Remanufactured Allen-Bradley I/O Modules

Qualitrol offers an extensive selection of remanufactured Allen-Bradley I/O modules covering the complete range of industrial automation needs across multiple product lines. Their inventory includes remanufactured modules for Allen-Bradley ControlLogix systems (1756 series), SLC 500 controllers (1746 series), CompactLogix platforms (1769 series), MicroLogix systems (1762 series), and PLC-5 controllers (1771 series), encompassing discrete input/output modules, analog I/O modules, combination modules, and specialized communication interfaces. Each remanufactured Allen-Bradley I/O module undergoes Qualitrol's rigorous restoration process to meet original manufacturer specifications, with many units available in stock for immediate shipment and others available within 2-3 days. Each of our remanufactured ControlLogix parts comes with our exclusive 2-year warranty, providing customers with reliable, factory-quality performance at a fraction of new equipment costs while supporting legacy automation systems that remain critical to industrial operations worldwide.

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Remanufactured Allen-Bradley 1756-OB16 ControlLogix Diagnostic DC Output Module
Remanufactured Allen-Bradley 1756-OB16 ControlLogix Diagnostic DC Output Module
Provides 16 diagnostic outputs with 8 points per group.
In Stock
$504.00
Remanufactured Allen-Bradley 1771-IND PLC-5 AC/DC Input Module
Remanufactured Allen-Bradley 1771-IND PLC-5 AC/DC Input Module
16 inputs per module.
In Stock
$112.00
Remanufactured Allen-Bradley 1746-IA16 SLC 500 Digital AC Input Module
Remanufactured Allen-Bradley 1746-IA16 SLC 500 Digital AC Input Module
16 inputs and points per common.
2-3 day stock
$95.00
Remanufactured Allen-Bradley 1756-IF8 ControlLogix Analog Input Module
Remanufactured Allen-Bradley 1756-IF8 ControlLogix Analog Input Module
8 input channels: 2 high-speed differential inputs, 4 differential inputs, 8 single-ended inputs.
2-3 day stock
$250.00
Remanufactured Allen-Bradley 1756-IB16 ControlLogix DC Digital Input Module
Remanufactured Allen-Bradley 1756-IB16 ControlLogix DC Digital Input Module
16 inputs with 8 per group, 12/24V DC sink voltage category.
In Stock
$80.00
Remanufactured Allen-Bradley 1769-IQ16 CompactLogix DC Digital Input Module
Remanufactured Allen-Bradley 1769-IQ16 CompactLogix DC Digital Input Module
16 inputs, 8 points per group; 24VDC sink/source voltage category.
In Stock
$95.00
Remanufactured Allen-Bradley 1746-OB16 SLC 500 Current Sourcing DC Output Module
Remanufactured Allen-Bradley 1746-OB16 SLC 500 Current Sourcing DC Output Module
16 outputs, 24VDC.
In Stock
$70.00
Remanufactured Allen-Bradley 1756-IB16I ControlLogix Discrete DC Input Module
Remanufactured Allen-Bradley 1756-IB16I ControlLogix Discrete DC Input Module
16 individually isolated inputs, 12/24VDC sink/source voltage category.
In Stock
$80.64
Remanufactured Allen-Bradley 1746-OW16 SLC 500 Discrete Relay Output Module
Remanufactured Allen-Bradley 1746-OW16 SLC 500 Discrete Relay Output Module
16 outputs, 8 points per common.
2-3 day stock
$120.00
Remanufactured Allen-Bradley 1756-OB16E ControlLogix Discrete DC Output Module
Remanufactured Allen-Bradley 1756-OB16E ControlLogix Discrete DC Output Module
16 electronically fused outputs, 8 points/group.
In Stock
$145.00
Remanufactured Allen-Bradley 1746-IO8 SLC 500 Combination Input and Output Module
Remanufactured Allen-Bradley 1746-IO8 SLC 500 Combination Input and Output Module
4 inputs, outputs, and points per common.
In Stock
$75.00
Remanufactured Allen-Bradley 1746-IB16 SLC 500 Current Sinking DC Input Module
Remanufactured Allen-Bradley 1746-IB16 SLC 500 Current Sinking DC Input Module
16 non-isolated sinking inputs, 24VDC rating.
In Stock
$50.00
Remanufactured Allen-Bradley 1762-IQ16 MicroLogix Discrete DC Input Module
Remanufactured Allen-Bradley 1762-IQ16 MicroLogix Discrete DC Input Module
16 sinking and sourcing inputs, 2 commons.
In Stock
$65.00
Remanufactured Allen-Bradley 1746-IO12 SLC 500 Combination Input and Output Module
Remanufactured Allen-Bradley 1746-IO12 SLC 500 Combination Input and Output Module
6 inputs, 6 outputs, 6 points per common.
In Stock
$112.00
Remanufactured Allen-Bradley 1756-OA16 ControlLogix AC Digital Output Module
Remanufactured Allen-Bradley 1756-OA16 ControlLogix AC Digital Output Module
16 mechanically fused/group (8 points/group).
In Stock
$602.28
Remanufactured Allen-Bradley 1746-NO4I Analog Output Module
Remanufactured Allen-Bradley 1746-NO4I Analog Output Module
4 outputs, 21mA full scale.
In Stock
$2,168.32
Remanufactured Allen-Bradley 1771-DA PLC-5 ASCII I/O Module
Remanufactured Allen-Bradley 1771-DA PLC-5 ASCII I/O Module
1.5K words buffer memory.
In Stock
$112.00
Remanufactured Allen-Bradley 1771-OZ PLC-5 Relay Contact Output Module
Remanufactured Allen-Bradley 1771-OZ PLC-5 Relay Contact Output Module
8 outputs in two groups of 4.
In Stock
$1,957.76
Remanufactured Allen-Bradley 1747-SN SLC 500 Remote I/O Scanner Module
Remanufactured Allen-Bradley 1747-SN SLC 500 Remote I/O Scanner Module
600mA backplane current consumption at 5VDC.
2-3 day stock
$80.00
Remanufactured Allen-Bradley 1771-IAD PLC-5 Digital Input Module
Remanufactured Allen-Bradley 1771-IAD PLC-5 Digital Input Module
16 inputs per module, 120VAC/DC.
In Stock
$112.00
Remanufactured Allen-Bradley 1746-IG16 SLC 500 Current Sourcing TTL Input Module
Remanufactured Allen-Bradley 1746-IG16 SLC 500 Current Sourcing TTL Input Module
16 inputs, 16 points per common.
In Stock
$4,715.20
Remanufactured Allen-Bradley 1771-IB PLC-5 DC Digital Input Module
Remanufactured Allen-Bradley 1771-IB PLC-5 DC Digital Input Module
8 inputs, 10 to 60VDC voltage category, sink (source load).
In Stock
$112.00
Remanufactured Allen-Bradley 1794-IF4I FLEX I/O Isolated Analog Input Module
Remanufactured Allen-Bradley 1794-IF4I FLEX I/O Isolated Analog Input Module
Sigma Delta conversion type.
In Stock
$150.00
Remanufactured Allen-Bradley 1769-OB32 CompactLogix Discrete Output Module
Remanufactured Allen-Bradley 1769-OB32 CompactLogix Discrete Output Module
32 outputs (16 points/group).
In Stock
$906.08
Remanufactured Allen-Bradley 1746-NO8I SLC 500 Analog Output Module
Remanufactured Allen-Bradley 1746-NO8I SLC 500 Analog Output Module
8 single-ended current output channels.
2-3 day stock
$1,225.00
Remanufactured Allen-Bradley 1746-OX8 SLC 500 Digital Contact Output Module
Remanufactured Allen-Bradley 1746-OX8 SLC 500 Digital Contact Output Module
8 outputs, individually isolated points per common.
In Stock
$50.00
Remanufactured Allen-Bradley 1746-OA16 SLC 500 Discrete AC Output Module
Remanufactured Allen-Bradley 1746-OA16 SLC 500 Discrete AC Output Module
16 outputs; 8 points per common.
2-3 day stock
$85.00
Remanufactured Allen-Bradley 1762-OB8 MicroLogix 1200 Solid-State Digital DC Output Module
Remanufactured Allen-Bradley 1762-OB8 MicroLogix 1200 Solid-State Digital DC Output Module
8 outputs, AC/DC normally open relay voltage category.
$298.63
Remanufactured Allen-Bradley 1746-NIO4I Analog Input and Output Module
Remanufactured Allen-Bradley 1746-NIO4I Analog Input and Output Module
4-channel, 2 inputs and outputs.
In Stock
$385.00
Remanufactured Allen-Bradley 1756-OB8 ControlLogix DC Digital Output Module
Remanufactured Allen-Bradley 1756-OB8 ControlLogix DC Digital Output Module
8 outputs in two groups of 4, 12/24VDC source voltage category.
In Stock
$556.92
Remanufactured Allen-Bradley 1769-OW8 CompactLogix Relay Output Module
Remanufactured Allen-Bradley 1769-OW8 CompactLogix Relay Output Module
8 outputs; AC/DC normally open relay voltage category.
In Stock
$670.88
Remanufactured Allen-Bradley 1746-IN16 SLC 500 Digital AC/DC Sinking Input Module
Remanufactured Allen-Bradley 1746-IN16 SLC 500 Digital AC/DC Sinking Input Module
16 inputs, 16 points per common, 24 VDC/VAC voltage range.
In Stock
$5,461.12
Remanufactured Allen-Bradley 1746-IA8 SLC 500 Digital AC Input Module
Remanufactured Allen-Bradley 1746-IA8 SLC 500 Digital AC Input Module
8 inputs and points per common.
In Stock
$65.00
Remanufactured Allen-Bradley 1746-BAS SLC 500 SLC BASIC Module
Remanufactured Allen-Bradley 1746-BAS SLC 500 SLC BASIC Module
Single-slot module for a SLC 500 fixed or modular controller chassis.
2-3 day stock
$120.00
Remanufactured Allen-Bradley 1769-OW8I Compact I/O Discrete Output Expansion Module
Remanufactured Allen-Bradley 1769-OW8I Compact I/O Discrete Output Expansion Module
8 individually isolated outputs.
In Stock
$100.00
Remanufactured Allen-Bradley 1771-IBD PLC-5 Discrete Input Module
Remanufactured Allen-Bradley 1771-IBD PLC-5 Discrete Input Module
16 inputs per module; 10 to 30VDC input voltage range.
In Stock
$112.00
Remanufactured Allen-Bradley 1771-OBD PLC-5 DC Output Module
Remanufactured Allen-Bradley 1771-OBD PLC-5 DC Output Module
16 outputs per module.
In Stock
$147.84
Remanufactured Allen-Bradley 1756-OW16I ControlLogix Discrete Output Module
Remanufactured Allen-Bradley 1756-OW16I ControlLogix Discrete Output Module
16 outputs, normally open, individually isolated.
2-3 day stock
$180.00
Remanufactured Allen-Bradley 1756-IA16 ControlLogix Discrete AC Input Module
Remanufactured Allen-Bradley 1756-IA16 ControlLogix Discrete AC Input Module
16 inputs, 8 points per group.
In Stock
$359.52
Remanufactured Allen-Bradley 1756-OB16I ControlLogix Isolated Discrete DC Output Module
Remanufactured Allen-Bradley 1756-OB16I ControlLogix Isolated Discrete DC Output Module
16 individually isolated outputs.
In Stock
$733.32
Remanufactured Allen-Bradley 1746-OV32 SLC-500 Current Sinking DC Output Module
Remanufactured Allen-Bradley 1746-OV32 SLC-500 Current Sinking DC Output Module
32 output points with 16 points per common, 24VDC voltage category.
In Stock
$58.00
Remanufactured Allen-Bradley 1771-IN PLC-5 Digital AC/DC Input Module
Remanufactured Allen-Bradley 1771-IN PLC-5 Digital AC/DC Input Module
8 inputs; 24V AC/DC voltage category.
Call for pricing
Remanufactured Allen-Bradley 1771-IV PLC-5 Digital DC Driver Logic Input Module
Remanufactured Allen-Bradley 1771-IV PLC-5 Digital DC Driver Logic Input Module
8 inputs per module.
In Stock
$112.00
Remanufactured Allen-Bradley 1794-OA16 FLEX I/O Digital Output Module
Remanufactured Allen-Bradley 1794-OA16 FLEX I/O Digital Output Module
16 outputs, non-isolated.
Call for pricing
Remanufactured Allen-Bradley 1756-OF4 ControlLogix Analog Output Module
Remanufactured Allen-Bradley 1756-OF4 ControlLogix Analog Output Module
4 voltage or current outputs.
2-3 day stock
$325.00
Remanufactured Allen-Bradley 1746-OAP12 SLC 500 Discrete AC Output Module
Remanufactured Allen-Bradley 1746-OAP12 SLC 500 Discrete AC Output Module
12 inputs, 370mA at 5.1V backplane current.
In Stock
$480.48
Remanufactured Allen-Bradley 1769-OF8C CompactLogix Analog Output Module
Remanufactured Allen-Bradley 1769-OF8C CompactLogix Analog Output Module
8 single-ended outputs.
In Stock
$495.00
Remanufactured Allen-Bradley 1771-OB PLC-5 Digital Output Module
Remanufactured Allen-Bradley 1771-OB PLC-5 Digital Output Module
8 outputs per module; 10 to 27VDC input voltage range.
In Stock
$67.20
Remanufactured Allen-Bradley 1746-OV16 SLC 500 Current Sinking DC Output Module
Remanufactured Allen-Bradley 1746-OV16 SLC 500 Current Sinking DC Output Module
16 outputs and points per common, 24VDC input voltage.
In Stock
$75.00
Remanufactured Allen-Bradley 1762-IQ8 MicroLogix DC Discrete Input Module
Remanufactured Allen-Bradley 1762-IQ8 MicroLogix DC Discrete Input Module
8 inputs, 24VDC voltage category (sink/source).
In Stock
$125.00
Remanufactured Allen-Bradley 1762-OW16 MicroLogix Relay Output Expansion Module
Remanufactured Allen-Bradley 1762-OW16 MicroLogix Relay Output Expansion Module
16 digital outputs; AC/DC output voltage.
In Stock
$302.40
Remanufactured Allen-Bradley 1771-OD16 PLC-5 Digital AC Output Module
Remanufactured Allen-Bradley 1771-OD16 PLC-5 Digital AC Output Module
16 outputs, 120VAC voltage category.
In Stock
$540.96
Remanufactured Allen-Bradley 1746-NR4 Resistance RTD Analog Input Module
Remanufactured Allen-Bradley 1746-NR4 Resistance RTD Analog Input Module
4 inputs.
Call for pricing
Remanufactured Allen-Bradley 1771-IG PLC-5 TTL Digital DC Input Module
Remanufactured Allen-Bradley 1771-IG PLC-5 TTL Digital DC Input Module
8 inputs.
In Stock
$85.00
Remanufactured Allen-Bradley 1756-MO2AE ControlLogix Analog Motion Module
Remanufactured Allen-Bradley 1756-MO2AE ControlLogix Analog Motion Module
24VDC, 2VA relay pilot duty rating.
2-3 day stock
$240.00
Remanufactured Allen-Bradley 1746-IV8 Current Sourcing DC Input Module
Remanufactured Allen-Bradley 1746-IV8 Current Sourcing DC Input Module
8 inputs and points per common.
In Stock
$907.20
Remanufactured Allen-Bradley 1746-IV16 Current Sourcing DC Input Module
Remanufactured Allen-Bradley 1746-IV16 Current Sourcing DC Input Module
16 inputs and points per common.
In Stock
$75.00
Remanufactured Allen-Bradley 1746-ITB Current Sinking DC Input Module
Remanufactured Allen-Bradley 1746-ITB Current Sinking DC Input Module
16 inputs and points per common.
In Stock
$95.00
Remanufactured Allen-Bradley 1769-IA16 Compact I/O Digital Input Module
Remanufactured Allen-Bradley 1769-IA16 Compact I/O Digital Input Module
16 inputs and points per group, internally connected commons.
2-3 day stock
$115.00
Remanufactured Allen-Bradley 1746-IB32 Current Sinking DC Input Module
Remanufactured Allen-Bradley 1746-IB32 Current Sinking DC Input Module
General purpose, 15 to 30VDC sink load operating voltage at 122°F.
In Stock
$55.00
Remanufactured Allen-Bradley 1771-OA PLC-5 AC Discrete Output Module
Remanufactured Allen-Bradley 1771-OA PLC-5 AC Discrete Output Module
8 outputs per module.
In Stock
$112.00
Remanufactured Allen-Bradley 1756-OA8 ControlLogix Digital AC Output Module
Remanufactured Allen-Bradley 1756-OA8 ControlLogix Digital AC Output Module
8 outputs, 4 points per group.
In Stock
$343.48
Remanufactured Allen-Bradley 1746-IV32 Current Sourcing DC Input Module
Remanufactured Allen-Bradley 1746-IV32 Current Sourcing DC Input Module
32 inputs, 8 points per common.
In Stock
$50.00
Remanufactured Allen-Bradley 1746-OA8 AC Output Module
Remanufactured Allen-Bradley 1746-OA8 AC Output Module
8 outputs, 4 points per common.
In Stock
$88.00
Remanufactured Allen-Bradley 1791DS-IB8XOB8 Guard I/O DeviceNet Safety Output Module
Remanufactured Allen-Bradley 1791DS-IB8XOB8 Guard I/O DeviceNet Safety Output Module
8 sourcing safety outputs, 8 sinking inputs, 4 sourcing test outputs.
In Stock
$168.00
Remanufactured Allen-Bradley 1791DS-IB12 Guard I/O DeviceNet Safety Input Module
Remanufactured Allen-Bradley 1791DS-IB12 Guard I/O DeviceNet Safety Input Module
12 inputs.
In Stock
$224.00
Remanufactured Allen-Bradley 1771-IQ PLC-5 DC Selectable Input Module
Remanufactured Allen-Bradley 1771-IQ PLC-5 DC Selectable Input Module
8 inputs per module.
In Stock
$112.00
Remanufactured Allen-Bradley 1762-IF4 MicroLogix Analog Input Module
Remanufactured Allen-Bradley 1762-IF4 MicroLogix Analog Input Module
4 differential (bipolar) inputs.
In Stock
$635.04
Remanufactured Allen-Bradley 1746-ITV16 DC Sourcing Input Module
Remanufactured Allen-Bradley 1746-ITV16 DC Sourcing Input Module
16 inputs and points per common.
In Stock
$95.00
Remanufactured Allen-Bradley 1745-E101 SLC 100 Discrete Expansion I/O Module
Remanufactured Allen-Bradley 1745-E101 SLC 100 Discrete Expansion I/O Module
6 output terminals, 10 input terminals.
In Stock
$100.00
Remanufactured Allen-Bradley 1771-IA PLC-5 Discrete Input Module
Remanufactured Allen-Bradley 1771-IA PLC-5 Discrete Input Module
8 inputs per module.
In Stock
$112.00
Remanufactured Allen-Bradley 1771-OFE1 PLC-5 Analog Output Module
Remanufactured Allen-Bradley 1771-OFE1 PLC-5 Analog Output Module
4 isolated (1kV) differential outputs.
In Stock
$880.32
Remanufactured Allen-Bradley 1746-OW4 SLC 500 Digital Contact Output Module
Remanufactured Allen-Bradley 1746-OW4 SLC 500 Digital Contact Output Module
4 relay outputs, 4 common points.
In Stock
$913.92
Remanufactured Allen-Bradley 1746-OV8 SLC 500 DC Output Module
Remanufactured Allen-Bradley 1746-OV8 SLC 500 DC Output Module
8 outputs in a single group, 24VDC voltage category.
In Stock
$54.88
Remanufactured Allen-Bradley 1746-OB8 SLC 500 Current Sourcing DC Digital Output Module
Remanufactured Allen-Bradley 1746-OB8 SLC 500 Current Sourcing DC Digital Output Module
8 outputs, 8 points per common.
In Stock
$75.00
Remanufactured Allen-Bradley 1791-32AO AC Block I/O Module
Remanufactured Allen-Bradley 1791-32AO AC Block I/O Module
Compatible with SLC or PLC family programmers and processors.
In Stock
$100.00
Remanufactured Allen-Bradley 1746-OVP16 SLC 500 Digital DC Output Module
Remanufactured Allen-Bradley 1746-OVP16 SLC 500 Digital DC Output Module
16 outputs and points per common.
In Stock
$216.16
Remanufactured Allen-Bradley 1762-OF4 MicroLogix 1200 Analog Output Module
Remanufactured Allen-Bradley 1762-OF4 MicroLogix 1200 Analog Output Module
12 bit resolution of the analog outputs.
In Stock
$250.00
Remanufactured Allen-Bradley 1761-IF4 MicroLogix Analog Input Module
Remanufactured Allen-Bradley 1761-IF4 MicroLogix Analog Input Module
4 differential (bipolar) inputs.
$635.04
Remanufactured Allen-Bradley 1794-OB16P FLEX I/O Digital DC Output Module
Remanufactured Allen-Bradley 1794-OB16P FLEX I/O Digital DC Output Module
16 outputs, current-sourcing.
In Stock
$100.00
Remanufactured Allen-Bradley 1794-OB16 FLEX I/O Digital DC Output Module
Remanufactured Allen-Bradley 1794-OB16 FLEX I/O Digital DC Output Module
16 outputs, current-sourcing.
In Stock
$100.00
Remanufactured Allen-Bradley 1771-IT PLC-5 DC Sink Digital Input Module
Remanufactured Allen-Bradley 1771-IT PLC-5 DC Sink Digital Input Module
8 inputs, 10 to 60VDC sink (source load) voltage category.
In Stock
$112.00
Remanufactured Allen-Bradley 1746-OG16 SLC 500 Digital DC TTL Output Module
Remanufactured Allen-Bradley 1746-OG16 SLC 500 Digital DC TTL Output Module
16 outputs and points per common.
In Stock
$515.20
Remanufactured Allen-Bradley 1771-OYC PLC-5 Contact Output Module
Remanufactured Allen-Bradley 1771-OYC PLC-5 Contact Output Module
12 points.
In Stock
$1,957.76
Remanufactured Allen-Bradley 1769-IQ6XOW4 CompactLogix Combination I/O Module
Remanufactured Allen-Bradley 1769-IQ6XOW4 CompactLogix Combination I/O Module
6 inputs, 4 outputs.
2-3 day stock
$95.00
Remanufactured Allen-Bradley 1771-IGD PLC-5 TTL Input Module
Remanufactured Allen-Bradley 1771-IGD PLC-5 TTL Input Module
16 inputs per module.
In Stock
$112.00
Remanufactured Allen-Bradley 1769-IF8 Compact I/O Analog Input Module
Remanufactured Allen-Bradley 1769-IF8 Compact I/O Analog Input Module
8 differential or single-ended inputs.
2-3 day stock
$275.00
Remanufactured Allen-Bradley 1791-OA32 PLC-5 Discrete Block I/O Module
Remanufactured Allen-Bradley 1791-OA32 PLC-5 Discrete Block I/O Module
32 outputs per block, in 4 groups of 8.
In Stock
$300.00
Remanufactured Allen-Bradley 1791-OA16 Guard I/O AC Block I/O Module
Remanufactured Allen-Bradley 1791-OA16 Guard I/O AC Block I/O Module
16 AC output channels in 2 groups of 8.
2-3 day stock
$1,420.00