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ETC Installation Guide

DMX Emergency Bypass Controller

Corporate Headquarters 

 Middleton, WI, USA 

 Tel +608 831 4116 

 Service: (Americas) 

ser[email protected]

London, UK 

 Tel +44 (0)20 8896 1000 

 Service: (UK)

 

[email protected]

Rome, IT 

 Tel +39 (06) 32 111 683 

 Service: (UK) 

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Holzkirchen, DE 

 Tel +49 (80 24) 47 00-0 

 Service: (DE) 

techs[email protected]

Hong Kong 

 Tel +852 2799 1220 

 Service: (Asia) 

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Web:

 

etcconnect.com

 

 © 2017 Electronic Theatre Controls, Inc.

Product information and specifications subject to change. ETC intends this document to be provided in its entirety.

7180M2190 

 Rev B 

 Released 2017-05

Overview

The DMX Emergency Bypass Controller (DEBC) allows 
DMX512-controlled fixtures, such as LEDs, to operate as 
normal/emergency fixtures by bypassing a single universe of 
DMX512 directly to the connected fixtures. This unit is 
designed to override the control signals on designated 
emergency lighting fixtures that are separately energized 
upon loss of utility power.

The bypass is triggered through the onboard contact closure 
input, such as in the event of a power outage. The contact 
closure may be normally open or normally closed, and is 
supplied by an external device. For example, to turn lights on 
during a power loss, utilize the ETC Emergency Bypass 
Detection Kit (EBDK) or other suitable power sensing device. 
The DEBC may also operate as part of a closed-loop fire alarm 
system.

The DEBC requires that the electrical supply to the lighting fixtures is a normal/emergency source fed by an 
upstream transfer switch or other emergency power system. Upon loss of utility power or other event when 
egress lighting is needed, a dry contact closure or +12VDC input forces the DMX data link that is feeding 
connected fixtures into a bypass state. The bypass state can be defined as “All DMX channels to full” or a 
designated emergency setting of each DMX channel to a selected level.

DEBC Types

There are two types of DMX Emergency Bypass Controllers available:

• Single-output DEBC (DEBC-1): Single DMX input, single DMX output
• Six-output DEBC (DEBC-6): Single DMX input, six DMX outputs

Important Safeguards

When using electrical equipment, basic safety precautions should 
always be followed including the following:

–READ AND FOLLOW ALL SAFETY INSTRUCTIONS.
–Do not use this equipment for other than its intended use.
–SAVE THESE INSTRUCTIONS.
–All servicing should be performed by qualified personnel only.

Product Specification

• UL924 listed for use in emergency lighting systems
• Compatible with PLASA DMX512 protocol
• Compatible with 100–277VAC/50–60Hz emergency power (hot, neutral, and ground)
• Panic input can accommodate a maintained normally open (NO) dry contact, normally closed (NC) dry 

contact, or +12VDC signal

Содержание DMX DEBC-1

Страница 1: ...e ETC Emergency Bypass Detection Kit EBDK or other suitable power sensing device The DEBC may also operate as part of a closed loop fire alarm system The DEBC requires that the electrical supply to th...

Страница 2: ...r jeweler s screwdriver for wire terminations 2 Phillips screwdriver for the front cover Four mounting bolts or screws suitable to hold up to 6 lb 2 7 kg Install the DEBC 1 Remove the front cover from...

Страница 3: ...lass 2 wiring DMX and panic input wire Note Install the DEBC enclosure on a suitable surface within 1 640 ft 500 m of the Emergency Bypass Detection Kit EBDK or suitable triggering device Termination...

Страница 4: ...the screw firmly onto the wire 5 Insert the second panic input wire into the INPUT terminal Using the jeweler s screwdriver tighten the screw firmly onto the wire 12VDC Signal 1 Strip 1 4 6 mm insulat...

Страница 5: ...s follows Single output DEBC DMX OUT THRU to J9 see image at right Six output DEBC DMX OUT THRU to J9 and DMX OUT to J10 J11 J5 J6 and J7 see image below Note A DMX Cable Preparation Kit with Screw Co...

Страница 6: ...sert it into pin 1 labeled L on the AC INPUT terminal tighten the terminal firmly onto the wire 6 Locate the neutral wire typically white and insert it into pin 2 labeled N on the AC INPUT terminal ti...

Страница 7: ...button and the Normal Bypass indicator while replacing the cover 3 Restore power to the main breaker that supplies power to the controller See Operational Notes and Testing for details of how the DMX...

Страница 8: ...l DMX source is outputting DMX to the normal emergency lighting fixtures through the DEBC 3 Hold down the RECORD button located at S2 on the control board for approximately 5 seconds The Status LED lo...

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