ETC Unison DRd Right IO Card Upgrade Kit User Manual

ETC® Installation Guide

Unison® DRd Right I/O Card Upgrade Kit

Overview

The DRd Right I/O Upgrade kit is available to upgrade an existing DRd enclosure to be used with the
Unison Echo Architectural Control Processor.

Note:

Kit includes:

The DRd right I/O card and five 6-32 x .250 screws.

Required tools:

• No. 2 Phillips screwdriver

• Slotted screwdriver (optional)

Procedure

WARNING:

Preparation

Step 1: Turn off power to the DRd enclosure.

The right I/O card in this upgrade kit maintains compatibility for all existing Paradigm
and SmartLink Architectural Control Processors.

Power must be turned OFF when you perform this procedure. Before service,
de-energize main feed to dimmer enclosure and follow appropriate Lockout/
Tagout procedures as described in NFPA Standard 70E.

It is important to note that electrical equipment such as dimmer enclosures can
present an arc flash safety hazard if improperly serviced. This is due to available
large short circuit currents on the feeders of the equipment. Any work on
energized equipment must comply with OSHA Electrical Safe Working
Practices.

WARNING:

Failure to disconnect all power to the DRd before working in the enclosure
could result in serious injury or death.

Step 2: Loosen screws on the module retention rail on the left side of the DRd enclosure and slide

the rail to the left.

Step 3: If installed, remove the Architectural Control Processor, Station Power Module, and at

least three dimmer modules from the lower portion of the dimmer enclosure to provide
work space inside the enclosure.

Step 4: Use a digital voltmeter and verify that power is off by checking voltages for all

combinations between the phase bars, neutral, and ground (earth).

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Right I/O Card Upgrade Kit Installation Page 1 of 4 Electronic Theatre Controls, Inc.

ETC Installation Guide

b: Gently slide the option card to the left,

disconnecting the card edge connector
from the right I/O card.

c: Move the option card to the left side of

the enclosure, keeping the wiring
connections in place if possible.

Step 3: Remove the hardware securing the right I/O card in the DRd

enclosure.

Step 4: Gently slide the right I/O card down, disconnecting the top

card edge connector from the signal distribution board.

Remove the existing I/O Card

All connections to the right I/O card are made to removable pluggable connectors, making this upgrade
very simple.

Step 1: If a Fluorescent Option or DALI Option card is installed, temporarily remove the option

card before proceeding with the right I/O removal.

a: Remove the hardware securing the option card in the enclosure. Keep the hardware in a

safe location for reinstallation later.

Right I/O Card Upgrade

Step 2: Disconnect all pluggable connectors from the right I/O card. Be certain to label similar

connectors (including DMX) for easy reinstallation later.

Note:

Note:

The connector plugs can be difficult to disconnect. Do not pull on any of the wires to
remove the connection. If you are having difficulty removing the connectors, carefully
use the edge of a slotted screwdriver to pry the connector free from the receptacle.

Retain this original right I/O card to verify DMX termination settings for the
replacement I/O card.

Once the upgrade is complete, this right I/O card is no longer needed and can be
recycled at a local certified electronics recycler or it can be sent back to ETC for proper
disposal. The circuit board should not be disposed of in the general trash.

Right I/O Card Upgrade Kit Installation Page 2 of 4 Electronic Theatre Controls, Inc.