UNITRONICS SM70-J-RA22 Plc Hmi SM70-J-R20/

( Brand: Unitronics ), ( Manufacturer Part Number: SM70-J-RA22 ), ( Country Of Origin: China )

Review UNITRONICS Sm70-j-r20/ Sm70jr20 Plc hmi

The Unitronics SM70-J-RA22, SM70-J-R20, and SM70JR20 are versatile Programmable Logic Controllers (PLC) and Human-Machine Interfaces (HMI) designed to meet the automation needs of various industries. These PLC-HMI combinations offer an all-in-one solution for process control, data monitoring, and operator interaction.

The SM70-J-RA22 and SM70-J-R20 models come with a 7-inch TFT color touchscreen HMI, providing high-resolution graphics with excellent visibility from a distance. The RA22 variant offers an additional 22 digital I/O points, while the R20 model includes 20 such points. Both versions support various communication protocols such as Modbus TCP/IP, EtherNet/IP, and PROFIBUS, ensuring seamless integration with other automation systems.

The SM70JR20 model features a 5-inch TFT color touchscreen HMI, making it a more compact and cost-effective option. It offers 20 digital I/O points. Like its larger counterparts, this model also supports various communication protocols.

All three models are based on the powerful Unitronics SM70 series PLC platform, which provides a wide range of functions, including ladder logic, function block diagram, instruction list, and structured text programming. They support up to 15,000 I/O points and offer a fast processing speed of 10ms, ensuring real-time control and data processing.

The SM70-J-RA22, SM70-J-R20, and SM70JR20 come with built-in Ethernet connectivity, enabling remote access and configuration. They also offer an SD card slot for data logging and backup purposes. The intuitive and user-friendly HMI interface allows operators to easily monitor processes, view historical data, and configure alarms.

These PLC-HMI combinations are suitable for various applications, including manufacturing, production lines, building automation, and laboratory automation. They offer a robust and reliable solution for automating processes, enhancing productivity, and improving overall operational efficiency.

Unitronics SM70-J-RA22 and SM70-J-R20/SM70JR20 PLC-HMIs (Programmable Logic Controllers with Human-Machine Interfaces) are popular choices for automation projects due to their affordability, flexibility, and ease of use. Here are some pros and cons to help you make an informed decision about purchasing these units.

1. Cost-effective: Unitronics PLC-HMIs offer a good balance between price and functionality. They are more affordable compared to high-end PLC-HMI systems, making them a popular choice for small and medium-sized projects.

2. Modular design: The SM70-J series comes in various I/O configurations, allowing you to select the one that best fits your project requirements. This modular design also makes it easy to expand the system as your project grows.

3. Easy programming: Unitronics uses a ladder logic programming language, which is widely used and easy to learn. Additionally, the HMI software is user-friendly and intuitive.

4. Compact size: The SM70-J-RA22 and SM70-J-R20/SM70JR20 have a compact design, making them suitable for installation in limited space applications.

5. Communication capabilities: These PLC-HMIs support various communication protocols, including Modbus, Ethernet, and RS-485, enabling seamless integration with other automation systems.

1. Limited processing power: The SM70-J series may not be suitable for complex control applications that require high processing power.

2. Limited HMI capabilities: While the HMI software is user-friendly, it may not offer advanced features found in more expensive HMI systems.

3. Limited touchscreen size: The SM70-J-RA22 comes with a 7-inch touchscreen, while the SM70-J-R20/SM70JR20 does not have a built-in HMI. Instead, it requires an external HMI, which may add to the overall cost.

Unitronics SM70-J-RA22 and SM70-J-R20/SM70JR20 PLC-HMIs are excellent choices for small to medium-sized projects that require affordable, easy-to-use automation solutions. Their modular design, compact size, and communication capabilities make them versatile and adaptable to various applications. However, they may not be suitable for projects with high processing requirements or advanced HMI features.

If you are looking for an affordable, easy-to-use PLC-HMI solution for your project, the Unitronics SM70-J series is a great option. Consider your project requirements, such as I/O configurations, processing power, and HMI capabilities, to determine which model best fits your needs. For projects that require a larger touchscreen, consider investing in an external HMI.

Details:

They may be wired in a group via single jumpers either non or NP. 12 Digital Inputs, include 3 HSC/Shaft-encoder Input, 2 Analog inputs 8 Relays Outputs may be used as digital. Inputs 1, 3, and 5 can function as either counter reset, part of a shaft-encoder,or normal digital inputs. Inputs 0, 2, and 4 can function as high-speed counters, part of a shaft-encoder,or normal digital inputs.

According to jumper settings and appropriate wiring: - Inputs 10 11 can function as either digital or analog inputs.

part #: sm70jra22 prices

• $179.90-$270.00

specifications plcmechanize:

• brand: Unitronics
• manufacturer part number: SM70-J-RA22
• country of origin: China

general plcmechanize:

• condition: New
• Industrial Automation Motion Controls > PLCs HMIs > PLC Processors

offer plcmechanize:

• sold: 0
• started: January 20, 2026
• availability: In Stock
• options: Ship-to-home
• best offers: True
• quantity: 1

shipping plcmechanize:

• type: Fixed
• carrier: USPS
• service: USPS Priority Mail
• cost: $10.00
• transit: 3-7 Days
• class: Expedited

seller plcmechanize:

• city: El Paso, Texas
• # reviews: 2778
• rating: 100.0%

returns plcmechanize:

• policy: No Returns

payments plcmechanize:

• credit card: Mastercard
• other
• wallet: Paypal

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