Partech Industries, Inc.

The J7 drive is a general purpose drive for use with squirrel cage induction motors. This PWM design provides low motor noise and high starting torque. The current overload rating is 150% for 60 seconds. V/f control makes this drive suitable for most general applications.

The J7 is feature-packed, low cost and compact. The digital operator includes a 3-digit LED status display and an analog speed potentiometer. Digital programming covers 79 parameters suitable for many applications. The four standard multifunction inputs can be programmed to allow for 9 preset speeds. The J7 also has an analog input, a multifunction output, and an analog output as standard.

DriveWizard is one of the outstanding options for the drive. This software enables upload, download, and monitoring of drive parameters.

An optional RS-485 Modbus RTU serial communication port is available with up to 32 nodes on a single network.

The J7 is ideal for applications such as conveyors, grinders, centrifuges, pumps, fans and blowers used in material handling, packaging, food processing, and commercial laundry.

The J7 is available in protected chassis models from 1/8 to 5 HP at 230 VAC and 1/2 to 5 HP at 460 VAC. (This J7 was previously named GPD 305/J7)

J7 is an ideal choice whenever excellent performance, low cost, and small size are required.

Performance Features

Ratings:
1/8 to 5 HP at 230 VAC,
1/2 to 5 HP at 460 VAC
Constant torque overload rating:
150% for 1 min. (250% peak)
DC injection braking, ramp to stop
Electronic reversing
Adjustable accel/decel:
0.1 to 999 seconds
Controlled speed range: 40:1
Speed Regulation:
± 0.5 to 1% with slip compensation
Drive efficiency: 95%
Displacement power factor: 0.98
Output frequency: 1.5 to 400 Hz
Frequency resolution:
0.01 Hz with digital reference
0.06 / 60 Hz with analog reference
Frequency accuracy:
0.01% with digital command
0.5% with analog command
Volts / hertz ratio: infinitely adjustable pattern
DC Injection braking: adjustable amplitude, duration, current limited
Torque boost: full range, auto
Power loss ride-thru: 0.5 sec.
Speed search
Auto restart
2 Critical frequency rejection settings
Slip compensation

Protective Features

Current limit, stall prevention during accel, decel, and run
Motor and drive overload
Over voltage
Instantaneous over current
Short circuit
Under voltage
Heatsink overheat
Ground fault protection
Over torque

Design Features

16-bit microprocessor logic
Digital keypad operator with analog speed pot
LED status display
Copy Keypad Function
Remote Mount Keypad Capability
4 multifunction digital inputs
Programmable form C output contact for customer use:
1A at 250 VAC or 30 VDC
24 VDC control logic compatible with sourcing or sinking outputs (PNP or NPN)
Carrier frequency: 10 kHz maximum
8 multi-speed settings plus jog speed
Remote speed reference:
0-10 VDC (20 kohms) or
4-20 mA (250 ohms)
Signal follower: bias and gain
Analog monitor output:
0-10 VDC proportional to output frequency or output current
79 parameters
Cooling fan controlled by drive run/stop
UL and cUL listed; CE approved
UL recognized electronic overload
MTBF: exceeds 28 years
Protected chassis

Service Conditions

Ambient service temperature:
-10 to 50 °C (14 to 122 °F)
Ambient storage temperature:
-20 to 60 °C (-4 to 140 °F)
Humidity: to 95% non-condensing
Altitude: to 3280 ft; higher by derating
Service factor: 1.0
Input voltage: -15% to +10%
200 to 230 VAC, 380 to 460 VAC
Input frequency: +/-5%; 50/60 Hz
Phase sequence insensitive

Specifications and Features for J7 Drive