Allen&Heath DR Switch User Manual

ALLEN&HEATH DR-switch for DR66/128 AP4493 issue 2

User Guide

powerlink

24 IN 16 OUT SWITCH CONTROLLER

V

100 - 240V~

47-63Hz ~ 15W MAX

WARNING

THIS APPARATUS MUST BE EARTHED.
ATTENTION: REMPLACER LE FUSIBLE AVEC UN DES MEMES CARACTERISTIQUES.
FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE FUSE WITH SAME TYPE AND RATING.
CAUTION: RISK OF ELECTR IC SHOCK. DO NOT OPEN. AVIS: RISQUE DE CHOC EL ECTRIQUE - NE PAS OUVRIR. Made in the UK by ALLEN&HEATH LIMITED Complies with UL6500, CSA-E65, EN60065

FUSE: T500mA

next iDR

OUT IN

DR-LINK

+10V DC max total 500mA

+24V DC, 200mA max

LOGIC OUTPUTS

+10V

+

open collector

opto

­G

1516 13

+-+-+-+-

Introduction

DR-switch is an add-on unit for the Allen & Heath DR66 and DR128 digital mixers. It provides an additional 24

switch closure control inputs and 16 logic control outputs in a 1U high rack or desk mount case. Up to three
units can be connected providing up to 72 additional switch and 48 additional logic controls. These can be
custom wired by the installer to allow external equipment to control pre-determined mixer functions, or the mixer
to control external equipment. Typical applications include room wall plates for local volume control and source
selection, automatic control of room dividers, projection screens, media players, lamps and other equipment.

The inputs and outputs are opto-isolated to avoid problems with equipment interaction. Grounding the switch
inputs using simple contact closures triggers the programmed mixer function. The logic outputs are open
collector and can be wired to use the internal reference voltage or an external power supply. These typically
drive LED indicators, filament bulbs, relays and circuit logic. Wiring the interface should be carried out by
competent installation personnel. The switch and output functions are easily programmed using the WinDR
software that configures the system.

The DR66/128 communicates with the DR-switch via an RJ45 serial connection running the Allen & Heath DR-
link protocol. A standard 2 metre CAT5 STP cable is provided. However, you can use a cable up to 300
metres long letting you position the unit closer to the local switch wiring. A pass through connection lets you
network up to three units by daisy chaining them. An interface card needs to be fitted to the DR66/128 to
provide the additional serial port. Installation is a straightforward process requiring removal of the DR66/128 top
cover, fitting the internal option card provided and plugging on the cable harness supplied. Refer to Fitting
Instructions sheet AP4615.

SWITCH INPUTS

2K2

switch

G

+10V

opto

910

11

1214

+-+-+-+-

DR-switch

G4321G5678G 1211109 G13141516G 20191817 G21222324

VGVGVG +-+-+-

567+-8

+-+-+-

VG

123+-4

Important Notes

To use the DR-switch the DR66/128 must be running DR
operating software version 2 from V2.11 or greater. DR-switch
will not function using earlier versions of software. Make sure
your PC is running the compatible version of WinDR. Refer to
the Help file provided with the software for details on how to
program the controls. These settings are stored as part of the
DR66/128 mixer patch memories.

The latest version of DR operating software can be downloaded
from the Allen & Heath web site: http://www.allen-heath.com
For technical assistance email [e-mail]

The DR-link interface card fits into the SysNet option slot in the
DR66/128 mixer. This means that you cannot have DR-link
and SysNet installed at the same time. The SysNet protocol
can be run on the RS232 port instead if required.

This product complies with the European Electromagnetic
Compatibility directives 89/336/EEC & 92/31/EEC and the
European Low Voltage Directives 73/23/EEC & 93/68/EEC.

NOTE: Do not remove the cover of the DR-switch unit. There are no user serviceable parts inside. Any
changes or modifications to the unit not approved by Allen & Heath could void the compliance of the equipment
and therefore the users authority to operate it. Whilst we believe the information in this guide to be reliable we
do not assume responsibility for inaccuracies. We also reserve the right to make changes in the interest of
further product development.

Copyright © 2002 Allen & Heath Limited. All rights reserved

.

DR-switch User Guide AP4493 1

Installing the Unit

Connecting Mains Power

100 - 240V~

47-63Hz ~ 15W MAX

FUSE: T500mA

WARNING

THIS APPARATUS MUST BE EARTHED.
ATTENTION: REMPLACER LE FUSIBLE AVEC UN DES MEMES CARACTERISTIQUES.
FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE FUSE WITH SAME TYPE AND RATING.
CAUTION: RISK OF ELECTRIC SHOCK. DO NOT OPEN. AVIS: RISQUE DE CHOC ELECTRIQUE - NE PAS OUVRIR.

The DR-switch can be rack mounted or free
standing. There are no user controls on the
front panel. Allow a minimum of 75mm
clearance behind the unit for the connectors
and cables. Ensure adequate ventilation to the
side of and behind the unit.

It is shipped with its rack ears fitted and its feet
removed ready to be mounted in a standard
19” equipment rack. 1U rack space is
required.

For desk mount operation remove the two rack
ears using a Torx (star head) T10 screwdriver.
Fit the four plastic feet provided by pressing
them into the underside holes.

Before starting read the Important Safety
Instructions printed on Safety Sheet AP3345
and on the rear panel of the unit. Check that
the correct mains lead with moulded mains
plug and IEC connector has been supplied with
your unit.

With the mains supply turned off plug the IEC
lead fully into the rear panel socket. Apply
power and press the on/off switch to turn the
unit on.

Connecting the DR-switch to the DR66/128

DR-LINK ADAPTER CARD FITTED

RJ45 CAT5 STP CABLE

300m MAX

DR-LINK IN

powerlink

The DR66/128 main unit communicates with
the DR-switch using the Allen & Heath DR­LINK serial logic connection. This requires a
standard RJ45 CAT5 STP (shielded twisted
pair) cable. To ensure reliable performance
the cable shield must be attached to the metal
shell of the plugs. Do not use a UTP
(unshielded) cable.

A 2 metre CAT5 cable is provided with the unit.
If you need to connect a longer cable make
sure it is correctly wired to the CAT5 STP
standard. Maximum cable length is 300
metres. Plug one end of the cable into the DR­LINK adapter card fitted to the DR66/128. Plug
the other end into the DR-switch DR-LINK IN
socket.

The front panel link LED indicator lights when
communication is established with the
connected DR66/128. The unit features logic
to automatically detect when the system is
powered and operating correctly.

Networking DR-switch Units

FIT DR-LINK ADAPTER CARD

SWITCH 1-24 OUT 1-16

SWITCH 25-48 OUT 17-32

SWITCH 49-72 OUT 33-48

You may connect up to three DR-switch units
to provide up to 72 additional switch inputs and
48 additional logic outputs.

The units are daisy chained by connecting the
DR-LINK OUT of the first unit to DR-LINK IN of
the second and so on.

Maximum distance between each unit and the
next is 300 metres. This lets you position each
DR-switch unit closer the wall plate wiring.

Ensure a good mains supply and solid
grounding to each unit.

DR-switch User Guide AP4493 2