Table of Contents
Turntable decoder MultiPort
Introduction
This decoder is to support a step motor driven turntable developed by MGV.
I/O
- 6 inputs for track position: 0-63
- 1 input for CW / CCW rotation
- 1 output for the at position event
- 2 outputs for the bridge track to determine the loco position
- 1 input for lights
- 4 inputs for bridge signals
Addressing
The setup needs one base address.
13 inputs and 3 outputs are reserved.
I/O
| Purpose | Offset | Length | I/O | Remark |
|---|---|---|---|---|
| Track position | 0 | 6 | I | 0…63 |
| Rotation direction | 6 | 1 | I | 1 = CCW, 0 = CW |
| New position | 7 | 1 | I | 1 = read new track position (puls 500ms) |
| At position | 8 | 1 | O | 1 = position reached (reset at new position flag set) |
| Sensor 1 | 9 | 1 | O | bridge loco sensor |
| Sensor 2 | 10 | 1 | O | bridge loco sensor |
| Lights | 11 | 1 | I | (optional) |
| Bridge signals | 12 | 4 | I | (optional) |