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roco Z21 switch DECODER User Manual

roco Z21 switch DECODER
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WWW.Z21.EU
Model Railway Control Unit
28
• Alternate flash
Flashing effects for level crossings, etc. with adjustable ashing frequency. The alternate ash is started using the “straight/green”
command and stopped with the “branch/red” command.
Optionally also available with slow fade-up and fade-down (light bulb simulation).

Table of Contents

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roco Z21 switch DECODER Specifications

General IconGeneral
TypeSwitch Decoder
ManufacturerRoco
Product number10836
Number of Outputs4
Output Current1A per output
Supported ProtocolsDCC
Weight50g
DCC address range1 to 2048
Power Supply12-18V AC/DC
Control MethodDCC
Programming ModePOM

Summary

Technical Data and Included Items

Important Information and Safety Precautions

Crucial warnings for correct connection and operation to prevent damage or malfunction.

Decoder Functionality and Use

Operating Modes Explained

Details various output operating modes: pulse, instantaneous, bi-stable, and alternate flash.

Installation and Connection

Wiring and Power

Instructions for connecting the power supply and DCC signal inputs.

Operation with External Control Centres

Addressing Mode Configuration

Recommends RCN-213 addressing and explains addressing types for external control centres.

Decoder Configuration Methods

Programming Button Configuration

Step-by-step guide for configuring the decoder using the programming button.

Option 1: Address Programming (Outputs 1-8)

Details programming addresses for outputs 1 through 8.

Option 2: Address Programming (Outputs 5-8)

Option 3: Set Addressing Mode

Guide to selecting between "ROCO" and "RCN-213" addressing modes.

Configuration via POM

Using Programming on Main (POM) for decoder configuration.

POM for Accessory Decoders

Configuring the decoder using POM commands for accessory functions.

POM for Loco Decoders

Configuration Variable (CV) List

Introduction to the Configuration Variable (CV) list for detailed settings.

CV#39: DCC Turnout Addressing

CV#41-48: Output Operating Modes

Troubleshooting Common Issues

Error Flashes and Overload

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