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AX2550 Motor Controller User’s Manual 5
Revision History 3
SECTION 1 Important Safety Warnings 13
This product is intended for use with rechargeable batteries 13
Do not Connect to a RC Radio with a Battery Attached 13
Beware of Motor Runaway in Improperly Closed Loop 13
SECTION 2 AX2550
Quick Start 15
What you will need 15
Locating the Switches, Wires and Connectors 15
Connecting to the Batteries and Motors 17
Connecting to the 15-pin Connector 18
Connecting the R/C Radio 19
Powering On the Controller 20
Button Operation 20
Default Controller Configuration 21
Connecting the controller to your PC using Roborun 22
Obtaining the Controller’s Software Revision Number 23
Exploring further 24
SECTION 3 AX2550 Motor Controller Overview 25
Product Description 25
Technical features 26
SECTION 4 Connecting Power and Motors to the Controller 29
Power Connections 29
Controller Power 30
Controller Powering Schemes 32
Powering the Controller from a single Battery 32
Powering the Controller Using a Main and Backup Battery 33
Connecting the Motors 34
Single Channel Operation 35
Converting the AX2550 to Single Channel 35
Power Fuses 36
Wire Length Limits 37
Electrical Noise Reduction Techniques 37
Power Regeneration Considerations 37
Overvoltage Protection 38
Undervoltage Protection 38
Using the Controller with a Power Supply 39