;Do NOT connect AC main power directly to the drive’s output terminals U/T1, V/T2

and W/T3.

;DO NOT use Hi-pot test for internal components. The semi-conductor used in the AC motor drive is easily damaged by high-pressure.

;A charge may still remain in the main circuit terminals with hazardous voltages, even when motor has come to stop.

;Only the qualified technicians are allowed to install, wire and maintain AC motor drive.

;Be aware of the motor that it may rotates as soon as the RUN key is pressed using an external digital keypad, DO NOT stand next to the motor.

;DO NOT install the AC motor drive in a place subjected to high temperature, direct

sunlight, high humidity, excessive vibration, corrosive gases or liquids, or airborne dust or metallic particles.

;Please regards the specification for AC motor drives installation. Failure to comply may result in fire, explosion or electric shock.

;When the motor cable between the AC motor drive and motor is too long, the layer insulation of the motor may be damaged.

;The rated voltage for the AC motor drive must be 240V and the mains supply current capacity must be 5000A RMS.

;If the AC motor drive is stored in no charge condition for more than 3 months, the ambient temperature should not be higher than 30 °C. Storage longer than one year is not recommended, it could result in the degradation of the electrolytic capacitors.

;Pay attention to the following when transporting and installing this package (including wooden crate, wood stave and carton box)

1.If you need to sterilize, deworm the wooden crate or carton box, please do not use steamed smoking sterilization or you will damage the VFD.

2.Please use other ways to sterilize or deworm.

3.You may use high temperature to sterilize or deworm. Leave the packaging materials in an environment of over 56for 30 minutes.

4.It is strictly forbidden to use steamed smoking sterilization. The warranty does not covered VFD damaged by steamed smoking sterilization.

NOTE

„Some of the graphics shown in this manual are the inner part of the drive after the cover is removed, when VFD-DD is in operation status, please make sure the cover and wiring are in the specified space as the manual indicates for personal safety.

„The drive customers received may be slightly different than the figures shown in the manual, this condition is normal and will cause no influences to the customer rights.

„Delta is always improving our products for greater efficiency; the content of this document may be modified or changed

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3Com VFD-D D manual

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.