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General Features include:

• Power MOSFET technology provides smooth, silent, efficient, and cost- effective operation.
• Adjustable parameters enable custom optimization of speed, torque, and braking control.
  
• Half bridge armature and full bridge field provides regenerative braking down to near zero speed.
  
• Anti-stall function helps prevent motor commutator damage.
• Protection : Temperature, Overcurrent & Low Voltage Protection
  
• Can be easily programmed with Stars PD-0711A, or direct from factory.
  
• Timed shutdown of main contactor after pedal is released and vehicle has stopped.
  
• LED status indicator.
  
• Extensive fault detection and diagnostic reporting using a Stars Programmer including (partial list):
  – Throttle and wiring faults
  – Open or shorted motor field winding
  – Open motor armature winding
  – Over-temperature Armature drive failure.

Product Detail :

Introduction :

Stars PQ-series separately excited motor controllers are perfect for systems requiring peak currents from 50A to 300A and system voltages from 12VDC to 48VDC. Stars Separately Excited Motor Controllers are programmable and microprocessor based, with an advanced MOSFET power section for smooth and seamless control of separately excited motors. The motor controller is fully programmable by means of the Stars PD-0711A handheld programmer. STARS PQ-Series motor controllers are designed for use in a variety of small industrial vehicles and in material handling equipment.<Learn More>

Stars Separately Excited Motor Controller models:

Separately Excited Motor Controller with Vehicle Logic (Fully Programmable)
Model	PQ1230	PQ2330(A,B)	PQ4830
Battery Voltage (V)	12V	24-36V	48V
Current (A)	300A	300A	300A
Throttle Type(s)	0-5k or 0-5V
1-min cont.current (A)	300A	300A	300A
5-min cont.current (A)	200A	200A	200A
1-hour cont. current (A)	125A	125A	125A
LBCO (V)	8V	16//24V	36V
OVP** (V)	13.8V	27.6V/41.4V	55.2V
Data Sheet
Style	1204X	1204X	1204X
LBCO* : Low Battery Cut-off OVP** : Over Voltage Protection

Motor Controller Specifications:

Electrical:

• Normal Battery Voltage: 12, 24-36, 48V DC
  
• Current Ratings: 300A
  
• Operating Frequency : 16KHz
  
• Microprocessor Logic
  
• Inter Hour Meter
  
• Internal Battery Discharge Indicator
  
• RS232 Serial Link
• Flashing LED Display for Diagnostics

Mechanical:

• Dimensions (mm) : 172L x 146W x 72H
• Case :Aluminum alloy and Plastic , black Finish

Environmental:

• Operating temperature : -30°C to + 40°C
• Storage temperature : -40°C to +70°C
• Protection :Temperature, Overcurrent & Low Voltage Protection