The WE-25A from Wells Electric Drives Specifications:
- 10Amp continuous 30-70V DC BUS
- 20 pin Input/Output BUS
- PC104 BUS
- Encoder 9 pin D input Channels A, B, & INDEX & compliments /A, /B, /INDEX
- +5V Supply to power encoder
- Digital ISOLATED current sense and current limit (optional current output to either BUS to close current loop)
- LM629 position controller
- PWM and DIRECTION inputs to enable use of the board as an speed or voltage amplifier
- Phoenix Input/Output screw terminal connectors
- 3 year parts and labour warranty
The WE-25A from Wells Electric Drives closes the current loop amplifer digitally. There is nothing in its price range that offers a closed digital current loop.
Nb: requires external controller.