Replacing a Schneider Altivar with Veichi: step-by-step terminal and parameter migration
The power section of a Schneider Altivar and a Veichi is wired the same way: mains to R/S/T, motor to U/V/W, P...
Articles about: Wiring
Shielding a 4-20mA sensor: which end to ground, 15 cm separation
A pressure or flow sensor in pump automation almost always outputs a 4-20 mA current signal. On Veichi it is w...
VFD grounding and stray voltage on the enclosure (PE, >5V)
A fairly common complaint after installation: voltage "tingles" on the motor housing, the cabinet or the drive...
PLC jumper on Veichi: wiring PNP/NPN sensors and pushbuttons
On the control board of Veichi AC10 (from 7.5 kW) and AC310 three terminals sit side by side: +24V, PLC and CO...
COM or GND: why the buttons do not work on a Veichi VFD
A typical picture after installation: the Veichi VFD starts from the keypad, the parameters are entered, but t...
Replacing a European VFD with Veichi: NPN/PNP, PLC jumper, COM vs GND
The most common scenario when replacing a European drive (Schneider Altivar, Siemens, LS, Danfoss) with Veichi...
Connecting and Inverting a 4-20mA Pressure Sensor to a Veichi VFD
In industrial water supply and heating automation systems, a variable frequency drive controls the pump based...
Connecting an External Potentiometer to Veichi AC10/AC310 VFD
To control motor speed manually from the control cabinet door, it is most convenient to connect an external po...
