7CHBIC30 ONE QUADRANT CONTROLLER FOR PM DC MOTOR
7CHBIC30 ONE QUADRANT CONTROLLER FOR PM DC MOTOR
The 7CHBIC30 is a one-quadrant chopper controller designed for PMDC motors powered by 12V, 24V, or 36V batteries. It utilizes a MOSFET power stage with PWM to ensure low current ripple and high efficiency. It is suitable for applications such as small electric vehicles and scooters, and complies with key EC standards.
Features
- Power Supply: 12V, 24V, 36V
- Rated Current: 10 A (dependent on dissipation)
- Max Current: 30 A at 25°C
- Frequency: 18 KHz
- Max Heatsink Temperature: 90°C
- Operating Temperature: -10°C to 40°C
- Speed Reference Potentiometer: 5K
- On-board Main Contactor: 24V-40A
Dimensions
- Without Box: 130x70x43 mm (51.18x27.55x16.92 inches)
- With Box: 136x74x45 mm (53.54x29.13x17.71 inches)
Safety Features
- Under Voltage Protection: VBATT < 18V
- Overload Protection: Imot > 20A for 10 seconds
- MOSFET Short Circuit Protection
- Reverse Battery Protection
LED Indicators
- Green LED: Supply On
- Yellow LED (Optional): Thermal Protection (>90°C), Overload Protection (>20 A for 10 seconds)
Installation
Install the chopper in a protected area away from mechanical damage, water, and dirt. Secure it on a metal surface, preferably aluminum, to enhance heat dissipation. If thermal protection frequently activates, consider additional cooling solutions like a heatsink or fan. The speed controller can be made bi-directional with an appropriate mechanical contactor.
Wiring Diagram
Details not provided in the text.
I/O Connector
- Pin 1-2: Key switch (N.O. contact)
- Pin 3: Positive Potentiometer Supply
- Pin 4: Central Potentiometer
- Pin 5: Negative Potentiometer Supply
- Pin 6: Green LED Output
- Pin 7: Yellow LED Output
- Pin 8: Not Used
Connections
- Power Connection: Faston 6.3 mm
- Control Connection: Molex Minifit
Catalog excerpts
7CHBIC30_E_0 DATE : 16/01/2007 REV. 0.0 7CHBIC30 ONE QUADRANT CONTROLLER FOR PM DC MOTOR - USER’S GUIDE -
Open the catalog to page 1
16/01/2007 7CHBIC30_E_0 1 - INTRODUCTION - The controller 7CHBIC30 is a 1 quadrant chopper for PMDC motors powered by battery 12/ 24/36V (on request). The MOSFET power stage operating with PWM then the ripple of the current is very low so the efficiency of the system is very high . Typical applications are driving base for small electric vehicles , electric scooters, electric ventilator etc. The chopper is designed in accordance with the most important EC standards. - FEATURES - POWER SUPPLY BATTERY (12V) – 24V – (36V) RATED CURRENT 10 A (DEPENDS ON DISSIPATION) MAX CURRENT ( Ta = 25°C) 30 A...
Open the catalog to page 2
16/01/2007 7CHBIC30_E_0 3 - I/O CONNECTOR - Pin 1-2: KEY Key switch (contact N.O.) Pin 3: HI-POT.INPUT Positive Potentiometer Supply Pin 4: C-POT.INPUT Central Potentiometer Pin 5: LO-POT.INPUT Negative Potentiometer Supply Pin 6: OUT GREEN LED Pin 7: OUT LED GIALLO Pin 8: NOT USED POWER CONNECTION: FASTON 6,3 mm CONTROL CONNECTION: MOLEX MINIFIT
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