12 in stock
Allen-Bradley 1747-L40E SLC 500 Fixed 40 I/O Controller
Allen-Bradley 1747-L40E SLC 500 Fixed 40 I/O Controller
Brand/Manufacturer: Allen-Bradley
Order Number: 1747-L40E
Type:
Country of Origin: USA
Condition: Original Brand
Lead Time: Available in stock
Payment Term: 100% TT In Advance
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Description
The Allen-Bradley 1747-L40E is a self-contained SLC 500 fixed hardware controller engineered for standalone automation applications requiring integrated I/O and high-speed counting capabilities. Featuring an embedded 120/240 VAC power supply, 1K instruction memory, and a 40-point discrete I/O layout, the unit combines 24 VDC sinking inputs with 16 DC transistor sourcing outputs. Its integrated design eliminates the need for a separate backplane chassis while facilitating high-speed input tracking and DH-485 network connectivity.
Embedded I/O Architecture and High-Speed Counting
The 1747-L40E integrates 40 discrete I/O channels within its compact housing. The input section consists of 24 24 VDC sinking input points compatible with sourcing field devices. The output section provides 16 DC transistor sourcing outputs operating over a 10-50 VDC range, designed for rapid electronic switching and solid-state DC loads. Additionally, an integrated high-speed counter channel allows direct interface with incremental encoders or pulse trains for precise motion and frequency tracking.
Power Supply and System Hardware
Equipped with an internal AC line power supply, the unit operates on a standard 120/240 VAC line voltage. The controller combines CPU processing power, 1K word instruction memory, I/O terminals, and a DH-485 communication port within a single panel-mounted enclosure. Optional EEPROM or UVPROM memory modules (such as the 1747-M11 or 1747-M13) can be installed for user program backup.
Technical Parameters
| Parameter | Specification |
|---|---|
| Model | 1747-L40E |
| Brand | Allen-Bradley (Rockwell Automation) |
| Controller Type | SLC 500 Fixed Hardware Controller |
| Total Embedded I/O | 40 points |
| Input Points | 24 points, 24 VDC Sinking |
| Output Points | 16 points, DC Transistor Sourcing |
| Output Voltage Range | 10-50 VDC |
| Special Functions | Integrated High-Speed Counter |
| Program Memory | 1K Words Instruction Capacity |
| Communication Interface | DH-485 Port |
| Line Operating Voltage | 120/240 VAC |
| Status Indicator | Discontinued by Manufacturer |
| Weight | 4.37 lbs |
Frequently Asked Questions
Q: What input signal configuration does the 1747-L40E controller require?A: The controller utilizes 24 VDC sinking inputs, which expect current to flow into the module terminals from sourcing sensors or switches.
Q: How do the transistor sourcing outputs function on the 1747-L40E?A: The 16 transistor outputs supply positive DC voltage (sourcing) over a 10-50 VDC operating range to drive external DC field loads.
Q: Does the 1747-L40E require a separate backplane chassis or power supply module?A: No, as a fixed hardware style unit, it houses its CPU, 1K memory, 120/240 VAC power supply, and 40 I/O terminals inside a single standalone assembly.
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Testimonials
Fast Delivery, Excellent Quality
We’ve worked with IndustriaX Limited on several urgent orders for automation components. Their ability to provide original, factory-sealed parts with full documentation—often from in-stock inventory—has significantly reduced our downtime. The delivery is consistently fast, and their logistics team is highly responsive. IndustriaX has become one of our most trusted global suppliers for industrial spare parts.
- Sarah Johnson
We’ve worked with IndustriaX Limited on several urgent orders for automation components. Their ability to provide original, factory-sealed parts with full documentation—often from in-stock inventory—has significantly reduced our downtime. The delivery is consistently fast, and their logistics team is highly responsive. IndustriaX has become one of our most trusted global suppliers for industrial spare parts.
- Sarah Johnson
Reliable Partner for Original Parts
Finding authentic automation parts has always been a challenge, especially for discontinued models. IndustriaX Limited has impressed us with their genuine stock, clear product traceability, and prompt updates. We’ve verified their shipments against OEM specs multiple times, and the results are flawless. They’re now our preferred sourcing partner for critical systems.
- David Smith
Finding authentic automation parts has always been a challenge, especially for discontinued models. IndustriaX Limited has impressed us with their genuine stock, clear product traceability, and prompt updates. We’ve verified their shipments against OEM specs multiple times, and the results are flawless. They’re now our preferred sourcing partner for critical systems.
- David Smith
Professional Service with After-Sales Support"IndustriaX Limited doesn’t just ship products—they provide solutions. When we encountered installation issues with one of the modules, their technical team replied in less than 4 hours and provided wiring guides and troubleshooting tips. This level of post-sale support is rare in the spare parts sector. Their professionalism gives us confidence in every order."
- Emily Brown
"IndustriaX Limited doesn’t just ship products—they provide solutions. When we encountered installation issues with one of the modules, their technical team replied in less than 4 hours and provided wiring guides and troubleshooting tips. This level of post-sale support is rare in the spare parts sector. Their professionalism gives us confidence in every order."
- Emily Brown
Trusted Source for Industrial Automation Spares
We've tested multiple suppliers over the years, but IndustriaX Limited consistently stands out. Their product catalog is extensive, their team is knowledgeable, and they understand the urgency of industrial needs. With every order, we receive timely updates, fast delivery, and 100% genuine products. It’s rare to find such consistency and reliability in this field.
- Michael Anderson
We've tested multiple suppliers over the years, but IndustriaX Limited consistently stands out. Their product catalog is extensive, their team is knowledgeable, and they understand the urgency of industrial needs. With every order, we receive timely updates, fast delivery, and 100% genuine products. It’s rare to find such consistency and reliability in this field.
- Michael Anderson