Chapter 3 Keypad and Startup DD Series

3-1 Operation Method

The factory setting of VFD-DD series AC motor drive’s operation method is set to external terminal control. But it is just one of the operation methods. The operation method can be via communication, control terminals settings or optional digital keypad. Please choose a suitable method depending on application and operation rule.

Operation Method

Frequency Source

 

Operation Command Source

Operate from

Please refer to the communication address 2000H and 2119H settings in

communication

the communication address definition.

 

Control Terminals-

Operate from external

signal

24V

Door Open

Door Close

Open Limit Input

Close Limit Input

Door Open Speed Switch

Door Open Speed Switch

No Function

Digital Signal Common

NOT E

COM

OD CD MI1 MI2 MI3 MI4 MI5 DCM

Do not apply mains voltage directly

E

to the above terminals

 

Main circuit Output Terminal

Control Terminal

Shielded Leads & Cables

Figure 3-1

Multi-Functio n Input Ter minals

Digital Keypad

Figure 3-2

UP/DOWN key

RUN, STOP/RESET key

3-2

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3Com VFD-D D manual Operation Method, 24V
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VFD-D D specifications

The 3Com VFD-D D is an advanced networking solution designed to meet the demands of modern communication and connectivity. As part of 3Com's extensive portfolio of networking products, this device stands out due to its robust features, innovative technologies, and characteristics that cater to various enterprise environments.

One of the main features of the 3Com VFD-D D is its high-speed data processing capability. Operating at speeds that comfortably support high-bandwidth applications, the device is equipped to handle a multitude of simultaneous connections without compromising performance. This makes it an ideal choice for businesses where consistent, fast access to data is critical.

In terms of connectivity options, the VFD-D D supports a variety of protocols, allowing it to seamlessly integrate with existing infrastructure. Whether through Ethernet, Fiber Channel, or wireless technologies, the device offers versatility in connecting diverse network configurations. This adaptability ensures that organizations can optimize their network setups according to their specific requirements.

The 3Com VFD-D D also boasts advanced security features designed to protect sensitive data from potential threats. With built-in encryption protocols and secure access measures, the device safeguards information while offering administrators full control over user permissions. This heightened security is especially important in today's risk-laden digital landscape, providing peace of mind for organizations entrusting their data to the network.

Moreover, the VFD-D D is designed with scalability in mind. Its modular architecture allows businesses to expand their network capabilities as needed, ensuring that the device can grow alongside their evolving requirements. This flexibility helps organizations manage costs effectively while preparing for future technological advancements.

Another characteristic that sets the 3Com VFD-D D apart is its user-friendly management interface. Administration tasks can be performed quickly and intuitively, reducing the burden on IT staff while enabling efficient network monitoring and troubleshooting. With real-time analytics and reporting capabilities, organizations can gain valuable insights into their network's performance.

Overall, the 3Com VFD-D D combines speed, security, and scalability in a single device, making it a powerful addition to any enterprise network. Its advanced features and technologies are tailored to support the dynamic needs of modern businesses, ensuring reliable performance and robust connectivity in an increasingly interconnected world.
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