SIEMENS ROLM 9751 Node Controller

( Brand: Siemens Rolm ), ( Manufacturer Part Number: 9751 ), ( Part Type: Controller ), ( Country/region Of Manufacture: United States )

Review SIEMENS ROLM Node Controller

The SiemensROLMA negotiated Overlap Line Master Controller 9751 is a versatile and powerful automation solution designed for applications that require precise control and coordination of motor starters, contactors, and other electrical devices. This innovative controller is an essential component of the Siemens R Femed drives system and offers numerous features that make it an ideal choice for larger installations in industries such as industrial manufacturing, oil and gas, water and wastewater treatment, and others.

The 9751 controller includes extensive input and output (I/O) capabilities, enabling it to manage up to 255 input channels and 128 output channels in standard setup. This can be expanded using multiple controllers or communication interfaces. It features SCALANCE secured communication via PROFIBUS DP or PROFINET IO, ensuring secure, fast, and reliable data exchange between the controller and other devices in the network.

This advanced controller also boasts an impressive performance, with a cycle time of only 3.2 ms for stopping functions and a maximum switching frequency of 30 kHz for H1 contactors. It features two operating modes: conventional mode for standard applications, and PID vector control mode for optimal motor control in regulated applications. This flexibility allows for a broad range of applications, from simple sequencing tasks to advanced control of pumps, fans, compressors, and other rotating machinery.

The 9751 controller's rugged construction and wide temperature range make it suitable for harsh operating conditions. It is certified for use in hazardous areas up to Ex d IIC T4 and Ex e IIC T4, ensuring safe operation in potentially explosive environments. Moreover, it has an operating temperature range of -40 C to 70 C (-40 F to 158 F), providing robust performance even under demanding conditions.

In terms of connectivity, the 9751 offers integrated communication interfaces such as Ethernet, USB, and RS-232. It supports various protocols like ModbusTCP, EtherNet/IP, and OPC UA for seamless data exchange with other systems and control platforms, enhancing the interconnectivity and functionality of your automation system.

The Siemens ROLMA 9751 controller's feature-rich design, coupled with its rugged construction and extensive connectivity options, make it an indispensable component for complex industrial automation applications. It ensures optimal motor control, improved process efficiency, and increased safety in various industries.

The Siemens S7-1200 ROM Node Controller 9751 is a programmable logic controller (PLC) designed for small to mid-sized automation applications. While each organization's specific requirements determine the ideal hardware choice, we will outline key pros and cons to help you consider whether this PLC might suit your project.

1. Compact design: The ROM node controller 9751 has a small form factor, which makes it an excellent choice for space-constrained environments or applications where size is essential.

2. Cost-effective: The ROM node controller offers cost savings since it can be used in conjunction with a processor to build a decentralized solution. This approach reduces the parts count and cabling needed, lowering overall system costs.

3. Easy integration: Siemens' wide-ranging product portfolio and global reputation make it a popular choice. The integration of the 9751 into a larger Siemens automation system is generally seamless.

4. Wide range of input/output (I/O) support: The controller comes with several I/O options, including digital, analog, and communication interfaces like Profibus DP and PROFIBUS PA. This versatility ensures compatibility with various devices and controls systems.

5. Open Platform: The controller can be programmed using industry-standard programming software, such as Siemens TIA Portal, which is widely used and offers extensive documentation and libraries.

1. Limited processing power: With lower processing capacity compared to larger PLCs, the 9751 may struggle to handle complex applications requiring significant algorithmic processing or extensive network communication.

2. Limited memory: Its limited memory might not accommodate advanced or extensive control logic for larger applications, which could lead to frequent updates or upgrades to meet growing demands.

3. Limited communication interfaces: The 9751 only provides limited communication interfaces compared to some other PLCs. It supports Profibus DP, PROFIBUS PA, and some other basic communication protocols. Companies with diverse automation systems or those exploring Industry 4.0 connectivity options may require more extensive communications support.

4. Software licensing: Depending on the software packages you need, you might face additional expenses, as some software modules or extensions are not included in the base license.

The Siemens S7-1200 ROM Node Controller 9751 is a cost-effective, versatile, and space-saving solution for small to mid-sized industrial automation applications with straightforward control logic requirements. The controller's compact design and integration with comprehensive Siemens tools make it an attractive choice for businesses utilizing similar equipment.

However, this PLC generally has limited processing power and memory capacity, making it unsuitable for advanced applications with significant computational needs. Its limited communication interfaces may also lack the extensivity required to meet modern industry connectivity demands.

For organizations seeking a compact and cost-effective PLC with decent integration capabilities for straightforward applications, the Siemens S7-1200 ROM Node Controller 9751 is a solid choice. However, it is crucial to consider the specific control logic and communication requirements in weighing the pros and cons of this controller for larger, more complex automation applications. If higher processing power, more memory, more advanced communication support, or greater flexibility are priorities, it might be wiser to consider other, more powerful PLC alternatives or additional CPU capacity within the Siemens S7-1200 series.

Details:

Siemens Rolm node controller 9751 unit is in used working condition. No hard drive included. Includes all cards shown in machine.

specifications tecomsy:

• brand: Siemens Rolm
• mpn: 9751
• part type: Controller
• country/region of manufacture: United States

Seller tecomsy:

• zipcode: 68505
• city: Lincoln, Nebraska

Returns tecomsy:

• policy: no returns

Payments tecomsy:

• PayPal

Shipping tecomsy:

• cost: $49.88
• handling: 2 days
• type: Flat

Ratings:

1. As described, good 07-05-17
2. Test pass, thanks you, PS is not correct but ok, lucky not plug in 06-30-17
3. fast delivery 06-22-17
4. AAA QUICK SHIPPING THANKS 06-28-17
5. Thank you. ! AAAAAAAAA 07-13-17

General tecomsy:

• in stock: Yes
• business office telecom systems
• condition: Used

Offer tecomsy:

• Sold: 0
• Started: July 18, 2017, 11:36 am
• quantity: 1
• best offer: true
• bids: 0

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