Knowledge

Frequency converter use and precautions

1. First confirm the installation environment of the inverter 1) Working temperature. The internal of the inverter is a high-power electronic component, which is highly susceptible

May 16, 2023

Modbus protocol instructions

Using RS485 communication interface, the baud rate is fixed at 9600, the data bits are 8 bits + 1 stop bit, no parity bit; the default local address is 63; the specific protocol is

May 16, 2023

Development trend of VFDs

With the expansion of the market and the diversification of customer needs, VFD products have been improving and increasing in functionality, integration and systemisation, and the

May 16, 2023

Inverter if standard wiring

1. Signal lines and power lines must be separated: when using analogue signals for remote control of the frequency converter, in order to reduce the interference of the analogue fr

May 16, 2023

Water pump controller features and scope of application

Water pump controller for water pumps: domestic centrifugal pumps, automatic self-priming pumps, jet pumps, garden pumps, clear water pumps, deep well submersible pumps, stainless

May 16, 2023

Schematic diagram of the water pump inverter inline

Schematic diagram of the water pump inverter inline

May 16, 2023

Common faults of frequency converters

1. Overcurrent faults Overcurrent faults can be divided into acceleration, deceleration and constant speed overcurrent. It may be caused by the acceleration and deceleration time o

May 16, 2023

What is the difference between a vector-specific type and a general-purpose i...

The two main differences between vector-specific and general-purpose inverters are the high precision of the control and the high output torque at low speeds. Vector-specific inver

May 16, 2023

How to select an inverter

The following points should be determined when selecting the frequency converter: 1. The purpose of using frequency conversion; constant pressure control or constant current contro

May 16, 2023

How to choose a swimming pool pump?

The swimming pool and SPA industry sector is increasingly booming, for the matching water treatment equipment products are also increasingly demanding, but for the basic product pu

May 16, 2023

How to choose the power and case construction of a variable frequency drive

When we need to choose the right type of variable-frequency drive (VFD), we need to decide which control method VFD is most suitable, depending on the type of production machinery,

May 16, 2023

Instructions of Connection and Operation for Multiple Pump Connection

1. We can connect maximum 6 sets of variable frequency water pumps. Connection for 6 sets of VFD water pumps: Connect the 485 socket terminal of the display board with the 2P cable

May 16, 2023