Distech Controls IO-R-16 Handmatig - Pagina 3

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Preparation

Further, loss of power without backup makes an IO firmware upgrade a risky operation. Such an upgrade is initiated

from the "Nrio Device Manager" view (in a station connection to the EC-BOS). If this upgrade process is interrupted

by a IO-R-34 power cycle, the module may be rendered inoperable—and will likely need to be replaced. Therefore,

consider providing UPS backup power.

Configure default settings for comm loss scenarios—

DO values to be set in case of a power outage or other communications-loss situations. The feature is configurable

for timing and function. You can choose to use it on Powerup, CommLoss, both or neither. See the Nrio Driver Guide

for details.

Preparation

Unpack the IO-R-34 and inspect the contents of the packages for damaged or missing components. If damaged,

notify the appropriate carrier at once and return any damaged components for immediate repair or replacement. See

"Returning a Defective Unit"

Included in this Package

Included in this package you should find the following items:

IO-R-34 module with quick-disconnect female connectors.

•

Remote IO-R-34 Module Mounting and Wiring Guide.

Hardware bag containing the following items:

•

One (1) grounding wire, with quick-disconnect 0.187" female connector.

–

Sixteen (16) 499-ohm resistors, used for 4–20mA input

–

Material and Tools Required

The following supplies and tools are required for installation:

A suitable power source, as one of the following:

•

UL listed, Class 2, 24Vac transformer, rated a minimum of 21.6 to 26.4Vac and 28VA. Note that a

–

dedicated transformer is required. Only an EC-BOS-8 and the IO-R-34 may be powered from the same

transformer.

22 to 26.4Vdc power supply capable of supplying at least 916mA (22 Watts). This is sufficient to power a

–

fully loaded IO-R-34 (4 IO-R-16 modules plus the IO-R-34).

DIN rail, type NS35/7.5 (35mm x 7.5mm) and low-profile DIN rail end-clips (stop clips), recommended for

•

mounting with the controller. The DIN rail should be sufficient length to accommodate both the EC-BOS-8 and

any other modules. See

Suitable screws and screwdriver for mounting DIN rail, or if DIN rail not used, for mounting bases of the

•

EC-BOS-8 and the module. A small flat-bladed screwdriver is needed for wiring terminals.

Precautions

This document uses the following warning and caution conventions:

Cautions remind the reader to be careful. They alert readers to situations where there is a chance that

Caution

the reader might perform an action that cannot be undone, might receive unexpected results, or might

lose data. Cautions contain an explanation of why the action is potentially problematic.

Warnings alert the reader to proceed with extreme care. They alert readers to situations where

Warning

there is a chance that the reader might do something that can result in personal injury or

equipment damage. Warnings contain an explanation of why the action is potentially dangerous.

Remote IO-R-34 Module Mounting and Wiring Guide

on page 17.

Figure 1

on page 6.

You can use EC-Net Pro to configure default AO and

August 2, 2017

Preparation