Overview
Both Unidrive SP and Digitax ST have the hardware required to connect to virtually any feedback encoder type, allowing the system designer to select the most appropriate technology for the application:
» Incremental - Offers a good balance of cost and performance
» SinCos - Provides increased position resolution for precision and low speed applications
» SSI - Provides absolute position feedback
» EnDat & HIPERFACE - These encoders transfer position data using a high speed communications network, often combined with SinCos technology
These feedback option modules extend the drives standard functionality.
SM-Universal Encoder Plus
Additional combined encoder input and output interface supporting Incremental, SinCos, HIPERFACE, EnDAT and SSI encoders
| Unidrive SP |
Commander SK |
Digitax ST |
√ |
X |
√ |
The SM-Universal Encoder Plus module provides the drive with an additional feedback port with the same functionality as the base drive, supporting:
» SinCos with Commutation
» Quadrature Incremental
» Pulse and Direction
» SSI
The option module also provides a simulated encoder output that can be programmed to operate in the following modes:
» Quadrature Incremental
» Pulse and Direction
» SSI
The module also incorporates high speed inputs for position capture.
SM-Encoder Output Plus
Incremental encoder input and output option module to enable connection with external motion controllers
| Unidrive SP |
Commander SK |
Digitax ST |
√ |
X |
√ |
SM-Encoder Plus
Incremental encoder input option module
| Unidrive SP |
Commander SK |
Digitax ST |
√ |
X |
√ |
SM-Resolver
Resolver option module for robust feedback in demanding environments
| Unidrive SP |
Commander SK |
Digitax ST |
√ |
X |
√ |
This module enables the drive to measure the speed and position of motors and machines fitted with resolvers. Due to their ruggedness, resolvers are often used in hot, demanding environments. The option module also offers a simulated incremental encoder output.
