rated 24V DC) |
| Input Current (typical) | 12 mA at 24V DC |
| Off-State Voltage Max | 5V DC |
| On-State Current Min | 2.0 mA |
| Isolation Voltage | 1500V AC between inputs and backplane |
| Module Status Display | LED per input (green) |
Key features of the 1746-IM4 include:
- Compact 4-point design – saves rack space while providing sufficient I/O for small to medium control subsystems.
- Wide operating temperature range (0°C to 60°C) suitable for harsh industrial environments.
- Compatible with SLC 500 chassis – fits in any slot of a 1746 backplane (e.g., 1746-A4, -A7, -A10, -A13).
- Backplane power supply – draws minimal current (typically 50 mA from 5V backplane), leaving more power for other modules.
- Field wiring via removable terminal blocks – easy installation and maintenance.
- Commonality with Allen Bradley ecosystem – programmed via RSLogix 500, MicroLogix, or SLC 500 processors.
By choosing Rossonix Co., Limited, you gain a partner with US$5–10 million annual export value and a track record of serving markets across North & South America, Europe, Oceania, and Asia. Our team of 11–50 professionals ensures strict quality control and timely delivery. The 1746-IM4 modules we supply are sourced from reliable channels, and we can provide customization options (e.g., labeling, packaging) upon request. With ISO9001/ISO9000-certified management processes, we guarantee product authenticity and performance.
Don't compromise on control system reliability. Contact us today for competitive pricing, bulk order discounts, or technical support. Let Rossonix be your trusted Allen Bradley component partner.
Frequently Asked Questions
1. What is the difference between 1746-IM4 and 1746-IA8?
The 1746-IM4 provides 4 DC inputs (24V), while the 1746-IA8 offers 8 AC inputs (120V/240V). Select based on your field device voltage requirements.
2. Can the 1746-IM4 be used with a MicroLogix 1100?
No, the 1746-IM4 is designed specifically for the SLC 500 chassis. MicroLogix controllers use different form factor I/O modules (e.g., 1762, 1766 series).
3. Does this module support sinking or sourcing inputs?
The 1746-IM4 supports both sinking (current sink) and sourcing (current source) configurations by selecting the appropriate common wiring. Refer to the user manual for details.
4. What is the typical wiring for a 2-wire proximity sensor?
Connect the sensor's positive wire to the input terminal, and the negative wire to the common (DC COM). Ensure the module is configured for sourcing mode.
5. Is the 1746-IM4 compatible with the 1747-SN scanner?
No, the 1747-SN is a remote I/O scanner for 1771 I/O. The 1746-IM4 is for local SLC 500 backplane only.
6. What is the lead time for your inventory?
We typically ship within 1–3 business days after order confirmation, subject to stock availability. Contact our sales team for expedited options.
7. Do you provide a warranty for this module?
Yes, all our Allen Bradley modules come with a standard 12-month warranty against manufacturing defects. Extended warranty is available upon request.
8. Can you supply a matched set with a SLC 500 CPU?
Absolutely! We offer bundled packages including processors (e.g., 1747-L532), power supplies, and I/O modules to create a complete control system. Inquire for details.
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