7CHAC24_E_0 DATE : 16/01/2007 REV. 0.0 7CHAC24(48) ONE QUADRANT CONTROLLER FOR PM DC MOTORS - USER’S GUIDE -

16/01/2007 7CHAC24_E_0 1 - INTRODUCTION - The controller 7CHAC24(48) is a 1 quadrant chopper for PM dc motors with voltage feedback and powered by transformer 230/24 Vac (230/48 Vac). The MOSFET power stage operating with pwm 18 KHz. The ripple of the current is very low so the efficiency of the system is very high . The chopper is designed in accordance with the most important EC standards. - FEATURES - POWER SUPPLY 24 VAC – 50/60 Hz (48 VAC) RATED CURRENT 8 A (DEPENDS ON DISSIPATION) MAX CURRENT ( Ta = 25°C) 15 A FREQUENCY 18 KHz OPERATING TEMPERATURE -10°C / 40°C SPEED REFERENCE POTENTIOMETER...

16/01/2007 7CHAC24_E_0 3 - I/O CONNECTOR - JP2 CONNECTOR: Pin 1: dc Motor 24 Vdc (48 Vdc) Pin 2: dc Motor 24 Vdc (48 Vdc) JP3 CONNECTOR: Pin 1: 24 VAC (48VAC) Pin 2: 24 VAC (48VAC) Pin 3: Enable input Pin 4: Enable input JP4 CONNECTOR: Pin 1: Positive Potentiometer Supply Pin 2: Central Potentiometer Pin 3: Negative Potentiometer Supply POWER AND CONTROL CONNECTIONS: SAURO CONNECTORS