Hitachi industrial SJ700B AC Variable Speed Drives outperforms on performance, capabilities and functions of its predecessor, the Hitachi L700. The industrial SJ700B Series inverters come with improved sensorless vector (SLV) control algorithm, which allows SJ700B Series inverters to develop 150% torque at 0.5 Hz, ideal for wide range of applications. Another key upgrade in the SJ700B inverters (SJ700B AC Variable Frequency Drives) is Hitachi’s EzSQ (Easy Sequence) built-in programming function, which provides the functionality of a PLC built into the inverter. Following are some of the key features of Hitachi industrial SJ700B Series AC Variable Speed Drives.
Hitachi SJ700B-300HFUF AC Drive
Hitachi SJ700 Series VFDs reasserts its technological leadership with an improved features. The SJ700B also incorporates true servo-like position control, offering a low-cost motion control solution. Mated with a general-purpose induction motor with an encoder, the SJ700B is given a position command, speed command, and acceleration/deceleration times. The shaft moves from position A to position B following the defined profile and then maintain the shaft in servo lock status.
Hitachi has also greatly simplified the auto-tuning process, making commissioning trouble-free. Enhancement in the SJ700B is Hitachi’s EzSQ (Easy Sequence) built in programming function. It is similar to having a PLC built into the inverter! In many cases, the need for a separate PLC can be eliminated. The program is developed on a PC and then downloaded to the inverter using the simple to use software provided at no charge.
Input voltage: 380-480 volt, 3 phase, 40 HP
MODEL NO. SJ700B-300HFUF
Easy operation and setup by standard keypad (shown) or optional PC-based ProDriveNext configuration software
Drop-in replacement for L700( L300P in most cases)
V/Hz CT & VT, PLUS Sensorless Vector (SLV) control modes
Modbus/RTU standard – communication options available for networks suchs as Ethernet, DeviceNet, LONworks (others planned)
Wide range of application-specific functions for optimal performance: auto energy saving functions; intelligent terminal system; removable circuit terminals
EzSQ Internal PLC-like controller
Internal DB transistor up to 30 kW (40 hp)
EMC filter (C3) integrated up to 160 kW in 400V and 75 kW in 200V
Easy to set up, operate & maintain
NEMA1-style Conduit Box Optional
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