G WA2 Adapter

3D Projects
- Servo Adapter | Coupler | WA2 Adapter

This project is deprecated.

Because of bad experiences with the WA2 outdoors, this project is no longer maintained.
Generally its a good idea to protect the WA2 against rain.

Introduction

The WA2 is also known as the "Böhler WA2".
It is produced by Kaleas, and can be ordered under part number 32012.

Files

Sources created with OpenSCODE:

https://gitlab.com/rocrail/rocrail3d/-/tree/master/G/WA2

To use this adapter, the point lever must be replaced with the one provided.
The adapter hight measures from bottom to top 20mm.

Parts

Bottom

Depending on which side, and on which switch type, one pair of the screw terminals must be cut off.
The pair left should be extra drilled with 2.5mm to be prepared for threading M3.

Generally the terminal pairs can be assigned the following types:

A	Left-hand switch
B	Right-left switch

If the mounting side is at the straight side of the switch.

Cover

Point lever

Miscellaneous

1 x Spax 2 x 16
2 x stainless steel or brass M3 10mm
1 x M2 stainless steel 8mm set: bolt, nut and 2 x washer.

Example

The connection between WA-2 and slip lever is done with M2 stainless steel.

Connector

Pin	Usage	Remark
1	Polarisation +	Used as position A feedback.
2	Polarisation -	Used as position B feedback.
3	Polarisation slip	Used as position common GND.
6	Motor +/-
7+8	Motor -/+

Böhler WA1 (Kaleas 32011). The WA2 does not feature a relay, and has 8 pins only.

Prepare the WA2

Cut off the screw terminals and the small notch:

Innovative Model Railroad Control System

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Table of Contents

G WA2 Adapter

Introduction

Files