Bis Automation, Inc. - Item Description Page

GPD 315 Open Loop Vector AC Drive, 1/8 - 5 HP MagneTek's GPD 315 is a high performance AC drive which produces an output of adjustable voltage and frequency to control the speed of squirrel cage induction motors. By the use of IGBT transistors and high carrier frequency, this PWM design provides low motor noise and high starting torque. The current overload rating is 150% for 60 seconds. The GPD 315 provides two control methods; V/Hz and open loop vector control to suit precise speed regulation applications. In addition to speed regulation, open loop vector control also provides higher torque at lower speeds. The GPD 315 is a fully featured, low cost, compact drive. It's digital operator provides 4-digit LED status display with a built in analog speed potentiometer, as well as digital programming of almost 200 parameters suitable for many applications. The digital pulse train input provides a precise frequency input, and is the perfect solution for speed / follower applications. The seven standard multifunction inputs can be programmed to allow for 17 preset speeds. The GPD 315 also has an analog input, a multifunction output, two multifunction open collector outputs, and an analog output as standard. A RS-485 Modbus RTU serial communication port is standard with up to 32 nodes on a single network. Plug-in interface option boards designed and manufactured by MagneTek, enable the GPD 315 to communicate serially to all the major communication protocols such as: Modbus Plus, DeviceNet, Interbus-S, Profibus, SDS, and others. The option board installs directly on the drive control board via simple snap-in connectors. The GPD 315 is ideally suited for applications such as conveyors, grinders, centrifuges, pumps, fans and blowers. Its open loop vector control feature provides precise speed control making it powerful enough for a wide array of sophisticated industry control such as: material handling, machine tool, packaging, food processing, and commerical laundry. The GPD 315 is available in an open chassis from 1/8 to 5 HP at 230 VAC and 1/4 to 5 HP at 460 VAC. NEMA 4/12 also available upon request. GPD 315; the perfect choice wherever high performance in a small size is required. Performance Features Protective Features Design Features Service Conditions Options Performance Features Ratings: 1/8 to 5 HP at 230 VAC, 1/4 to 5 HP at 460 VAC Constant torque overload rating: 150% for 1 min. (200% peak) DC injection braking, ramp to stop Electronic reversing Adjustable accel/decel: 0.01 to 6000 seconds Controlled speed range: (1) 40:1, (2) 100:1 Speed Regulation (1) � 0.5 to 1% with slip compensation (2) � 0.2% Drive efficiency: 95% Displacement power factor: 0.98 Output frequency: 0.1 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 Open loop vector control DC Injection braking: adjustable amplitude, duration, current limited Torque boost: full range, auto Power loss ride-thru: 0.5 sec. Speed search Auto restart 3 Critical frequency rejection settings Slip Compensation Energy Savings Function PID with loss of feedback function Control Methods (1) Volts/Hertz (2) Sensorless vector (open loop) (3) Flux Vector (closed loop) Protective Features Current limit, stall prevention during accel, decel, and run DC Bus CHARGE indicator Motor and drive overload Over voltage Instantaneous over current Short circuit Under voltage Heatsink overheat Ground fault protection Over/under torque Design Features 16-bit microprocessor logic Digital keypad operator with analog speed pot LED status display Copy Keypad Function Remote Mount Keypad Capability RJ-11 Style Digital Operator Connector 7 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 16 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 2 programmable open collector outputs Analog monitor output: 0-10 VDC proportional to output frequency or output current Approximately 200 parameters Digital pulse train input (30 kHz max.) Cooling fan controlled by drive run/stop RS485/RS422 serial communication port (up to 32 nodes) Baud rate of 19.2 kbps UL and cUL listed; CE approved UL recognized electronic overload MTBF: exceeds 28 years 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 Options Dynamic Braking resistor (external) Input circuit breaker / disconnect Remote operator station Serial Communications NEMA 1/12 & NEMA 4 enclosures External DC link reactor --------------------------------------------------------------------------------

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