Critical Environment Technologies CET-RDM Manuel utilisateur

Operation Manual

www.critical-environment.com

RDM Remote Display Module

Rev. B | 2021.12

RDM - Operation Manual Rev. B | 2021.12

TABLE OF CONTENTS

1 POLICIES .......................................................................................................4

1.1 Important Note .................................................................................................4

1.2 Warranty Policy.................................................................................................5

1.3 Service Policy....................................................................................................5

1.4 Copyrights and Registered Trademarks......................................................6

1.5 Disclaimer..........................................................................................................6

1.6 Revisions............................................................................................................7

2 INTRODUCTION .............................................................................................8

2.1 General Description .........................................................................................8

2.2 Key Features .....................................................................................................8

3 INSTRUMENT SPECIFICATIONS....................................................................9

3.1 Technical Specications.................................................................................9

3.2 Enclosure Dimensions ................................................................................. 11

4 INSTRUMENT FEATURES ............................................................................12

4.1 Exterior Enclosure......................................................................................... 12

4.2 Interior System Layout................................................................................. 13

5 INSTALLATION ............................................................................................14

5.1 General Safety Warnings ............................................................................. 14

5.2 Protection Against Electrical Risks............................................................ 15

5.3 Protection Against Mechanical Risks ....................................................... 15

5.4 Enclosure Mounting Components............................................................. 15

5.4.1 Enclosure Interior Base.................................................................. 16

5.4.2 Enclosure Bottom ........................................................................... 17

5.5 Wiring Power Connections.......................................................................... 17

5.6 Wiring the RDM to the FCS.......................................................................... 18

Rev. B | 2021.12 RDM - Operation Manual

6 SYSTEM OPERATION & CONFIGURATION...................................................20

6.1 Navigating the Menu Structure .................................................................. 20

6.2 Accessing the Menu with Passcodes....................................................... 20

6.3 Power Up and Warm-up............................................................................... 21

6.4 Normal Display .............................................................................................. 21

6.5 Set LCD Display Contrast Level.................................................................. 23

6.6 Modbus® Settings........................................................................................ 24

6.6.1 Change Modbus® ID...................................................................... 24

6.6.2 Set Baud Rate .................................................................................. 25

6.7 Mask Lines ..................................................................................................... 26

6.8 Set Silence Duration ..................................................................................... 27

7 MAINTENANCE............................................................................................28

8 TROUBLE SHOOTING...................................................................................28

RDM - Operation Manual Rev. B | 2021.12

1 POLICIES

1.1 Important Note

Read and understand this manual prior to using this instrument. Carefully read

the warranty policy, service policy, notices, disclaimers and revisions on the

following pages.

This product must be installed by a qualied electrician or factory trained

technician and according to instructions indicated in this manual.

This instrument has not been designed to be intrinsically safe. For your safety,

do not use it in classied hazardous areas (explosion-rated environments).

INSTRUMENT SERIAL NUMBER:

______________________________________________________

PURCHASE DATE:

______________________________________________________

PURCHASED FROM:

______________________________________________________

Rev. B | 2021.12 RDM - Operation Manual

1.2 Warranty Policy

Critical Environment Technologies Canada Inc. warrants the products we

manufacture (excluding sensors, battery packs, batteries, pumps, and lters)

to be free from defects in materials and workmanship for a period of two years

from the date of purchase from our facility. Sensors are consumable items and

once they leave our factory, we cannot reuse or resell them. As such, all sensor

sales are nal. Should the sensor itself be faulty, there is a one-year pro-rated

warranty that would apply from the date of purchase from our facility.

The warranty status may be affected if the instrument has not been used and

maintained as per the instructions in the manual or has been abused, damaged,

or modied in any way. The product is only to be used for the purposes stated

in the manual. Critical Environment Technologies is not liable for auxiliary

interfaced equipment or consequential damage.

Prior to shipping equipment to CETCI, contact our oce for an RMA #. All

returned goods, regardless of reason, must be accompanied with an RMA

number. Please read our Warranty and Returns Policy and follow our RMA

Instructions and Form.

Due to ongoing research, development, and product testing, the manufacturer

reserves the right to change specications without notice. The information

contained herein is based on data considered accurate. However, no warranty is

expressed or implied regarding the accuracy of this data.

1.3 Service Policy

CETCI maintains an instrument service facility at the factory. Some CETCI

distributors / agents may also have repair facilities; however, CETCI assumes

no liability for service performed by anyone other than CETCI personnel.

Repairs are warranted for 90 days after date of shipment (sensors have

individual warranties). Should your instrument require non-warranty repair, you

RDM - Operation Manual Rev. B | 2021.12

may contact the distributor from whom it was purchased, or you may contact

CETCI directly.

Prior to shipping equipment to CETCI, contact our oce for an RMA #. All

returned goods, regardless of reason, must be accompanied with an RMA

number. Please read our Warranty and Returns Policy and follow our RMA

Instructions and Form.

If the product is deemed repairable, for liability reasons, CETCI will perform all

necessary repairs to restore the instrument to its full operating condition.

1.4 Copyrights

This manual is subject to copyright protection; all rights are reserved. Under

international and domestic copyright laws, this manual may not be copied or

translated, in whole or in part, in any manner or format, without the written

permission of CETCI.

Modbus® is a registered trademark of Gould Inc. Corporation.

BACnet® is a registered trademark of American Society of Heating,

Refrigeration and Air Conditioning (ASHRAE).

1.5 Disclaimer

Under no circumstances will CETCI be liable for any claims, losses or damages

resulting from or arising out of the repair or modication of this equipment

by a party other than CETCI service technicians, or by operation or use of the

equipment other than in accordance with the printed instructions contained

within this manual or if the equipment has been improperly maintained or

subjected to neglect or accident. Any of the forgoing will void the warranty.

Under most local electrical codes, low voltage wires cannot be run within the

same conduit as line voltage wires. It is CETCI policy that all wiring of our

Rev. B | 2021.12 RDM - Operation Manual

products meet this requirement and all wiring be within properly grounded

(earth or safety) conduit.

1.6 Revisions

This manual was written and published by CETCI. The manufacturer makes

no warranty or representation, expressed or implied, including any warranty of

merchantability or tness for purpose, with respect to this manual.

All information contained in this manual is believed to be true and accurate at

the time of printing. However, as part of its continuing efforts to improve its

products and their documentation, the manufacturer reserves the right to make

changes at any time without notice. In addition, due to improvements made to

our products, there may be information in this manual that does not exist in the

version of the product the user has. Should you detect any error or omission

in this manual, or should you want to inquire regarding upgrading the device’s

rmware, please contact CETCI at the following address:

Critical Environment Technologies Canada Inc.

Unit 145, 7391 Vantage Way, Delta, BC, V4G 1M3, Canada

Toll Free: +1.877.940.8741

Telephone: +1.604.940.8741

Email: [email protected]

Website: www.critical-environment.com

In no event will CETCI, its ocers or employees be liable for any direct, special,

incidental or consequential damages resulting from any defect in any manual,

even if advised of the possibility of such damages.

RDM - Operation Manual Rev. B | 2021.12

2 INTRODUCTION

2.1 General Description

Thank you for purchasing our RDM Remote Display Module. The RDM Remote

Display is designed to connect to the FCS Flexible Control System to provide

convenient viewing of gas readings and system statuses in an alternate and

relevant location to the controller; such as a refrigeration application where

there are two different entrances to the chiller room.

The RDM will display much of the same information as the FCS, such

as gas level readings, channel status and faults.

2.2 Key Features

• 4-lines, 20 character LCD display and LED indicators for alarm STATUS 1,

2, 3 and Fault conditions

• Internal audible alarm

• Modbus®RS-485 RTU communication

• Output for remote strobe and/or horn connection

• Connection loss detection to ensure accurate information is displayed

Rev. B | 2021.12 RDM - Operation Manual

3 INSTRUMENT SPECIFICATIONS

3.1 Technical Specications

MECHANICAL

Enclosure

ABS / Polycarbonate, rated UL94-5VA, designed

to meet IP54 standards. Copper coated interior to

reduce RF interference.

Weight 272 g (9.6 oz)

Size 127 mm x 127 mm x 71 mm (5.0 in x 5.0 in x 2.8 in)

ELECTRICAL

Power Requirement 0.5 W of power using the 24 VDC supplied by the

controller

Current Draw 20.8 mA

Wiring 4-wire shielded network wiring between the controller

and RDM

Communication:

Modbus® RTU over

RS-485

Baud rate: 19,200 (default)

Modbus® ID: 230 (default)

Modbus® Broadcast ID: 253 (default)

Data bits: 8

Start bits: 1

Stop bits: 1

Parity: none

Fuses Automatic resetting thermal

RDM - Operation Manual Rev. B | 2021.12

USER INTERFACE

Display

4-line, 20 character LCD display and LED indicators

for “STATUS 1, 2 and 3” , “FAULT”

Congurable contrast (default is 20)

Indicator Status LED indicators for low, mid, high and fault

alarms

Menu Accessed using up, down and enter push buttons

INPUT/OUTPUT

Communication Receives Modbus® commands from the FCS and

duplicates the much of the display information

Outputs One drive output for a 24V, max 500 mA remote

strobe/horn

Audible Alarm Internal buzzer

ENVIRONMENTAL

Operating

Temperature -20°C to 40°C (-4°F to 104°F)

Operating Humidity 15 - 90% RH non-condensing

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