Drive Board of the NTB

db11 Board

Features

  • 4 Maxon ESCON 50/5 Drives
  • Repository on github with Altium files https://github.com/ntb-ch/db11
  • Important: keep connections to cb20 reasonably short! Differential line drivers for the encoders are located on the db11. From there single ended lines lead to the cb20.

existing boards

  • 6 x db11 2015 (incl. production in 2017)

Supply

The board is supplied with 5V and 3.3V directly from the cb20, see below. On P6 you have to deliver 24V (square pad = Gnd).
Important: Connect GND of P6 with GND of the cb20.

Motor Connection

A simple DC-Motor (single coil) must be connected on P5(Pin 1 and 2).

Connections to the cb20 Board

Connect the following lines when using all 4 drives:

cb20 db11
SignalConnectorPinConnectorPin
3.3V P8 1 P1 25
DGND 2 2
enc1/A3 3
enc1/B4 4
enc2/A5 5
enc2/B6 6
enc3/A7 7
enc3/B8 8
enc4/A9 9
enc4/B10 10
enableP9 3 11
ready15 12
ready26 13
ready37 14
ready48 15
5V P10 1 1
AGND 3 18
dac1 5 17
dac2 7 19
dac3 9 21
dac4 11 23