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2.4.2
Dual loop configurations
The motor speed control loop is closed on one feedback connected on the motor while the motor position
control loop is closed on the other available feedback which is placed on the load. There is usually a transmission
between the load and the motor.
Motor
Feedback #1
type
•
Incremental encoder (differential)
•
PMSM
Analogue Sin/Cos encoder
•
Incremental encoder
BLDC
(differential) + Digital halls
•
Incremental encoder (differential)
Stepper
•
Analogue Sin/Cos encoder
2ph
•
Incremental encoder (differential)
•
DC
Analogue Sin/Cos encoder
•
Brush
Analogue Tacho (only on motor)
Each defined motor type can have any combination of the supported feedbacks either on motor or on load.
Example:
-PMSM motor with Incremental encoder (from feedback #1) on motor and Incremental encoder (from feedback#2)
on load
-DC brush motor with SSI encoder (from feedback #2) on motor and Sin/Cos encoder (from feedback #1) on load.
3
Hardware Installation
3.1
iPOS80x0 BX-CAN/CAT Board Dimensions
Technosoft 2019
Figure 3.1.1. iPOS80x0 BX-CAN/CAT drive dimensions
12
Feedback #2
•
Incremental encoder (differential)
•
SSI/BiSS C encoder
•
Incremental encoder (differential) + Digital
Halls
•
SSI/BiSS C encoder (only on load)
•
Incremental encoder (differential)
•
SSI/BiSS C encoder
•
Incremental encoder (differential)
•
SSI/BiSS C encoder
iPOS80x0 BX-CAN/-CAT Technical Reference
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