Genuine Allen-Bradley 1746-IB32 SLC 32-Point DC Input Module | SLC 500 Series – Verified Source
The Allen-Bradley 1746-IB32 is a cornerstone component within Rockwell Automation’s SLC 500 programmable controller platform — one of the most widely deployed discrete control architectures in global manufacturing. With 32 points of 24V DC sink input capability, this module is critical for high-density I/O applications in automotive assembly, food & beverage processing, and material handling systems. Due to its long production lifecycle and continued demand in legacy system maintenance, the 1746-IB32 has become a prime target for counterfeit reproduction and grey-market distribution, with substandard units causing unplanned downtime and safety incidents across industrial facilities worldwide.
At Konmask, every 1746-IB32 unit we supply undergoes a documented, multi-stage authenticity verification process before shipment. We source exclusively from authorized distribution channels and factory-surplus inventories with full traceability. Our commitment to genuine, verified, and authentic Rockwell Automation hardware means you receive a module that performs to OEM specification — backed by documentation, not just promises. When you order from Konmask, you are not buying a part; you are buying certainty.
Technical Specifications
| Part Number | 1746-IB32 |
| Series | SLC 500 |
| Module Type | Digital DC Input |
| Number of Input Points | 32 |
| Input Voltage Range | 10–30V DC |
| Input Current (per point) | 6 mA @ 24V DC |
| ON-State Voltage Min | 10V DC |
| OFF-State Voltage Max | 5V DC |
| Input Impedance | 4 kΩ |
| Response Time (OFF→ON) | ≤ 1 ms |
| Response Time (ON→OFF) | ≤ 1 ms |
| Backplane Current Draw (5V DC) | 185 mA |
| Operating Temperature | 0°C to 60°C (32°F to 140°F) |
| Storage Temperature | -40°C to 85°C |
| Relative Humidity | 5–95% non-condensing |
| Wiring Type | Sink (NPN) |
| Connector Type | 40-pin removable terminal block |
| Dimensions (H × W × D) | 111 × 35 × 87 mm |
| Weight | Approx. 140 g |
| Agency Certifications | UL, CE, CSA, C-Tick |
Specifications verified against Allen-Bradley / Rockwell Automation official documentation (Publication 1746-TD001).
Our 4-Step Quality Verification Process
Every 1746-IB32 unit shipped by Konmask passes through the following documented verification stages:
- Step 1 — Visual & Label Authentication: Physical inspection of housing, label print quality, catalog number format, date code, and series letter against known-genuine reference units. Counterfeit modules frequently exhibit label misalignment, incorrect font weight, or missing CE/UL markings.
- Step 2 — Functional Bench Test: Each module is installed into a live SLC 500 chassis and all 32 input points are individually stimulated and verified for correct ON/OFF state response within OEM-specified timing parameters (≤1 ms). Results are logged per unit.
- Step 3 — Backplane Communication Check: Module is scanned via RSLogix 500 / Studio 5000 to confirm correct firmware identification, I/O tree recognition, and fault-free operation under simulated load conditions.
- Step 4 — Documentation Package Assembly: Upon passing all tests, each unit is assigned a Konmask Inspection Record. Available documentation includes: Certificate of Conformance (COC), Functional Test Report, Packing List with serial traceability, Country of Origin (COO) Declaration, and photographic evidence of the tested unit.
Key Features & Benefits
- 32-Point High-Density Input: Maximizes I/O capacity per slot in SLC 500 fixed and modular chassis, reducing hardware footprint and wiring complexity in high-channel-count applications.
- Fast 1 ms Response Time: Meets IEC 61131-2 requirements for Type 1 digital input modules, ensuring reliable capture of high-speed discrete signals in machine control environments.
- 24V DC Sink (NPN) Compatibility: Directly compatible with the majority of industrial proximity sensors, photoelectric sensors, and pushbutton devices wired to NPN output standards prevalent in Asian and European manufacturing.
- Removable Terminal Block: 40-pin RTB design allows field wiring to remain in place during module replacement, minimizing maintenance downtime — compliant with IEC 60947-5-1 wiring practice standards.
- Wide Operating Temperature Range (0–60°C): Suitable for deployment in non-climate-controlled panel environments, meeting NEMA/IEC enclosure thermal guidelines for industrial control equipment.
- Full SLC 500 Ecosystem Compatibility: Plug-and-play integration with all SLC 500 fixed and modular chassis (1746-A4 through 1746-A13), processors (SLC 5/01 through 5/05), and Rockwell Automation programming software.
Typical Applications
- Automotive Body Assembly: Discrete input monitoring for weld gun position feedback, clamp confirmation, and part-present detection on transfer lines using SLC 500 controllers.
- Food & Beverage Packaging: High-speed sensor input acquisition for bottle counting, fill-level detection, and conveyor jam sensing in hygienic production environments.
- Material Handling & Conveyor Systems: Monitoring of photoeye arrays, limit switches, and encoder pulse inputs across sortation and palletizing systems.
- Water & Wastewater Treatment: Digital status monitoring of pump run/fault signals, valve position feedback, and level switch inputs in SCADA-integrated SLC 500 control panels.
- Legacy System Maintenance & MRO: Direct drop-in replacement for existing 1746-IB32 modules in installed SLC 500 systems, extending operational life without requiring controller migration.
- OEM Machine Retrofits: Expanding I/O capacity on existing SLC 500 platforms during machine upgrades, avoiding full PLC replacement costs while maintaining proven control architecture.
Compatible System Components
- SLC 500 Chassis: 1746-A4, 1746-A7, 1746-A10, 1746-A13
- SLC 500 Processors: 1747-L20, 1747-L30, 1747-L40, 1747-L511, 1747-L514, 1747-L524, 1747-L531, 1747-L532, 1747-L541, 1747-L542, 1747-L543, 1747-L551, 1747-L552, 1747-L553
- Power Supplies: 1746-P1, 1746-P2, 1746-P3, 1746-P4, 1746-P7
- Removable Terminal Block: 1746-RT32 (40-pin RTB, sold separately)
- Programming Software: RSLogix 500 (v8.x+), Studio 5000 Logix Designer (via legacy compatibility)
- Communication Modules: 1747-SDN (DeviceNet), 1747-KE (DH-485), 1747-AENTR (EtherNet/IP)
Global Sourcing & Shipping Capabilities
- Primary Service Regions: China Mainland, Hong Kong SAR, Southeast Asia (Vietnam, Thailand, Indonesia, Malaysia), South Korea, India, Middle East (UAE, Saudi Arabia), Europe (Germany, Poland, Netherlands), North America (USA, Canada, Mexico)
- Export Packaging Standard: Anti-static bag → foam-lined inner box → double-wall corrugated outer carton with moisture-barrier lining. Fragile/ESD labels applied. Suitable for air freight and sea freight.
- Logistics Options: DHL Express (2–5 days), FedEx International Priority, UPS Worldwide, sea freight LCL/FCL for bulk orders, and China Post registered airmail for budget-sensitive shipments.
- Lead Time: In-stock units ship within 1–2 business days of payment confirmation. Custom documentation requests (COC, COO Declaration) add 1 business day.
- Export Compliance: All shipments include commercial invoice, packing list, and COO declaration. HS Code: 8537.10 (Boards, panels, consoles for electric control). ECCN: EAR99.
Certifications & Compliance Statement
- UL Listed (UL 508 — Industrial Control Equipment)
- CE Marked (EMC Directive 2014/30/EU; Low Voltage Directive 2014/35/EU)
- CSA Certified (C22.2 No. 142)
- C-Tick / RCM (Australian Communications and Media Authority)
- RoHS Compliant (Directive 2011/65/EU)
Konmask Quality Commitment: We supply only genuine Allen-Bradley / Rockwell Automation hardware. Every unit is traceable to its source, tested before shipment, and supported by documentation. If any unit fails to match OEM specifications upon receipt, we provide full replacement or refund — no questions asked.
How to Order
- Submit Your Inquiry: Contact us via the product page, email support@konmask.com, or WhatsApp +0086 19859288691 with your required quantity, delivery destination, and any documentation requirements (COC, test report, COO).
- Receive Quotation & Confirmation: Our team responds within 24 hours with pricing, lead time, and available stock confirmation. Sample units available for evaluation upon request.
- Place Order & Ship: Confirm your order, complete payment via your preferred method (T/T, PayPal, credit card), and we dispatch with full tracking and documentation within 1–2 business days.
Authenticity & Trust FAQ
- Q: How can I verify that the 1746-IB32 I receive is genuine Allen-Bradley?
- A: Every unit we ship includes a Konmask Inspection Record with photographic evidence of the physical unit, label close-ups, and functional test results. You can cross-reference the catalog number, series letter, and date code against Rockwell Automation’s official product documentation. We also provide COC upon request, and welcome third-party inspection arrangements for large orders.
- Q: What is your warranty policy on the 1746-IB32?
- A: We offer a 12-month warranty against manufacturing defects and functional failure under normal operating conditions. If a unit fails within the warranty period, we provide a free replacement or full refund. Our warranty is backed by our documented test records — not just a verbal promise.
- Q: Can you provide a functional test report or Certificate of Conformance before I commit to a large order?
- A: Yes. For qualified inquiries, we can provide sample units with full documentation packages including functional test report, COC, and COO Declaration prior to bulk order commitment. Contact us to discuss your evaluation requirements.
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Original Source: https://Konmask.com
Contact: support@konmask.com | +0086 19859288691






