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MicroLogix Series PLC: Compact, Reliable Control for Small-to-Medium Industrial

China MicroLogix Series PLC: Compact, Reliable Control for Small-to-Medium Industrial

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MicroLogix Series PLC: Compact, Reliable Control for Small-to-Medium Industrial

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Price： $150 - $2500
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Payment Terms	L/C,D/A,D/P,T/T,Western Union,MoneyGram
Delivery Time	3-5workdays
Type	Programmable Logic Controller
Warranty	Original Manufacturer's Warranty
Pakage	Original Pakage
Shipping Term	International Express（DHL/FEDEX/TNT/UPS/ARAMEX）/sea Freight / Air Freight / International Special Line
Freight Charge	For Industrial Equipment (e.g., PLC Modules, Inverters..), Shipping Cost Varies By Package Weight/volume And Delivery Location. Contact Our Sales Team For A Customized Shipping Solution And Quote
Brand Name
Model Number	MicroLogix 1000/1100 MicroLogix 1200/1400 MicroLogix 1500
Certification	UL, CSA, CE, ATEX
Place of Origin	USA

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Product Specification


Payment Terms	L/C,D/A,D/P,T/T,Western Union,MoneyGram	Delivery Time	3-5workdays
Type	Programmable Logic Controller	Warranty	Original Manufacturer's Warranty
Pakage	Original Pakage	Shipping Term	International Express（DHL/FEDEX/TNT/UPS/ARAMEX）/sea Freight / Air Freight / International Special Line
Freight Charge	For Industrial Equipment (e.g., PLC Modules, Inverters..), Shipping Cost Varies By Package Weight/volume And Delivery Location. Contact Our Sales Team For A Customized Shipping Solution And Quote	Brand Name
Model Number	MicroLogix 1000/1100 MicroLogix 1200/1400 MicroLogix 1500	Certification	UL, CSA, CE, ATEX
Place of Origin	USA
High Light	Allen-Bradley MicroLogix PLC compact ，MicroLogix PLC industrial control ，Allen-Bradley PLC reliable automation

MicroLogix Series PLC delivers compact, reliable control tailored for small-to-medium industrial applications, striking an ideal balance between space-saving design and robust performance. Available in multiple models spanning entry-level to high-performance configurations, it supports up to 240 digital I/O and 32 analog I/O points, with flexible communication options including Ethernet/IP, RS-232, and RS-485 to seamlessly integrate with existing automation systems. Programmed via RSLogix 500 or Studio 5000 software, this PLC operates stably in harsh environments ranging from -20°C to 60°C, holding UL, CSA, CE, and ATEX certifications to meet global industrial standards. Perfect for packaging lines, water treatment processes, assembly cells, and agricultural equipment, it empowers businesses to streamline operations, reduce downtime, and boost productivity without excessive costs.

Product Features & Highlights

Compact Design & Flexible Deployment

Boasting a space-saving footprint and expandable I/O options, the series fits perfectly into small control cabinets and tight installation spaces. With models ranging from entry-level 10-point to high-capacity 240-point configurations, it caters to the diverse control needs of small-to-medium industrial scenarios.

Robust Reliability for Harsh Working Conditions

Operating across a wide temperature range of -20°C to 60°C and paired with a rugged enclosure, it delivers stable performance in dusty, temperature-fluctuating environments like outdoor water treatment plants and factory floors. It holds multiple international certifications including UL, CSA, CE, and ATEX, complying with global industrial safety standards.

Multi-Protocol Communication & Seamless Integration

Equipped with integrated communication interfaces such as Ethernet/IP, RS-232, RS-485, and DF1, it seamlessly connects with Allen-Bradley's HMIs, frequency converters, and other devices, as well as third-party automation systems, enabling easy construction of a complete control network.

Easy Programming & Low Operational Threshold

Compatible with two mainstream programming software: RSLogix 500 and Studio 5000. It supports multiple programming methods including ladder logic, function block diagram, and structured text, ensuring quick setup and low maintenance costs, and is suitable for engineers with varying technical levels.

Cost-Effective & Versatile for Diverse Applications

Ideal for food and beverage packaging lines, agricultural irrigation systems, small manufacturing assembly cells, and building HVAC control. It achieves efficient automated control at a moderate cost, helping small and medium-sized enterprises reduce investment while boosting production efficiency.

Core Parameter Table

Parameter	Specification
Processor Type	MicroLogix 1000/1100/1200/1400/1500
I/O Capacity	Up to 240 digital I/O, 32 analog I/O
Memory	Up to 32KB user memory
Communication Ports	Ethernet/IP, RS-232, RS-485, DF1
Programming Software	RSLogix 500, Studio 5000
Operating Temperature	-20°C to 60°C
Power Supply	120/240V AC, 24V DC
Certification	UL, CSA, CE, ATEX

Product Model List

The MicroLogix series mainly includes five core sub-series: 1000, 1100, 1200, 1400, and 1500. Among them, the 1000, 1100, 1200, and 1500 series have been gradually discontinued.

Series	Model	Core Parameters	Applicable Scenarios	Remarks
MicroLogix 1000	1761-L32AAA	32 I/O points, 120/240V AC power supply	Standalone control of small equipment (e.g., small conveyor belts, simple packaging machines)	Discontinued; mainly circulated as spare parts overseas
MicroLogix 1000	1761-L20BWA-5A	25 I/O points, with analog function, 24V DC power supply	Small scenarios requiring simple analog detection (e.g., small pressure control equipment)	Common in the overseas spare parts market; suitable for retrofitting old small production lines
MicroLogix 1000	1761-L10BXB	10 I/O points, 6-channel 24V DC input, 24V DC power supply	Micro-automation scenarios (e.g., small valve control, sensor signal acquisition)	Compact body; suitable for narrow installation spaces
MicroLogix 1100	1763-L16BBB	16 I/O points, integrated Ethernet/IP, with LCD panel	Networked control of small-to-medium equipment (e.g., small workshop assembly units)	Discontinued; supports online editing; high demand for maintenance of overseas in-service equipment
MicroLogix 1100	1763-L16BWA	16 I/O points, 120/240V AC power supply, embedded Ethernet/IP	Small production lines requiring network communication (e.g., small food processing lines)	Compatible with Modbus RTU protocol; suitable for multi-device linkage scenarios
MicroLogix 1200	1762-L24BWA	24 I/O points, supports 1762 series expansion modules	Step-by-step control of small-to-medium production lines (e.g., component assembly lines)	Discontinued in 2021; suitable for spare part replacement of overseas in-service automation production lines
MicroLogix 1200	1762-L40BWA	40 I/O points, flexible I/O expansion, supports RS-232/RS-485 communication	Scenarios requiring multiple I/O expansions (e.g., small warehouse sorting equipment)	Suitable for industrial environments with low dust and small temperature differences; popular spare parts in overseas manufacturing industry
MicroLogix 1200	1762-L40BXB	40 I/O points, 24V DC power supply, compatible with expansion modules	Equipment control under low-voltage power supply scenarios (e.g., on-board small automation devices)	Commonly used in overseas small equipment retrofitting projects
MicroLogix 1400 (Mainstream Model on Sale)	1766-L32BWA	32 digital I/O points, integrated Ethernet/IP, with backlit LCD panel	Networked control of small-to-medium production lines (e.g., bottled beverage production lines, small water treatment equipment)	Supports 7 1762 expansion modules; mainstream model on sale overseas
MicroLogix 1400 (Mainstream Model on Sale)	1766-L32BWAA	32 digital I/O points + 6 analog I/O points, 110/240V AC power supply, 20KB memory (10KB program + 10KB data)	Networked scenarios requiring analog monitoring (e.g., control of small chemical reactors)	Built-in real-time clock; suitable for time-node control requirements
MicroLogix 1400 (Mainstream Model on Sale)	1766-L32BXB	32 I/O points, high-speed counter function, 24V DC power supply	Scenarios requiring high-speed signal acquisition (e.g., speed control of small machine tools, conveyor belt speed measurement)	With pulse train output; suitable for motion control-related small equipment
MicroLogix 1400 (Mainstream Model on Sale)	1766-L32BXBA	32 I/O points, enhanced network capability, backlit LCD panel	Small-to-medium scenarios with multi-device collaboration (e.g., small auto parts assembly lines)	Commonly selected for new small overseas industrial automation projects
MicroLogix 1500	1764-28BXB	28 I/O points, 24V DC power supply, used as base unit	Medium scenarios requiring modular expansion (e.g., multi-process control of packaging equipment)	Needs to be used with CPU; discontinued; large circulation volume in the overseas spare parts market
MicroLogix 1500	1764-24BWA	24 I/O points, AC power supply, supports memory expansion	Basic control of medium production lines (e.g., small building material forming equipment)	Compatible with RSLogix 500 programming; suitable for overseas old programming systems
MicroLogix 1500	1764-LRP	Enhanced controller, supports dual serial port communication, 24V DC power supply	Medium scenarios requiring multi-serial port communication (e.g., multi-sensor data aggregation equipment)	Core control spare parts for high-end old overseas production lines
MicroLogix 1500	1764-LSP	Standard processor, with a second 9-pin serial port, supports standard crossover cable programming	Medium equipment requiring convenient programming and debugging (e.g., workshop equipment maintenance and debugging)	Compatible with common standard programming cables overseas; low debugging cost
Series Expansion Modules	1762-IQ16	16-channel 24V DC digital input module	Digital input expansion for each sub-series (e.g., multi-sensor signal expansion)	Suitable for 1200, 1400 and other series; commonly used for expansion of overseas in-service equipment
Series Expansion Modules	1762-OW16	16-channel AC/DC relay output module	Multi-actuator control expansion (e.g., multi-valve, indicator light expansion)	High versatility; one of the most commonly used expansion modules for the overseas MicroLogix series
Series Expansion Modules	1762-IF4	4-channel current/voltage analog input module	Analog signal acquisition expansion (e.g., pressure, temperature)	Suitable for scenarios requiring multi-analog detection (e.g., small environmental monitoring equipment)
Series Expansion Modules	1762-OF4	4-channel analog output module	Analog control signal output expansion (e.g., frequency converter frequency adjustment)	Compatible with 1100, 1200, 1400 series; commonly used in overseas industrial retrofitting
Series Expansion Modules	1761-NET-ENI	Ethernet interface module	Network communication expansion for non-Ethernet models (e.g., 1000 series networking retrofitting)	Suitable for retrofitting old overseas MicroLogix equipment without Ethernet function

Application Areas

Food & Beverage: Control of packaging lines, conveyor systems, and mixing processes; meets hygiene standards for washdown environments.
Water & Wastewater: Monitor and control pumps, valves, and treatment processes; reliable operation in harsh outdoor conditions.
Manufacturing: Assembly line automation, machine tool control, and material handling; flexible enough for small production cells.
Agriculture: Irrigation system control, greenhouse climate regulation, and livestock feeding equipment automation.
Building Automation: HVAC control, lighting systems, and access control for commercial buildings.

Frequently Asked Questions

What programming software is compatible with MicroLogix series PLCs?

MicroLogix PLCs are compatible with RSLogix 500 (legacy software) and Studio 5000 (modern platform for integrated Allen-Bradley systems). Both support ladder logic, function block, and structured text programming.

Can MicroLogix PLCs communicate with other Allen-Bradley devices?

Yes. With Ethernet/IP, RS-485, and DF1 protocols, MicroLogix PLCs can seamlessly connect with Allen-Bradley HMI (PanelView), drives (PowerFlex), and other PLCs for a complete automation solution.

What is the difference between MicroLogix 1400 and 1500?

The MicroLogix 1400 is designed for mid-range applications with up to 160 I/O points and Ethernet/IP. The MicroLogix 1500 offers maximum I/O capacity (240 points) and 32KB user memory, suitable for more complex control tasks.

Is MicroLogix suitable for outdoor applications?

Yes. With a wide operating temperature range (-20°C to 60°C) and rugged enclosure options, MicroLogix PLCs can operate in outdoor or harsh industrial environments, such as water treatment plants and agricultural facilities.

My MicroLogix 1400 loses its IP address every time it powers off. I have to reconfigure it after restarting, even though I saved the settings to EEPROM. What's wrong?

It's most likely that BOOTP and DHCP functions aren't disabled, or the storage settings didn't take effect. First, open Channel 1 configuration in RSLogix 500, uncheck both "BOOTP Enable" and "DHCP Enable", then make sure to confirm saving these network settings in the "Store to EEPROM" option. Also, check the S1/11 and S1/12 DIP switches on the PLC--they should be set to 1 by default. Setting them to 0 will prevent configurations from being saved, even with a new memory module.

When communicating between CompactLogix and MicroLogix 1400, I keep getting a "parameter error". The Message block is configured for SLC-type reading. Where's the issue?

First, don't add the MicroLogix to the CompactLogix's I/O tree--it will interfere with the communication connection because it can't establish an I/O link and will retry repeatedly. Then check if the CIP path in the Message instruction is correct, especially when connecting via DH+ or AB-X2-ABD HP modules--specify the corresponding port and node. If reading N registers, confirm the source element (e.g., N201:0) and element count are correct. It's best to compare screenshots of the configuration in RSLogix with the register addresses of the target PLC.

My MicroLogix 1100 is connected to expansion I/O modules. After running for 4 months, it suddenly reports "Controller cannot communicate with expansion module" (Fault Code 0071H). I've replaced both the module and PLC, but the problem persists. What should I do?

First, check if the pins of the module connector are oxidized or loose--ensure the expansion module is fully seated and the grounding is proper. If it's an output module, the most likely issue is that no surge suppressor was added to the load. Voltage surges in industrial environments can cause communication interruptions. You can connect surge absorbers in parallel to the output terminals. Additionally, route the module's wiring away from high-interference equipment like inverters and welding machines--try a different wiring path. Engineers have resolved this issue this way before.

The voltage in the overseas factory is 230V AC. My MicroLogix 1200 has no response after being powered on. Is it incompatible with the power supply?

First, check the PLC model suffix. For example, the 1762-L24BWA supports 120/240V AC wide voltage--no problem. However, if it's a DC-powered model (e.g., with BXB suffix), connecting it to 230V AC will directly burn the power board. Always verify the power parameters before overseas installation. 230V AC is commonly used in Europe, Australia, and other regions--choose the correct AC-powered model. Ensure L and N are not reversed during wiring, and the grounding terminal is reliably grounded to avoid power fluctuations damaging the module.

When programming with RSLogix 500, the timer is inaccurate. It's preset for 10 seconds but actually runs for 100 seconds. What's wrong?

You've set the wrong time base for the timer! RSLogix 500 timers have three default time bases: 10ms, 100ms, and 1s. For example, selecting a 100ms time base with a preset value of 10 equals 10×100ms=1 second--you probably mistook the base for 1ms. Double-click the timer instruction, correct the time base in the properties, then recalculate the preset value: Actual Time = Preset Value × Time Base. Also, ensure the timer's Enable (EN) terminal receives a pulse signal--continuous power supply is required for normal timing. For RTO timers, check if the reset signal is functioning properly.

My MicroLogix 1500 frequently crashes when running in a high-temperature workshop (around 55°C) but works normally after cooling down. Is the environment substandard?

Although the PLC's rated operating temperature is -20°C to 60°C, the temperature inside the control cabinet in actual industrial environments is usually 10°C higher than the workshop temperature--55°C is already close to the critical value. First, install a cooling fan or air conditioner in the control cabinet. Leave at least 30mm of ventilation space between the PLC and other modules, and avoid direct sunlight. For dusty workshops, clean the dust from the PLC's cooling holes to prevent dust buildup from affecting heat dissipation. An overseas customer in a metallurgical plant resolved the crashing issue this way.

I purchased a MicroLogix 1400 overseas and want to connect it to local Modbus RTU devices. How do I configure the communication?

First, confirm if the PLC has an RS-485 port (e.g., the 1766 series comes with one). If not, add a communication module like the 1762-IF4. Open "Communication Configuration" in RSLogix 500, select the DF1 protocol, then enable Modbus RTU slave or master mode. Set the baud rate, data bits, and parity (to match the on-site devices). Note that Modbus addresses must correspond to the PLC's registers--for example, N registers correspond to 4xxxx addresses, and I registers correspond to 1xxxx addresses. Don't mix them up, otherwise, data won't be read.

After downloading the program, the PLC runs, but the output points don't actuate. Online monitoring shows the output coil is energized, but the actual relay doesn't pull in. What's the reason?

First, check if the PLC is in "RUN" mode--don't accidentally switch it to "PROG" mode. Then check if the output point is short-circuited. For 24V DC loads commonly used in overseas factories, reversing the positive and negative poles will trigger PLC protection and prevent output. Additionally, check for duplicate coils in the program. Driving the same output coil address (e.g., O:2.0) in multiple networks will cause status confusion. Use RSLogix's "Cross Reference" function to quickly find duplicate coils and replace them with intermediate relays for transition.

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About Us: Beyond Components, We Deliver Certainty Shanghai Fradwell Industrial Automation Co., Ltd — Your Trusted Partner in Industrial Automation. With over two decades of industry expertise, we have evolved from a traditional supplier into a one-stop integrated solutions provider f... About Us: Beyond Components, We Deliver Certainty Shanghai Fradwell Industrial Automation Co., Ltd — Your Trusted Partner in Industrial Automation. With over two decades of industry expertise, we have evolved from a traditional supplier into a one-stop integrated solutions provider f...

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