Product Description
1. AKZ Multi Turn Electric Actuator Overview
AUKOMA intelligent electric actuators integrate the pinnacle of global design and manufacturing innovations. With a sleek, non-invasive structure, they feature fully digital integrated chips, torque sensor detection technology, and magnetoelectric encoder stroke technology. The bilingual LCD screen offers the choice of both Chinese and English, complemented by infrared remote control and Bluetooth communication capabilities. The solution fully optimizes control beyond even renowned international brands, perfectly aligning with the automation control demands of the domestic market. In the realms of power, petrochemical industries, environmental protection, metallurgy, and water treatment, AUKOMA stands as the eminent choice for valve control solutions.
2. AKZ Multi Turn Electric Actuator Specifications & Functions
2.1 Magnetoelectric absolute encoder technology and power-off valve position display technology
The AUKOMA series showcases a proprietary absolute encoder capable of detecting up to 4000 turns, with a single-turn precision of 4096 positions, totaling 24 bits for absolute position travel detection. It employs an ingenious low-power battery circuit, ensuring valve position visibility even after main power loss. This magnetoelectric encoder boasts a streamlined design, robust performance, enduring longevity, and exceptional accuracy. When the main power is disrupted, the battery solely powers valve position display. Remarkably, even if the battery depletes, absolute encoding technology continues to track valve position changes via the handwheel, significantly enhancing system stability.
2.2 Torque pressure sensing detection technology
Utilizing cutting-edge torque pressure sensing detection technology, prevalent in advanced intelligent electric actuators, AUKOMA electric actuators perform dynamic real-time high-precision torque detection. This proven technology, validated through industrial trials, delivers precise and consistent torque measurements, unaffected by fluctuations in frequency, voltage, or temperature, ensuring unparalleled performance reliability.
2.3 One-screen dual-display LCD technology
The LCD technology features a bespoke screen employing one-screen dual-display capability. The upper section, a low-power segment code LCD, readily exhibits valve position and alarm symbols; the lower section, a graphic dot matrix LCD, showcases operating details and parameter settings. Users can toggle between Chinese and English interfaces, offering global usability. This dual-display technology enhances machine reliability and address stability issues across both displays, elevating overall system dependability.
2.4 Communication control and monitoring technology
The Bluetooth communication feature enables seamless remote actuator control via computers or smartphones, facilitating both local and remote diagnostics using the provided intelligent remote control software, offering unmatched convenience and efficiency.
2.5 Double seal and non-intrusive technology
With an IP68 protection rating, the design is fully waterproof and dustproof. The 'double seal' mechanism ensures robust safeguarding of internal components, complemented by an optional protective cover for the operating knob, particularly beneficial for outdoor use. This knob panel side protection aligns with the highest standards of safety and convenience.
All parameter settings and commissioning tasks are executed without the necessity of removing the box cover, utilizing a magnetic control knob, infrared remote, or handheld PDA for effortless operation and adjustment.
2.6 Comprehensive protection and self-diagnosis function
a. Automatic phase sequence correction: The system intuitively adjusts the phase sequence to ensure the three-phase motor consistently maintains the correct power phase sequence, preventing potential valve damage from improper power connections.
b. Phase Loss Protection: Safeguard your operation with our superior phase loss protection. When a three-phase motor encounters phase loss, it risks overheating and damage. Our advanced controller meticulously monitors all three power phases, promptly halting motor activity when a phase is lost. If the motor is idle, it will be prevented from activation, ensuring complete protection. An immediate alarm is displayed on the intuitive on-site LCD screen, and remote alerts are available through configurable indication contacts.
c. Torque Protection: Customize your safety settings with our torque protection feature. Users can set specific protective values for over-torque conditions during valve opening and closing, adjustable between 40-100% of rated torque. Should the electric actuator's torque meet or exceed your set threshold, the motor ceases operation instantly, and an alert is activated, ensuring equipment longevity and safety.
d. Motor Stall Protection: Experience real-time safety with our motor stall protection. Continuous monitoring of the motor current allows immediate stoppage if a stall is detected, preserving both the motor and actuator from potential harm.
e. Valve Stuck Protection: Overcome valve obstructions effortlessly with our valve stuck protection. When an actuator reaches its closed limit and initiates an opening action, torque protection is momentarily paused to apply maximum motor torque. If the valve remains unresponsive after this effort, the motor's power supply is terminated, preventing any damage.
f. Motor Overheat Protection: Ensure optimum performance with our motor overheat protection. Our dual temperature regulators continuously monitor the motor coil's temperature, disconnecting the actuator's control circuit when overheating is detected, thus safeguarding equipment health.
g. Instantaneous Reversal Protection: Protect your equipment with our instantaneous reversal protection. In the event of a sudden reversal command, our automatic delay circuit prevents unnecessary load impacts on the valve stem and gearbox, also regulating surge currents via the contactor.
h. Automatic Self-Detection and Diagnosis (ASTD): Stay ahead with our state-of-the-art ASTD function. Upon powering the actuator, the system conducts automatic operational circuit checks, ensuring seamless functionality. For rare malfunctions, diagnostic icons illustrate issues on-screen, while prohibiting electric operations to facilitate efficient maintenance.
i. Data Record Protection: Guarantee data integrity with our data record protection. Upon power loss, the EEPROM securely stores various actuator parameters for up to 20 years, ensuring no valuable data is ever lost.
j. Surge Protection (Lightning Arrester): Equip your system for the unexpected with our surge protection options. Choose from AC power surge protectors or signal surge protectors to defend against lightning strikes and surges, ensuring robust protection for your valve actuator.
k. Anti-Condensation Heating Protection: Combat condensation with our anti-condensation heating feature. Selective activation of heating resistors within the electrical cavity provides reliable protection against moisture buildup, safeguarding actuator performance.
2.7 Local Control
AUKEMA actuators offer intuitive control with two non-intrusive magnetic knobs. The mode knob features 'local,' 'remote,' and 'stop' settings, while the operation knob controls 'open' and 'close' actions. In 'local' mode, simply turn the operation knob to 'open' or 'close' for direct actuator control. Choose between 'jog' and 'hold' modes for precise local operation.
2.8 Remote Control
Seamless integration with your system is possible by connecting the actuator to DCS or PLC through hard-wired cables. Control the actuator with manual switch quantities or automatic current quantities, offering flexibility and precision.
Remote switch quantity control includes three inputs: valve opening, valve closing, and stop/hold. Choose between inching and holding modes for tailored operations. Additional auxiliary controls like emergency protection (ESD), valve opening interlock, and valve closing interlock provide enhanced safety. Optically isolated remote inputs withstand up to 2.5KV surge, ensuring reliable performance.
The remote analog quantity control utilizes advanced linear optocoupler isolation, empowering precise valve positioning based on a proportional input analog signal. Experience seamless integration and flawless operation with this innovative technology.
Our remote analog quantity valve position feedback system efficiently communicates valve positions back to the DCS or PLC using a reliable 4-20mA signal. Additionally, you have the option to select remote feedback of torque, ensuring comprehensive control and insight.
2.9 ESD Control
In critical scenarios, the ESD signal takes precedence over all local or remote signals (customizable via parameter settings), compelling the actuator to close or open the valve. The ESD action is versatile, allowing you to choose from 'close the valve,' 'open the valve,' or 'hold position' to suit your operational needs.
2.10 Interlock Control
For the most demanding operational needs, configure the actuator for conditional interlock control, ensuring unparalleled performance.
This mode activates based on two independent signals. For instance, providing both a remote close input signal and a close interlock input simultaneously results in the actuator closing the valve. If only one signal is available or lost, the actuator will maintain its position to avert potential failures. For scenarios necessitating ESD, a designated ESD input exists that overrides local or remote controls, ensuring absolute command when applied.
2.11 Diverse Fieldbus Connections
AUKOMA offers seamless integration with fieldbus digital control systems. Embrace open fieldbus protocols such as Profibus, Modbus, Hart, Foundation Fieldbus, and DeviceNet, all supported within the AUKEMA control suite. Plus, with groundbreaking access to industrial Ethernet via MODBUS TCP, you can bypass PLCs and connect directly to SCADA systems, streamlining your operations.
Enhance functionality by integrating a digital communication circuit board module from AUKEMA into the actuator's electrical cavity during production. This user-friendly approach effectively cuts costs. Moreover, a network test tool is available for protocol-specific module testing and configuration.
a. Profibus
In the realm of industrial automation, Profibus stands as the paramount network protocol for rapid data communication globally.
Profibus DP interface: Engage with RS485 Profibus DP VO and V1 protocols, or opt for DP V2 bus protocol as needed. Choose single or dual redundant bus options, fully adhering to the EC61158-3 standard, with support for speeds up to 1.5Mbit/s.
b. Modbus
Modbus reigns as the most prevalent serial communication protocol across modern automation protocol applications.
AUKOMA's Modbus interface card facilitates connection of actuators to a two-wire RS485 network, enabling direct communication with the PLC or DCS via the Modbus RTU protocol. Control and monitor your networked actuators effortlessly.
Modbus interface: Employs RS485 two-wire RTU communication, compliant with international open system standards. Offers single and dual redundant options, with a built-in repeater module for demanding applications, reaching speeds up to 115KB.
Complementing this, MODBUS TCP communication over industrial Ethernet allows direct SCADA system connectivity, enabling communication and control without needing a PLC or controller.
c. Hart
HART (Highway Addressable Remote Transducer), launched by ROSEMOUNT in 1985, is an adaptable open communication protocol designed for high-speed channels between field intelligent instruments and control room equipment.
Hart interface: Conforms to the HART7.0 protocol standard, supporting Bell202 standard FSK frequency shift keying signals with carriers at 1200Hz and 2200Hz, and a communication rate of 1200b/S.
d. Foundation
In the dynamic realm of petrochemicals, Foundation Fieldbus stands as the most prevalent process control system, renowned for its capacity to facilitate remote deployment of control systems via Distributed Control Systems (DCS), setting a benchmark in efficiency and reliability.
Our Foundation Fieldbus interface is engineered for excellence, offering seamless direct connectivity with the standard Foundation H1 bus system. It adheres strictly to the stringent IEC61158-2 standard, boasting features such as Link Master and LAS functions. Its performance in the HI field is unrivaled, ensuring optimal control and communication.
e. DeviceNet
DeviceNet emerges as a robust open network standard, tailor-made for industrial environments where the CAN bus's primary functionalities are essential for efficient communication networks.
The DeviceNet interface is a powerhouse of connectivity, accommodating up to 63 devices per network, and utilizing a four-wire cable configuration (two for signal and two for power). It supports both Trunk and Drop lines and is equipped with an EDS Electronic Device Description File for streamlined integration.
3. AKZ Multi Turn Electric Actuator Working Environment and Main Technical Conditions
Technical parameters of switch type
The actuator operates on a working power supply of 380VAC±10% for three-phase, or 220VAC±10% for single-phase, with a frequency of 50/60Hz±1%, ensuring stable performance across various voltage conditions.
The switch input signal is set at 24VDC, accepting either pulse or level signals, with a minimal pulse duration requirement of 100ms, ensuring responsive and accurate control.
Switch output signals range from S1 to S10, with the relay output contact rated for a robust capacity of 5A@250VAC or 5A@30VDC, offering reliable performance for diverse applications.
Analog output features a 4~20mA position signal with a load capacity up to 750Q, fortified with photoelectric isolation and short circuit protection, maintaining stability despite temperature fluctuations of ±0.1%/10K.
Designed for versatility, the ambient temperature range is -30ºC to 70ºC, with custom options extending to -40ºC to 90ºC, while maintaining humidity levels at ≤95%, making it adaptable for extreme conditions.
The actuator offers a rated operational time of 10, 15, or 30 minutes, catering to various industrial requirements with precision.
With a motor insulation grade of F, the actuator is built to withstand rigorous operational demands, ensuring longevity and reliability.
Operating in the S2 motor working mode, it guarantees efficient and effective functionality tailored to your needs.
Boasting a protection grade of IP67 and IP68, the actuator is built to deliver performance excellence even in challenging environments, offering superior water and dust resistance.
The explosion-proof type adheres to the AK Series standards, with an explosion-proof grade of ExdlIBT4 and ExdlICT4, ensuring utmost safety in hazardous settings.
Our products are manufactured in compliance with GB/T 26155.2-2012 'Intelligent electric actuators for industrial process measurement and control systems Part 2: Performance evaluation methods', reflecting our commitment to quality and precision.
Adhering to GB/T 28270-2012 'Intelligent valve electric device', our products exemplify superior engineering and innovation, setting industry standards for intelligent devices.
Adjustable technical parameters
Flexible working power supply options include three-phase: 380VAC±10%, 50/60Hz±1%, and single-phase: 220VAC+10%-15%, single-phase 50/60Hz±1%. Special voltage configurations such as three-phase: 415V, 440V, 460V, 660V, 50/60Hz are also supported.
The analog input signal is standardized at 4~20mA with optical isolation, maintaining an input impedance of ≤250Q for precise and reliable control.
Analog output signal specifications include a 4~20mA position signal, with a maximum load capacity of 750Q, photoelectric isolation, and short circuit protection, ensuring consistent performance despite temperature variations of ±0.1%/10K.
Switch inputs are designed for 24VDC pulse or level signals, with a minimum pulse signal duration of 100ms, ensuring prompt and accurate switching.
Switch outputs feature S1 to S10 relay outputs, with contact rated capacities of 5A@250VAC or 5A@30VDC, offering reliable and robust operation.
Capable of operating in ambient temperatures ranging from -30ºC to 70ºC, with customizable options available up to -40ºC to 90ºC, and maintaining humidity levels at ≤95%, it is engineered for optimal performance in extreme conditions.
The actuator can handle adjustment start times reaching up to 1200 times per hour, showcasing its ability to adapt to high-frequency operation demands.
With a motor insulation grade of F, it is tailored to withstand high operational demands, ensuring durability and reliability for long-term use.
Operating in the S4 motor working mode, it is designed for frequent and extended operation, providing exceptional performance for demanding applications.
The actuator boasts a basic error rate of ≤1%, reflecting its precision and reliability in maintaining accurate control and operation.
Experience precision like never before with our state-of-the-art stroke control mechanism, boasting an impressive repeatability error of no more than 1%, ensuring unparalleled accuracy in every operation.
Enjoy the flexibility of our cutting-edge technology with an adjustable dead zone ranging from 0.1% to 9.9%, allowing for precise control tailored to your specific requirements.
Engineered for resilience, our product holds an exceptional protection grade of IP67 and IP68, providing robust defense against dust and water ingress in the harshest of environments.
Our AK series explosion-proof design offers superior safety, certified with explosion-proof grades ExdlIBT4 and ExdlICT4, ensuring reliable performance even under hazardous conditions.
This product proudly complies with the GB/T 26155.2-2012 standard, focusing on performance evaluation methods for intelligent electric actuators in industrial process measurement and control systems.
Assured compliance with GB/T 28270-2012, our intelligent valve electric device meets stringent standards, epitomizing excellence in design and functionality.
Product Parameters
4. AKZ Multi Turn Electric Actuator Models & Parameters
Introducing the AUKOMA multi-rotation intelligent electric actuators, available in two sophisticated control types: the AK intelligent switch type and the AKM intelligent regulation type. These state-of-the-art actuators are designed for maximum efficiency in controlling a variety of valves, including stop valves, gate valves, throttle valves, and water gate valves. As a cutting-edge solution in valve control technology, they represent a new generation of valve control expertise.
AK, AKM three-phase performance data |
Model |
Output torque
(Nm) |
Output speed
(rpm) |
Voltage
(V) |
Phase
(Ph) |
Frequency
(HZ) |
Nominal power
(KW) |
Rated current
(A) |
Reference weight
(KG) |
AK18 |
100 |
18 |
380 |
3 |
50 |
0.25 |
0.76 |
30 |
24 |
380 |
3 |
50 |
0.25 |
0.76 |
36 |
380 |
3 |
50 |
0.37 |
1.07 |
48 |
380 |
3 |
50 |
0.37 |
1.07 |
150 |
18 |
380 |
3 |
50 |
0.37 |
1.07 |
24 |
380 |
3 |
50 |
0.37 |
1.07 |
36 |
380 |
3 |
50 |
0.55 |
1.54 |
48 |
380 |
3 |
50 |
0.55 |
1.54 |
AK25 |
200 |
18 |
380 |
3 |
50 |
0.55 |
1.54 |
46 |
24 |
380 |
3 |
50 |
0.75 |
1.99 |
36 |
380 |
3 |
50 |
1.1 |
2.8 |
48 |
380 |
3 |
50 |
1.1 |
2.8 |
300 |
18 |
380 |
3 |
50 |
0.75 |
1.99 |
24 |
380 |
3 |
50 |
1.1 |
2.8 |
36 |
380 |
3 |
50 |
1.5 |
3.65 |
48 |
380 |
3 |
50 |
1.5 |
3.65 |
AK35 |
500 |
18 |
380 |
3 |
50 |
1.5 |
3.65 |
69 |
24 |
380 |
3 |
50 |
1.5 |
3.65 |
36 |
380 |
3 |
50 |
2.2 |
5.05 |
48 |
380 |
3 |
50 |
2.2 |
5.05 |
600 |
18 |
380 |
3 |
50 |
1.5 |
3.65 |
24 |
380 |
3 |
50 |
1.5 |
3.65 |
36 |
380 |
3 |
50 |
2.2 |
5.05 |
48 |
380 |
3 |
50 |
2.2 |
5.05 |
AK40 |
900 |
18 |
380 |
3 |
50 |
2.2 |
5.05 |
190 |
24 |
380 |
3 |
50 |
2.2 |
5.05 |
36 |
380 |
3 |
50 |
3 |
6.64 |
1200 |
18 |
380 |
3 |
50 |
2.2 |
5.05 |
24 |
380 |
3 |
50 |
3 |
6.64 |
36 |
380 |
3 |
50 |
4 |
8.62 |
AK70 |
1800 |
18 |
380 |
3 |
50 |
4 |
8.62 |
200 |
24 |
380 |
3 |
50 |
4 |
8.62 |
36 |
380 |
3 |
50 |
5.5 |
11.5 |
AK90 |
2500 |
18 |
380 |
3 |
50 |
4 |
8.62 |
203 |
24 |
380 |
3 |
50 |
5.5 |
11.5 |
36 |
380 |
3 |
50 |
7.5 |
15.3 |
AK95 |
3000 |
18 |
380 |
3 |
50 |
5.5 |
11.5 |
205 |
24 |
380 |
3 |
50 |
7.5 |
15.3 |
36 |
380 |
3 |
50 |
10 |
19.5 |
AKS single-phase actuator performance data |
Model |
Output torque
(Nm) |
Output speed
(rpm) |
Voltage
(V) |
Phase
(Ph) |
Frequency
(HZ) |
Nominal power
(KW) |
Rated current
(A) |
Reference weight
(KG) |
AKS18 |
100 |
18 |
220 |
2 |
50 |
0.2 |
1.7 |
30 |
24 |
220 |
2 |
50 |
0.2 |
1.7 |
36 |
220 |
2 |
50 |
0.2 |
1.7 |
150 |
18 |
220 |
2 |
50 |
0.2 |
1.7 |
24 |
220 |
2 |
50 |
0.2 |
1.7 |
36 |
220 |
2 |
50 |
0.2 |
1.7 |
AKS25 |
200 |
18 |
220 |
2 |
50 |
0.9 |
6.5 |
40 |
24 |
220 |
2 |
50 |
0.9 |
6.5 |
36 |
220 |
2 |
50 |
0.9 |
6.5 |
300 |
18 |
220 |
2 |
50 |
1.1 |
7.7 |
24 |
220 |
2 |
50 |
1.1 |
7.7 |
36 |
220 |
2 |
50 |
1.1 |
7.7 |
5. AKZ Multi Turn Electric Actuator Dimensions