7CH4Q100_E_4_S DATE : 08/01/2007 REV. 4.0 7CH4Q100 MICROPROCESSOR FOUR QUADRANT CONTROLLER FOR PM DC MOTORS - USER’S GUIDE -

08/01/2007 7CH4Q100_E_4_S 1 - INTRODUCTION - The controller 7CH4Q100 is a 4 quadrant chopper for PMDC motors powered by battery 24/36V for traction applications. The chopper is equipped with a powerful microprocessor for digital control of the speed, current regulation and failures of the motor ; an efficient diagnostics of the failures and wrong wiring connections, programmability of the main parameters . The MOSFET power stage is an “H bridge” configuration operating with PWM. The ripple of the current is very low so the efficiency of the system is very high . The chopper is designed in accordance...

08/01/2007 7CH4Q100_E_4_S 4 - I/O CONNECTOR - 16v Molex connector (Molex p/n.39012160, contacts p/n.39000038) fig.4 Pin 1: HI –POT. INPUT Positive Potentiometer Supply Pin 2: C-POT.INPUT Central Potentiometer, or Voltage (0,5-4,5Vdc) Speed Reference Input Pin 3: LO-POT.INPUT Negative Potentiometer Supply, or Gnd Voltage Speed Reference Input Pin 4: Pin 2:V_MAX (OPTIONAL) Max speed input potentiometer (>100 KÙ). Pin 5: PUSH (IF NOT USED MUST BE CLOSED TO PIN14) Default N.C. input contact ( +V_Batt/Pin14) for Backward safety. This input is active when open. Pin 6: DISABLE When the contact is closed...

08/01/2007 7CH4Q100_E_4_S 5 Pin 10: ALARM Connection for the diagnostic Blinking Led indicator (5Vdc-10mA) output : the number of blinks means the alarm type (example 5 blinks means Alarm 5). Pin 11: MODE 1 Default N.O. input to +V battery. Pin 12: FORWARD SWITCH N.O. input to +V battery. Pin 13: BACKWARD SWITCH N.O. input to +V battery. Pin 14: COMMON HIGH +V battery output for switches. Pin 15: KEY IN Key switch input (+V battery). Pin 16: HOURMETER Hour-meter output ( +V battery when running, 100mA max). 4v Molex connector (Molex p/n.3901240, contacts p/n. 39000038) Used for handheld programmer...