Electrical and Wiring

 

https://github.com/precision-sustainable-ag/BBv3-CEE

External Wiring Block Diagram

 

Limit Switches

Inductive proximity switches are used to detect the end of available travel on the bench bot, there are four installed, 2 on the X axis and 2 on the Z axis.

The device that all BenchBots use is the PNK6-CN-4H

 

pv_pnk6cn4h.jpg
PNK6-CN-4H

 

image-20240515-155526.png
Schematic of Normally closed (NC) NPN style proximity switch from the data sheet.

 

 

 

Carriage Electrical Enclosure (CEE)

This IP 66 stainless steel enclosure is mounted to the X axis carriage. It contains the drive electronics for the X & Z axis, as well as support electronics and electrical systems for the payload. A custom laser cut connector plate is added to the bottom to provide a robust way of attaching the various bulkhead connectors in the system.

This page will contain design and manufacturing information related to this subsystem.

Major components include:

  • ClearCore Controller

  • Network Switch

  • Mini PC

  • DC-DC Converters

  • Power Distribution

  • E-Stop Relays

 

Block Diagram

External Connections

 

Designation

Description

Connector Type

 

Designation

Description

Connector Type

 

C1

 

 

 

C2

 

 

 

 

 

 

 

 

 

 

 

Internal Component Layout

 

ClearPath Power Distribution Board Pinout