1. Siemens
LOGO and S7-200 are ultra-compact PLCs suitable for single-machine control or small system control, applicable in various industries and scenarios for automatic detection, monitoring, and control.
S7-300 is a modular small PLC system that can directly control equipment and monitor multiple lower-level programmable controllers. It is also suitable for medium or large control systems, meeting the performance requirements of medium applications.
S7-300 is aimed at small to medium systems, with modules expandable up to 32, and the backplane bus is integrated within the modules. Its network connections are mature and popular, with MPI and Industrial Ethernet, making communication and programming simple, with many options available, and can be configured and parameterized using tools.
S7-400: The main difference from S7-300 lies in the hot start (wrst) feature; otherwise, they are basically the same. It also has an external battery power interface that can provide backup power to RAM during online battery replacement.
S7-1200 is a compact PLC, the upgraded version of S7-200, characterized by modularity, compact structure, and comprehensive functionality, suitable for various applications, ensuring long-term security of existing investments.
S7-1500 is a new generation of medium and large PLCs, significantly improving various indicators compared to S7-300/S7-400. It is designed for mid-to-high-end equipment and factory automation, providing users with ample resources and ultra-high-speed processing capabilities, with excellent system performance, integrating a range of functions including motion control, industrial information security, and fault safety functions for convenient and secure applications.
2. Mitsubishi
FX1S: Mitsubishi PLC is an integrated small unit type PLC with complete performance and communication functions for expansion. It is an ideal choice considering installation space and cost.
FX1N: A powerful popular PLC launched by Mitsubishi Electric, featuring expandable inputs and outputs, analog control, communication, and linking functions. It is widely used for general sequential control.
FX2N: At that time, it was the most advanced series in the FX family of Mitsubishi PLCs, featuring high-speed processing and expandable special function modules to meet individual needs, providing maximum flexibility and control capability for factory automation applications.
FX3U: A new third-generation Mitsubishi PLC recently launched by Mitsubishi Electric, arguably a small supreme product. Basic performance has been significantly improved, with the transistor output type basic unit built-in with a 3-axis independent positioning function up to 100kHz, and new positioning instructions added, making the positioning control function more powerful and user-friendly. The FX3U series products replace the FX2N.
FX3G: A new third-generation Mitsubishi PLC recently launched, with the basic unit featuring two high-speed communication interfaces (RS422 & USB), built-in up to 32K large capacity memory, and a basic instruction processing speed of 0.21μs in standard mode, controlling scales of 14 to 256 points (including CC-LINK network I/O), with easy positioning function setup (up to three axes).
Q Series: Large PLC, the Q series products meet high performance and low-cost requirements. Mitsubishi Electric Automation has launched the economical QUTESET type Mitsubishi PLC, which includes a 5-slot Q00JCOUSET with 64 points of high-density mixed units. Another model, the 8-slot Q00JCPU-S8SET, includes 2 blocks of 16-point digital input and 2 blocks of 16-point digital output, fully compatible with Q00J performance indicators and fully supports software such as GX-Developer, offering excellent cost-effectiveness.
FX5U Series: Though small, it is refined, with a system bus speed significantly increased by 150 times compared to previous products FX3U, with a maximum of 16 intelligent expansion modules, built-in 2 input 1 output analog function, built-in Ethernet interface, and 4-axis 200kHz high-speed positioning function.
3. Omron
NX7: Integration of motion control, PLC, safety, image sensors, and HMI.
NX1: Balances information utilization, safety measures, quality management, and production efficiency.
NX1P: A Sysmac entry-level model integrating high-function motion control and IoT networking.
NJ: Integration of motion, PLC, and vision control.
CP: An integrated PLC with built-in pulse output, analog input/output, and serial communication functions.
CJ1: Necessary functions for comprehensive automation control and process control, with a bottomless structure, more flexible small PLC.
CJ2: Inherits all functions of CJ1 and has been completely upgraded in performance and functionality.
CS1: A programmable medium PLC composed of rich CPUs and high-function units integrating automation control and process control.
C200HX/C200HG/C200HE: Programmable medium PLCs realizing the intelligence and informatization of production sites.
CPM: An integrated controller that packages a touchscreen and a controller together.
PLC Process Control: A PLC instrument system that integrates sequential control and process control, achieving the most suitable system for application combinations.
4. Panasonic
FP0R: Ultra-high-speed processing speed (80ns/step). Program capacity of 32K steps. Standard equipped with programming port USB2.0.
FP0H: Suitable for small devices! Position control RTEX unit, equipped with dual-port Ethernet.
FP7: Remote I/O unit.
FP-X0: A new generation of multifunctional, economical PLC. The body is equipped with a relay and transistor mixed output. Introduced a new control unit suitable for the automated parking industry.
FP-XH: New FP-XH universal control unit AFPXHC38AT.
FPΣ: Ultra-compact, high performance. Maximum input/output can reach 384 points. Program capacity of 32K steps, ensuring ample comment area. Configured with RS485 port, simple temperature regulation.
FP0: Standard model of ultra-compact PLC. Maximum input/output can reach 128 points. Rich expansion units available for A/D, D/A, thermocouples, I/O linking, etc.
FP2SH: Scanning time of 1ms/20k steps, achieving high-speed processing in high-performance mode.
FP-X: Equipped with standard USB port, high program capacity of 32K steps, ensuring ample comment area, with Tr output as pulse output, built-in 4 axes.
BX: Board-type controller, beneficial for system black-boxing. Corresponds to ladder diagram programming language board-type controller. Analog output board, relay output board.
5. Keyence
KV-Nano: Reasonably priced packaging type, high-speed, fully functional PLC…
KV-7000: A new speed and storage beyond PLC common sense, communication KV-X COM positioning, and motion control system KV-X MOTION with up to 8 languages stored soft元…
KV-5000/3000: CPU unit KV-5000/3000[NEWS] Real-time PLC KV-5000 Ver.2/3000 Ver.2 new features …
Visual KV: Compact design PLC easy to expand, convenient for using Ladder Builder software, user-friendly design Visual KV is a high-speed compact device, is…
KV-P: KV-P series Japan Keyence PLC with a three-color information display panel • This product is the fastest in its category, with the lowest scanning time of 140…
KZ: Keyence’s KV series offers several applicable expansion units to increase I/O numbers. With the KV series, it is easy to expand the number of I/O ports. The world’s smallest PLC! Several expansion options at 20kHz…
KV-1000: The fastest in the industry to accelerate performance and ease of operation control. Equipped with a dedicated ladder diagram engine “KV-VELOCE※” and the newly developed 32-bit dedicated ladder diagram engine “KV-VELOCE”, through cooperation with 32…
KV-M: Adopts “Motion Flow”, can reduce program working hours • Only one unit is needed for synchronous control • Adopts BUS SYSTEM, can exert CPU’s high-speed performance.
6. Delta
ES: Series with high cost performance, can achieve sequential control.
EX: Series with digital and analog I/O, can achieve feedback control.
EH2: Series with digital and analog I/O, can achieve feedback control.
PM: Series can achieve 2-axis linear/circular interpolation control, with a maximum pulse output frequency of 500kHz.
SA: Series with memory capacity of 8k steps, strong computing power, can expand 8 function modules.
SC: Series with 100k Hz high pulse output and 100k Hz pulse counting.
SS: Series lightweight, can achieve basic sequential control.
SX: Series with 2 analog input and 2 analog output, and can expand 8 function modules.
SV: Series lightweight, adopts CPU+ASIC dual processors, supports floating-point operations, with the fastest instruction execution speed of 0.24μs.
7. Xinjie
XC1 (Economy Type) (Control Points: 10/16/24/32) small point control system, suitable for general application scenarios, relatively simple functions, can perform logic control, data computation and other general functions.
XC2 (Basic Type) (Control Points: 10/16/24/32/42/48/60) has general data processing, high-speed counting, high-speed pulse output, communication and other functions, with faster processing speed, equivalent to XC3 series 2 times, slightly fewer registers, can meet most needs, cannot expand modules, but can connect BD boards for temperature control (except 14/16/42 points).
XC3 (Standard Type) (Control Points: 14/24/32/42/48/60) standard model in the XC series, fully functional, in addition to general data processing functions, also has high-speed counting, high-speed pulse output, standard clock, communication (Modbus RTU/ASCII), PWM pulse width modulation, frequency measurement, precise timing, interrupts and other functions, with faster processing speed (about 12 times that of the XC series), all models support expansion modules (10), BD boards (1-2 blocks) and left expansion modules (1 block) connections, can meet various usage requirements.
XC5 (Enhanced Type) (Control Points: 24/32) in addition to all functions of XC3, also supports 4-axis pulse output, expansion module and BD board connections, and has larger internal resource space.
XCM (Motion Type) (Control Points: 60) can achieve 10-axis pulse output, while supporting most functions of normal PLCs, such as high-speed counting, interrupts, PID control, etc., does not support expansion modules, but supports BD board connections.
XCC (High Performance) (Control Points: 24/32) faster instruction processing speed, supports up to 5 channels of pulse output, 5 channels of AB phase high-speed counting, supports basic motion control instructions, can achieve two-axis linkage, interpolation, tracking, coordinate transformation, and also supports most functions of normal PLCs, including high-speed pulses, high-speed counting, interrupts, PID control, etc., supports expansion modules and BD board connections.
Includes XD2 (Basic Type) (Control Points: 16) basic model in the XD series, with basic functions, in addition to general data processing functions, also supports high-speed pulse output, high-speed counting, communication, pulse width modulation, frequency measurement, precise timing, interrupts and other functions, with faster processing speed (about 12 times that of the XC series), can meet basic needs, but does not support external expansion modules and BD, ED expansions.
XD3 (Standard Type) (Control Points: 16/24/32/48/60) standard model in the XD series, fully functional, in addition to general data processing functions, also has high-speed counting, high-speed pulse output, standard clock, communication (Modbus RTU/ASCII), PWM pulse width modulation, frequency measurement, precise timing, interrupts and other functions, with faster processing speed (about 12 times that of the XC series), all models support expansion modules (10), BD boards (1-2 blocks) and left expansion modules (1 block) connections, can meet various usage requirements.
XD5 (Enhanced Type) (Control Points: 24/32/48/60) in addition to all functions of XD3 series, has faster processing speed (about 15 times that of XC series), with larger internal resource space. The body is equipped with a serial port, a USB download port, and all models support expansion modules (16), BD boards (1-2 blocks) and left expansion modules (1 block) connections.
XDM (Motion Control Type) (Control Points: 24/32/48/60) supports basic motion control instructions, can achieve two-axis linkage, interpolation, and other functions, can achieve 4-axis independent pulse output, supporting up to 10-axis pulse output, while supporting almost all functions of standard PLCs, such as high-speed counting, interrupts, PID control, etc., has faster processing speed (about 15 times that of XC series), can insert SD cards for data storage, the body has a serial port, a USB download port (supports high-speed download, monitoring, speed can reach 12M), all models support expansion modules (16), BD boards (1-2 blocks) and left expansion modules (1 block) connections.
XDC (Motion Control Type) (Control Points: 24/32/48/60) has faster processing speed (about 15 times that of XC series), supports floating-point operations, supports up to 2 channels of pulse output, 4 channels of AB phase high-speed counting, while supporting almost all functions of standard PLCs, such as high-speed counting, interrupts, PID control, etc., all models support expansion modules (16), BD boards (1-2 blocks) and left expansion modules (1 block) connections, can insert SD cards for data storage, the body has two serial ports, supports motion control bus, while controlling 20 axes to run through the bus.
XG1 Series: The XG1 series is Xinjie’s latest modular medium PLC, targeting the domestic high-end market. Its powerful features include:
(1) Strong support for motion control functions;
(2) Comprehensive improvement in CPU processing speed;
(3) Higher reliability;
(4) New Ethernet communication port, convenient and quick, powerful functions, more adaptability.
XL3 Series is a new ultra-thin PLC launched by Xinjie, characterized by:
(1) Ultra-thin appearance, compact and practical, suitable for various industrial environments;
(2) Excellent compatibility;
(3) Supports up to 10 expansion modules;
(4) Outstanding cost performance; (5) Saves installation space.
8. Schneider
Twido: Small PLC, can complete general automation tasks, slightly weaker performance than Siemens S7-200, programming platform is TwidoSoft or TwidoSuite.
M218: Small PLC, can complete general automation tasks, slightly weaker performance than Siemens S7-200, programming platform is SoMachine.
M238: Small dedicated PLC for OEM automation, can complete more complex OEM automation tasks, performance close to Siemens S7-200, programming platform is SoMachine.
M258: Medium PLC, performance close to Siemens S7-300, but with structural differences, more similar to products from Beijiale, Beifu, Wanke, programming platform is SoMachine.
M340: Medium PLC, performance close to Siemens S7-300, programming platform is Unitry.
Premium: Medium PLC, performance close to Siemens S7-300, new programming platform is Unitry, previously PL7 Pro.
Quantumn: Large PLC, performance close to Siemens S7-400, new programming platform is Unitry, previously Concept.
Neza: Small PLC, Modicon Nano’s Chinese version, programming platform is PL707.
Micro: Small PLC originally aimed at small automation applications, programming platform is PL7.
984: Large PLC, the previous generation of Modicon Quantumn.
9. AB (Rockwell)
ControlLogix Series: This is AB’s most powerful large PLC system, with a modular structure, supporting hot swapping, redundancy, infinite I/O, supporting EtherNet/IP, ControlNet, DeviceNet and other network communications, supporting sequential control, motion control, drive control, and process control, with very powerful functions and wide applications. Recommended for large projects.
CompactLogix Series: This is AB’s medium PLC system, with a modular non-rack structure, not supporting hot swapping, supporting EtherNet/IP, ControlNet, DeviceNet and other network communications, supporting sequential control, motion control, drive control, and process control. It is said that AB replaces the SLC500 series with this series, but customer acceptance is not high. On the one hand, large systems have ControlLogix, while small and medium systems have the long-term practical application of the slightly cheaper SLC500, making its promotion difficult.
FlexLogix Series: Distributed system, supporting hot swapping, used for distributed applications in equipment sites. You can choose the processor to use as an independent distributed controller, or choose the communication adapter with I/O as a distributed I/O station. Using Flex I/O distributed stations can reduce project costs.
SLC500: Small control system, modular rack structure, not supporting hot swapping, widely used.
MicroLogix: Micro control system, divided into four series: MicroLogix1000, 1100, 1200, 1500, among which 1100 is newly launched, with an integrated Ethernet communication port.
10. GE-Fanuc
90TM Micro PLC: A member of the GE FANUC series 90TM PLC family. Its compact physical design, easy installation method, powerful control functions, and highly competitive price can be used in many budget-tight, low-cost small-scale control scenarios.