Drive Board from OST

db11 Board

Features

4 Maxon ESCON 50/5 Drives

Schematics
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
Signal	Connector	Pin	Connector	Pin
3.3V	P8	1	P1	25
DGND		2		2
enc1/A		3		3
enc1/B		4		4
enc2/A		5		5
enc2/B		6		6
enc3/A		7		7
enc3/B		8		8
enc4/A		9		9
enc4/B		10		10
enable	P9	3		11
ready1		5		12
ready2		6		13
ready3		7		14
ready4		8		15
5V	P10	1		1
AGND		3		18
dac1		5		17
dac2		7		19
dac3		9		21
dac4		11		23