The 1336 Plus II Drive: A Legacy of Performance and Reliability

Allen Bradley, a company at the forefront of industrial automation, offers the 1336 PLUS II Drive, an affirmation of their expertise in motor control technology. From its exceptional performance in precise motor control to its robust design for diverse industrial settings, the 1336 PLUS II Drive represents innovation and reliability.

 In this article, we will explore capabilities, features, and applications of this versatile drive. Its technical specifications, advanced control features, innovative packaging, and environmental resilience highlight why it is a preferred choice across various industries.

Technical Overview

The 1336 PLUS II Drive excels as a versatile and reliable solution for a broad spectrum of industrial applications. The drive offers power ratings from 0.37 to 448 kW across three voltage ranges: 200-240V AC, 380-480V AC, and 500-600V AC. This microprocessor-based adjustable frequency PWM AC drive is designed to ensure exceptional performance and reliability in the precise control of 3-phase motors. Its advanced design allows for optimum motor control under diverse load conditions, supporting selectable or V/Hz operation for precise speed and torque regulation. It is equipped with Electrical IGBTs (Insulated Gate Bipolar Transistors) and a programmable carrier frequency; the drive ensures quiet motor operation while minimizing switching and conduction losses. Proactive current limit management reduces tripping and efficiently starts low inductance motors using dynamic current control utilizing numerous sensors to produce excellent torque. Certified to meet international standards and featuring isolated power and logic, the 1336 PLUS II Drive offers stable and noise-free operation, making it a trusted choice for industrial environments. Its inbuilt DC bus logic supply makes installation easier and improves ride-through capability, and its communication features make connection with industrial networks easier. The 1336 PLUS II Drive represents excellence in motor control technology, providing reliability and performance for diverse industrial automation needs.

Electrical Specifications

The electrical specifications of the 1336 PLUS II Drive highlight its versatility and capability to operate reliably across diverse industrial settings. With a wide input voltage tolerance ranging from –10% of the minimum to +10% of the maximum specified voltage and a frequency tolerance of 48-62 Hz, the drive can easily adapt to different input conditions. It supports three-phase input across all drives, providing full rating capacity while also allowing for single-phase operation for A and B Frame drives at a derating of 50%. Operating at an impressive efficiency of up to 97.5% at rated amps and nominal line volts, the drive minimizes energy loss during operation, ensuring cost-effective performance. The drive’s maximum short circuit current rating of 200,000A RMS symmetrical at 600 volts highlights its robustness and reliability in handling high-current scenarios, enhancing system protection and safety.

Protection Specifications

The 1336 PLUS II Drive is engineered with specific operational parameters for different voltage input ranges, ensuring optimal performance and safety across configurations. For the 200-240V drive, the AC input overvoltage trip threshold is set at 285V AC, while the undervoltage trip threshold is 138V AC. In comparison, the 380-480V drive has higher thresholds, with an overvoltage trip at 570V AC and an undervoltage trip at 280V AC. For the 500-600V drive, the thresholds further increase to 690V AC for overvoltage and 343V AC for undervoltage. The drive’s bus overvoltage trip levels are specified at 405V DC, 810V DC, and 1013V DC for the respective voltage ranges, with corresponding bus undervoltage trip levels of 200V DC, 400V DC, and 498V DC. The nominal bus voltage varies accordingly, ranging from 324V DC for the 200-240V drive up to 810V DC for the 500-600V drive.

Regarding protection and current limiting, the drive incorporates software, hardware, and instantaneous current limit features. The software current limit can be adjusted from 20% to 160% of the Variable Torque (VT) rated current. In comparison, the hardware current limit ranges from 180% to 250% of VT-rated current, depending on the drive rating. The instantaneous current limit ranges from 220% to 300% of the VT-rated current, depending on the drive’s rating. The drive demonstrates robustness against environmental challenges, with the ability to withstand line transients up to 6000 volts peak per IEEE C62.41-1991 standards and a high noise immunity against arc transients up to 1500 volts peak. The drive’s fault protection features include ground fault detection for phase-to-ground faults on the drive output, as well as short circuit detection for phase-to-phase faults, ensuring prompt response to critical system faults. These comprehensive specs showcase the 1336 PLUS II Drive’s robust design and extensive protective features, making it the perfect option for demanding industrial applications requiring reliable operation and safety assurance.

Control Specifications

Characterized by advanced control specifications, this drive ensures precise and flexible motor control in industrial settings. It uses customizable carrier frequency sine-coded pulse width modulation (PWM) designed for various frame sizes and frequency ranges. The drive allows continuous output voltage adjustment from 0 to the rated voltage, offering versatility in motor control applications. The output frequency can be finely tuned within a range of 0 to 400 Hz, meeting a wide range of speed requirements with high accuracy. The drive supports digital and analog input methods, maintaining exceptional frequency accuracy within ±0.01% or ±0.4% of the set output frequency. In terms of motor control modes, the drive offers selectable options such as standard V/Hz control with extensive customizability, allowing users to tailor control parameters to specific application needs. The drive features programmable acceleration and deceleration times, enabling precise speed adjustments over programmable durations. With robust intermittent overload capabilities, the drive can handle constant torque up to 150% of rated output and variable torque up to 115% of rated output for one minute, ensuring reliability under demanding operating conditions. Proactive current limit settings, programmable from 20% to 160% of rated output current, further enhance motor protection and control. Compliant with Class 10 protection standards for inverse time overload response and certified by U.L. to meet N.E.C. Article 430 requirements, the 1336 PLUS II Drive offers a comprehensive suite of features and capabilities for industrial motor control applications, making it a flexible and reliable choice for diverse automation needs.

Packaging Features

The 1336 PLUS II Drive packaging is designed with innovative features to enhance efficiency, reliability, and adaptability. Its compact size saves valuable panel space, optimizing the control cabinet layout. The drive’s planar construction reduces internal cables and connectors, increasing reliability and simplifying maintenance. A laminar bus design minimizes inductance, reducing snubber losses and improving IGBT performance. The removable human interface allows for easy programming and operation flexibility. Specialized thermal management minimizes hot spots and ensures optimal performance under varying conditions. Engineered to meet global standards, including NEMA and European norms, the drive supports IP 65 and 54 configurations for protection against dust and water ingress. These packaging features make the 1336 PLUS II Drive a durable and efficient solution for diverse industrial automation applications, ideal for demanding environments where reliability and performance are crucial.

Comprehensive Features

The 1336 PLUS II Drive is packed with robust features designed to ensure protection, specialized functionality, operational flexibility, and flexible interfacing capabilities for various applications. It includes an extensive range of protective features such as undervoltage and overvoltage detection, drive overcurrent and over temperature monitoring, as well as detection of external signal anomalies, drive output shorts, ground faults, encoder loss, load loss, and single-phase operation. These protective measures enhance system reliability and safeguard connected equipment. The drive offers special functionalities, including an Auto Economizer for efficient energy usage, a Process PI Controller for precise process control, a Traverse Function for specialized motor movements, and an Auto Restart on Power Up for smooth operation recovery. The drive’s operational capabilities are extensive, with selectable Volts/Hertz mode for motor control, multi-lingual interface options, and programmability of dual acceleration/deceleration profiles, braking techniques, slip compensation, and S Curve acceleration/deceleration profiles. The I/O interface of the drive is highly flexible, featuring control output contacts programmable to 17 different drive variables, versatile analog inputs/outputs for customization, pulse train input for precise speed control, encoder feedback for closed-loop speed regulation, and high-speed input for responsive system interfacing. The 1336 PLUS II Drive’s extensive features enable it to flourish in a variety of industrial environments by providing reliable performance, accurate control, and effective integration with advanced automation systems.

Simplicity in Design and Programming

The 1336 PLUS II Drive is an extremely efficient industrial drive that can be used for various applications due to its simple programming and user-friendly design. The drive’s compact packaging allows for easy mounting, installation, and wiring, reducing complexity during setup and maintenance. By utilizing common assembly parts, the drive minimizes the need for stocking a wide range of components, simplifying inventory management and serviceability. Setting up the drive is easy because parameters are organized logically, enabling quick access to related functions and streamlined configuration. Tuning the drive for optimum torque performance is straightforward, ensuring efficient motor operation without complex adjustments. The drive’s Supertwist Liquid Crystal Display (LCD) provides a clear and easy-to-read interface with two lines of 16 characters each, facilitating simple “one finger” programming and real-time drive monitoring. Serial communication capabilities enable integration with peripheral equipment, offering compatibility with Allen-Bradley PLC or SLC equipment for enhanced system connectivity. Common options used throughout the entire family of drives ensure consistency and familiarity in operation and configuration across different applications. The 1336 PLUS II Drive’s emphasis on simplicity in design and programming ensures reliability and user-friendliness in industrial automation, enhancing efficiency in demanding environments.

Flexibility and Performance

The 1336 PLUS II Drive offers exceptional flexibility and performance through its digitally programmable features. By harnessing digitally programmable capabilities, the drive ensures consistent and reliable operation, simplifying setup and customization processes. Programming can be conducted locally through the Human Interface Module or remotely via a serial communications port using PLC, SLC, or DriveTools programming software, providing versatile options for configuration and control. Configurable I/O (Input/Output) capabilities further enhance flexibility by facilitating simple connections to various customer-preferred control schemes. Control inputs and outputs can be programmed to accommodate nearly every application requirement, adapting to diverse operational needs and integration scenarios. In terms of performance, the 1336 PLUS II Drive incorporates powerful algorithms that deliver unparalleled operational capabilities. With starting acceleration and running torque exceeding 250% combined with a constant torque speed range of 120:1, the drive excels in handling challenging applications that other drives may struggle with. This high-performance drive is designed to provide robust and reliable operation, even under demanding conditions, making it a preferred choice for industrial applications requiring superior control and torque capabilities. The combination of flexibility and performance underscores the versatility and effectiveness of the 1336 PLUS II Drive in optimizing operational efficiency and productivity across various industrial settings.

Diagnostics and Preventive Maintenance with the 1336 PLUS II Drive

The 1336 PLUS II Drive provides real-time preventive maintenance capabilities, customized status, and fault reporting, enhancing operational reliability and uptime. Depending on the specific drive configuration, status, and fault conditions, it can be conveniently accessed through the Human Interface Module or via the SCANport Communications Port, providing flexibility in monitoring and diagnostics. Upon powering up, the drive initiates fault diagnostic routines to detect potential issues throughout the entire run sequence proactively. This continuous monitoring allows the drive to identify and report fault conditions such as current limit exceedance, bus voltage status, motor overload, or drive overload before reaching critical fault levels. Operators are promptly alerted to alarm conditions, enabling timely intervention to prevent downtime and equipment damage.

While the drive is running, operators can selectively check the drive’s output current and control conditions for real-time preventive maintenance. This proactive monitoring approach helps in identifying abnormal operating conditions and potential issues early on, enabling personnel to take quick and corrective actions to address emerging problems. In the event of a fault occurrence, the drive provides simple language diagnostic messages that clearly identify and isolate the problem, facilitating efficient troubleshooting and minimizing downtime. This easy-to-use fault reporting system empowers maintenance personnel to swiftly diagnose issues and implement necessary corrective measures, ensuring continuous and reliable operation of the 1336 PLUS II Drive in industrial applications.

Environmental Characteristics  

The 1336 PLUS II Drive is capable of enduring elevations of up to 1000 meters (3300 feet) without derating and is made to function reliably in a variety of environmental circumstances. To accommodate varying levels of environmental protection, its ambient operating temperatures range from 0 to 50 degrees Celsius (32 to 122 degrees Fahrenheit) for IP00 (Open) enclosures and 0 to 40 degrees Celsius (32 to 104 degrees Fahrenheit) for IP20 (NEMA Type 1), IP54 (NEMA Type 12), and IP65 (NEMA Type 4) enclosures. The drive is able to handle non-condensing relative humidity levels of 5% to 95% and a storage temperature range of -40 to 70 degrees Celsius (-40 to 158 degrees Fahrenheit). It is engineered to endure mechanical shocks up to 15G peak for 11 ms and vibrations up to 0.006 inches (0.152 mm) displacement at 1G peak, suitable for installations subject to mechanical stress. With U.L. Listing, CSA Certification, and compliance with emission, immunity, and low-voltage standards, the drive ensures reliability and safety in operation, demonstrating resistance to electromagnetic interference and guaranteeing performance and longevity in challenging industrial environments.

Applications

The 1336 PLUS II Drive is designed to meet the demanding requirements of a variety of industries. It excels in industrial automation, manufacturing processes, material handling systems, pumping and fluid control applications, HVAC systems, automated machinery, renewable energy systems, mining and quarrying equipment, oil and gas installations, marine and offshore environments, and food and beverage processing. With its robust features, including precise speed and torque regulation, adaptive V/Hz control, and customizable I/O configurations, the drive optimizes efficiency and performance across diverse industries. Its durability, compliance with international standards, and ability to operate in various environmental conditions make it a reliable choice for critical applications requiring precise motor control.

Conclusion

Conclusively, the 1336 PLUS II Drive developed by Allen-Bradley exemplifies excellence in industrial motor control technology. This drive represents innovation and reliability, offering exceptional performance across a broad spectrum of industrial applications. With advanced features such as precise motor control, adaptable V/Hz operation, and comprehensive protection capabilities, the 1336 PLUS II Drive ensures efficient and reliable operation in demanding environments. Its user-friendly design, robust packaging, and environmental resilience further contribute to its reputation as a preferred choice in industrial automation. From manufacturing and material handling to renewable energy systems and marine environments, this drive excels in optimizing operational efficiency and productivity. The 1336 PLUS II Drive’s legacy of performance and reliability continues to make it a trusted solution for diverse industrial automation needs worldwide.