Repair Allen-Bradley Processors

Qualitrol offers repairs on legacy Allen-Bradley automation parts through a state-of-the-art facility, with automation repair technicians who have decades of hands-on experience with the latest testing equipment and repair technology. Their Allen-Bradley processor repair service encompasses a comprehensive range of controllers including ControlLogix processors (1756-L55, 1756-L1M3), SLC 500 series controllers (1747-L542), MicroLogix systems (1761-L32BWB, 1764-LSP, 1761-L10BWA), and other critical automation components. Qualitrol repairs any Allen-Bradley ControlLogix part in-house with fast turnaround, ensuring minimal downtime for manufacturing operations. Qualitrol's specialized repair capabilities address common processor failures such as memory corruption, communication port issues, power supply problems, and firmware-related malfunctions, restoring these critical control system components to original manufacturer specifications. With their expertise spanning multiple Allen-Bradley processor platforms, Qualitrol provides manufacturers with reliable, cost-effective alternatives to costly new equipment purchases while maintaining the performance and reliability essential for industrial automation systems.

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Repair Allen-Bradley 1761-L32BWB MicroLogix 1000 Controller Processor
Repair Allen-Bradley 1761-L32BWB MicroLogix 1000 Controller Processor
32 I/O points, 20 sinking and sourcing 24VDC inputs.
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Repair Allen-Bradley 1747-L542 SLC 500 Controller Processor
Repair Allen-Bradley 1747-L542 SLC 500 Controller Processor
32k memory (words).
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Repair Allen-Bradley 1747-L514 SLC 500 Controller Processor
Repair Allen-Bradley 1747-L514 SLC 500 Controller Processor
4K memory (words).
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Repair Allen-Bradley 1747-L40B SLC 500 Fixed Controller Processor
Repair Allen-Bradley 1747-L40B SLC 500 Fixed Controller Processor
1K instruction capacity.
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Repair Allen-Bradley 1761-NET-DNI SLC 500 DeviceNet Interface Controller
Repair Allen-Bradley 1761-NET-DNI SLC 500 DeviceNet Interface Controller
11 to 25VDC; 24VDC power source required.
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Repair Allen-Bradley 1785-L80B PLC-5 Controller Processor
Repair Allen-Bradley 1785-L80B PLC-5 Controller Processor
100K words max. user memory.
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Repair Allen-Bradley 1747-L532 SLC 500 Controller Processor
Repair Allen-Bradley 1747-L532 SLC 500 Controller Processor
4,096 inputs and 4,096 outputs.
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Repair Allen-Bradley 1756-L55 ControlLogix 5555 Controller Processor
Repair Allen-Bradley 1756-L55 ControlLogix 5555 Controller Processor
30V continuous isolation.
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Repair Allen-Bradley 1764-LSP MicroLogix 1500 Controller Processor
Repair Allen-Bradley 1764-LSP MicroLogix 1500 Controller Processor
7.6Kb memory.
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Repair Allen-Bradley 1761-L32AWA MicroLogix 1000 32-Point Controller Processor
Repair Allen-Bradley 1761-L32AWA MicroLogix 1000 32-Point Controller Processor
32 I/O points, 20 sinking inputs; 120VAC input type.
$1,222.40
Repair Allen-Bradley 1761-NET-AIC SLC 500 AIC+ Advanced Interface Controller
Repair Allen-Bradley 1761-NET-AIC SLC 500 AIC+ Advanced Interface Controller
20.4 to 28.8VDC power source required.
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Repair Allen-Bradley 1756-L55M14 ControlLogix 5555 Controller Processor
Repair Allen-Bradley 1756-L55M14 ControlLogix 5555 Controller Processor
3.5mb RAM.
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Repair Allen-Bradley 1756-L61S GuardLogix 5560 Controller Processor
Repair Allen-Bradley 1756-L61S GuardLogix 5560 Controller Processor
2MB user memory, 1MB safety memory, 478kb I/O memory.
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Repair Allen-Bradley 1756-L1M1 ControlLogix 5550 Controller Processor
Repair Allen-Bradley 1756-L1M1 ControlLogix 5550 Controller Processor
512kb expansion memory.
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Repair Allen-Bradley 1747-L30C SLC 500 Fixed I/O Controller Processor
Repair Allen-Bradley 1747-L30C SLC 500 Fixed I/O Controller Processor
1K instruction capacity.
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Repair Allen-Bradley 1747-L541 SLC 500 Modular Processor
Repair Allen-Bradley 1747-L541 SLC 500 Modular Processor
4,096 each discrete inputs/outputs, 16K memory (words).
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Repair Allen-Bradley 1761-L10BWA MicroLogix 1000 Controller Processor
Repair Allen-Bradley 1761-L10BWA MicroLogix 1000 Controller Processor
1K EEPROM memory (approx. 737 instruction words: 437 data words).
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Repair Allen-Bradley 1747-L40L SLC 500 Fixed Processor
Repair Allen-Bradley 1747-L40L SLC 500 Fixed Processor
Uses 2 chassis module slots.
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Repair Allen-Bradley 1785-L60B PLC-5 Controller Processor
Repair Allen-Bradley 1785-L60B PLC-5 Controller Processor
64K max. user memory words.
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Repair Allen-Bradley 1756-L55M13 ControlLogix 5555 Controller Processor
Repair Allen-Bradley 1756-L55M13 ControlLogix 5555 Controller Processor
1.5mb RAM.
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Repair Allen-Bradley 1756-L1M2 ControlLogix 5550 Controller Processor
Repair Allen-Bradley 1756-L1M2 ControlLogix 5550 Controller Processor
1mb expansion memory, open enclosure.
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Repair Allen-Bradley 1747-L20R SLC 500 Fixed Controller Processor
Repair Allen-Bradley 1747-L20R SLC 500 Fixed Controller Processor
1K instruction capacity.
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Repair Allen-Bradley 1761-L16BWA MicroLogix 1000 Controller Processor
Repair Allen-Bradley 1761-L16BWA MicroLogix 1000 Controller Processor
1K EEPROM memory (approx. 737 instruction words: 437 data words).
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Repair Allen-Bradley 1747-L20C SLC 500 Fixed Controller Processor
Repair Allen-Bradley 1747-L20C SLC 500 Fixed Controller Processor
1.25A power supply fuse protection.
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Repair Allen-Bradley 1747-L20B SLC 500 Fixed Controller Processor
Repair Allen-Bradley 1747-L20B SLC 500 Fixed Controller Processor
120 to 240VAC line power.
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Repair Allen-Bradley 1785-L11B PLC-5 Controller Processor
Repair Allen-Bradley 1785-L11B PLC-5 Controller Processor
8 Kilowords max. user memory.
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Repair Allen-Bradley 1747-L20A SLC 500 Fixed Controller Processor
Repair Allen-Bradley 1747-L20A SLC 500 Fixed Controller Processor
50 VA max. power requirement.
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Repair Allen-Bradley 1747-L20L SLC 500 Fixed I/O Processor
Repair Allen-Bradley 1747-L20L SLC 500 Fixed I/O Processor
(12) 24VDC source inputs, (8) DC transistor sink outputs.
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Repair Allen-Bradley 1756-L63 GuardLogix 5560 Programmable Automation Controller Processor
Repair Allen-Bradley 1756-L63 GuardLogix 5560 Programmable Automation Controller Processor
8 MB user memory, 3.75 MB safety memory.
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Repair Allen-Bradley 1756-L55M24 ControlLogix Controller Processor
Repair Allen-Bradley 1756-L55M24 ControlLogix Controller Processor
3.5MB data and logic memory; 208kb I/O memory.
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Repair Allen-Bradley 1756-L55A ControlLogix 5555 Processor
Repair Allen-Bradley 1756-L55A ControlLogix 5555 Processor
Open style enclosure.
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Repair Allen-Bradley 1762-L40BXB MicroLogix 1200 Programmable Controller Processor
Repair Allen-Bradley 1762-L40BXB MicroLogix 1200 Programmable Controller Processor
20.4 to 26.4VDC Class 2 SELV power supply voltage.
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Repair Allen-Bradley 1756-L55M16 ControlLogix 5000 Controller Processor
Repair Allen-Bradley 1756-L55M16 ControlLogix 5000 Controller Processor
7.5mb RAM.
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Repair Allen-Bradley 1747-L524 SLC 500 Controller Processor
Repair Allen-Bradley 1747-L524 SLC 500 Controller Processor
4,096 inputs and 4,096 outputs.
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Repair Allen-Bradley 1747-L511 SLC 500 Controller Processor
Repair Allen-Bradley 1747-L511 SLC 500 Controller Processor
960 max. I/O, 480 analog I/O.
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Repair Allen-Bradley 1756-L1M3 ControlLogix 5550 Controller Processor
Repair Allen-Bradley 1756-L1M3 ControlLogix 5550 Controller Processor
30V continuous isolation.
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Repair Allen-Bradley 1785-L40B PLC-5 Controller Processor
Repair Allen-Bradley 1785-L40B PLC-5 Controller Processor
48K words user memory, 32 max. I/O per link.
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Repair Allen-Bradley 1747-L543 SLC 500 Controller Processor
Repair Allen-Bradley 1747-L543 SLC 500 Controller Processor
64K memory (words).
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Repair Allen-Bradley 1756-L62 ControlLogix Controller Processor
Repair Allen-Bradley 1756-L62 ControlLogix Controller Processor
4MB user memory; 478KB I/O memory.
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Repair Allen-Bradley 1756-LSP GuardLogix 5560 Programmable Automation Controller Processor
Repair Allen-Bradley 1756-LSP GuardLogix 5560 Programmable Automation Controller Processor
Safety partner to primary controller.
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Repair Allen-Bradley 1785-LT PLC-5 Controller Processor
Repair Allen-Bradley 1785-LT PLC-5 Controller Processor
512 analog I/O.
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Repair Allen-Bradley 1761-L10BXB MicroLogix 1000 Controller Processor
Repair Allen-Bradley 1761-L10BXB MicroLogix 1000 Controller Processor
1 K EEPROM memory size & type (approx. 737 instruction words: 437 data words).
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