... drive (VFD AC drives ) for AC motors as speed controller and energy saver 380Vac 3 PHASE vector control commodity: VFD AC Drives = ... current, voltage, speed, time, and PID data. 2. Independent cooling channel design. This is good for applications like printing, textile, cement and ... severe environments exist. 3. Multipul control terminal, 7 DI, 4 DO, 4 AI, 2 AO, RS-485. 4. Instant power off continue ...