Allen-Bradley AIM16 16-Point 240V AC Input Module – SLC 500 Series
Imagine a high-voltage AC production line — conveyor drives, motor starters, and safety interlocks all signaling at 240V AC — suddenly going dark because a single discrete input module fails. Without a reliable 240V AC input interface, the PLC loses visibility into the field: limit switches go unread, motor run-feedback disappears, and the entire line halts. Unplanned downtime in heavy industrial environments can cost thousands of dollars per hour. The Allen-Bradley AIM16 exists precisely to prevent that scenario, providing a robust, high-density 240V AC discrete input path that keeps your SLC 500 system fully informed of field conditions at all times.
Within the SLC 500 family — Rockwell Automation’s long-proven modular PLC platform deployed across hundreds of thousands of installations worldwide — the AIM16 occupies the high-voltage discrete input tier. While lower-voltage modules handle 24V DC sensor signals, the AIM16 is engineered for direct interface with 120/240V AC field devices: industrial pushbuttons, relay contacts, proximity switches, and motor auxiliary contacts wired at mains voltage. Its 16-point density makes it one of the most cost-effective ways to consolidate AC input wiring in a standard SLC 500 chassis, and its continued availability through specialist distributors like Konmask.com ensures that legacy lines can be maintained without costly platform migrations.
Technical Specifications
- Manufacturer: Allen-Bradley (Rockwell Automation)
- Part Number / SKU: AIM16
- Series: SLC 500
- Module Type: Discrete AC Input
- Number of Input Points: 16
- Input Voltage: 240V AC (nominal)
- Input Voltage Range: 85–265V AC (typical operating range for 240V class)
- Input Frequency: 47–63 Hz
- Signal State Indication: LED per input point
- Backplane Interface: SLC 500 single-slot
- Isolation: Optical isolation between field and backplane
- 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
- Weight: Approx. 450 g
- Certifications: UL Listed, CE Marked (verify current listing with Rockwell documentation)
Note: All specifications are based on published Rockwell Automation documentation. Konmask.com does not modify or re-rate factory specifications.
Key Features & Benefits
- High-Voltage Direct Interface: Eliminates the need for interposing relays or signal converters when connecting 240V AC field devices, reducing panel complexity and potential failure points.
- 16-Point Density: Maximises chassis slot utilisation — 16 AC inputs in a single slot versus multiple lower-density alternatives, lowering per-point wiring cost.
- Per-Point LED Diagnostics: Each input channel has a dedicated status LED, enabling technicians to verify field signal state at a glance without a laptop or programming terminal.
- Optical Isolation: Field-side voltages are fully isolated from the SLC 500 backplane, protecting the CPU and other modules from transient surges common in AC industrial environments.
- Wide Voltage Tolerance: Accepts the full range of international mains voltages (85–265V AC), making it suitable for both 120V North American and 240V European/Asian installations.
- Drop-In SLC 500 Compatibility: Slots directly into any SLC 500 fixed or modular chassis; recognised automatically by RSLogix 500 / Studio 5000 Logix Designer (in SLC emulation mode).
- Proven Long-Term Reliability: Designed for continuous duty in industrial environments; widely used in food & beverage, automotive, and utilities sectors for over two decades.
Industry & Equipment Applications
- Food & Beverage Processing: Motor run-feedback from 240V AC conveyor drives, oven door limit switches, and filling machine interlocks.
- Automotive Manufacturing: Weld gun confirmation signals, press safety gates, and transfer line position feedback at mains voltage.
- Water & Wastewater Treatment: Pump run/fault status, valve open/close confirmation, and level switch inputs on 240V AC utility panels.
- Oil & Gas / Petrochemical: Motor starter auxiliary contacts, emergency shutdown (ESD) pushbutton inputs, and field junction box status signals.
- Building Automation & HVAC: Air handling unit status, chiller run signals, and fire/smoke damper position feedback wired at 240V AC.
- Packaging Machinery: Photoeye and proximity switch inputs on legacy 240V AC wired packaging lines requiring SLC 500 control.
- Utilities & Power Distribution: Breaker status, relay contact monitoring, and interlock verification in medium-voltage switchgear control panels.
System Integration & Compatible Parts
The AIM16 is designed for seamless integration within the SLC 500 ecosystem. Compatible and commonly paired components include:
- SLC 500 Chassis: 1746-A4, 1746-A7, 1746-A10, 1746-A13 (4, 7, 10, and 13-slot)
- SLC 500 Power Supplies: 1746-P1, 1746-P2, 1746-P3, 1746-P4
- SLC 5/03, 5/04, 5/05 CPUs: 1747-L531, 1747-L541, 1747-L551 and variants
- Complementary Output Modules: 1746-OA16 (16-point 240V AC output) for matched I/O pairs
- Programming Software: RSLogix 500 (legacy) / Studio 5000 Logix Designer (SLC emulation)
- Communication Adapters: 1747-SDN (DeviceNet), 1747-AENTR (EtherNet/IP) for networked architectures
If you require a complete BOM or system architecture review, contact our engineering support team at support@konmask.com.
Our Quality Assurance Process
Every Allen-Bradley AIM16 module shipped from Konmask.com passes through a structured verification process before dispatch:
- Source Verification: Units are sourced exclusively from authorised distributors, certified resellers, or directly from Rockwell Automation-approved channels. Grey-market and unverified surplus sources are excluded.
- Visual & Physical Inspection: Housing integrity, connector condition, label authenticity, and date-code consistency are checked against known-good reference units.
- Functional Bench Test (where applicable): Modules are powered in a test chassis and input channels are exercised to confirm LED response and backplane communication.
- Serialisation & Traceability: Each unit’s serial number and source documentation are logged in our inventory system, providing full traceability for your procurement records.
- Secure Packaging: Anti-static bags, foam inserts, and double-wall cartons protect modules during international transit.
How to Order
- Submit an Enquiry: Use the Contact / Request a Quote button on this page, or email support@konmask.com with your required quantity and delivery timeline.
- Receive a Quotation: Our team will respond within 1 business day with pricing, lead time, and available stock confirmation.
- Order Confirmation: Approve the proforma invoice; payment terms are confirmed at this stage (T/T, L/C, and other B2B methods accepted).
- Quality Check & Dispatch: Your units are inspected, documented, and shipped via your preferred carrier (DHL, FedEx, UPS, sea freight).
- After-Sales Support: Our technical team remains available post-delivery for integration questions or warranty claims.
Why Choose Konmask.com?
- Industrial Automation Specialists: We focus exclusively on PLC, DCS, and industrial control components — not a general electronics marketplace.
- Global B2B Experience: Serving procurement engineers and MRO buyers across Asia, Europe, the Americas, and the Middle East.
- Verified Stock, Honest Lead Times: We confirm physical stock before quoting. No phantom inventory, no bait-and-switch lead times.
- Technical Pre-Sales Support: Our team can advise on compatibility, firmware versions, and replacement alternatives when original parts are obsolete.
- Competitive Pricing for Volume Orders: Tiered pricing available for MRO contracts and project BOM quantities.
- Secure International Shipping: Customs documentation, export compliance, and insurance handled end-to-end.
Frequently Asked Questions
Q: Is the AIM16 still in production by Rockwell Automation?
A: The AIM16 is part of the legacy SLC 500 product line. Rockwell Automation has announced end-of-life timelines for portions of the SLC 500 range. Konmask.com maintains stock of genuine surplus and new-old-stock (NOS) units to support ongoing maintenance requirements. Contact us for current availability.
Q: Can the AIM16 be used in a 120V AC application?
A: The AIM16 is rated for 240V AC nominal input. Many 240V class modules accept the full 85–265V AC range, making them compatible with 120V AC signals as well. However, always verify against the specific module’s datasheet and your application’s electrical design before installation.
Q: What is the difference between the AIM16 and the 1746-IA16?
A: The 1746-IA16 is the standard catalogue number for the SLC 500 16-point 120/240V AC input module in Rockwell’s current (and legacy) numbering system. The AIM16 designation may refer to an earlier or OEM-variant part number within the same functional family. Our team can clarify exact cross-references for your specific revision requirement.
Q: Do you provide a warranty on AIM16 modules?
A: Yes. All modules sold by Konmask.com carry a minimum 90-day functional warranty. Extended warranty terms are available for volume orders. See our warranty policy or contact us for details.
Q: How long does international shipping take?
A: Express courier (DHL/FedEx) typically delivers within 3–7 business days to most destinations. Sea freight and economy air options are available for larger shipments. Lead times are confirmed at the quotation stage.
Q: Can you supply the full SLC 500 system — chassis, power supply, CPU, and I/O?
A: Yes. Konmask.com can source complete SLC 500 system builds or individual replacement modules. Submit your full BOM for a consolidated quotation.
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