Subscribe to Our Youtube Channel
Summary of Contents for Critical Environment Technologies CET-RDM
- Page 1 Operation Manual Rev. B | 2021.12 Remote Display Module www.critical-environment.com...
-
Page 2: Table Of Contents
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... - Page 3 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 ..............
-
Page 4: Policies
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 qualified electrician or factory trained technician and according to instructions indicated in this manual. -
Page 5: Warranty Policy
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. -
Page 6: Copyrights And Registered Trademarks
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 office for an RMA #. All returned goods, regardless of reason, must be accompanied with an RMA number. -
Page 7: Revisions
Should you detect any error or omission in this manual, or should you want to inquire regarding upgrading the device’s firmware, 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... -
Page 8: Introduction
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 a refrigeration application where relevant location to the controller;... -
Page 9: Instrument Specifications
Rev. B | 2021.12 RDM - Operation Manual 3 INSTRUMENT SPECIFICATIONS 3.1 Technical Specifications MECHANICAL ABS / Polycarbonate, rated UL94-5VA, designed Enclosure 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 0.5 W of power using the 24 VDC supplied by the Power Requirement... - Page 10 RDM - Operation Manual Rev. B | 2021.12 USER INTERFACE 4-line, 20 character LCD display and LED indicators Display for “STATUS 1, 2 and 3” , “FAULT” Configurable contrast (default is 20) Status LED indicators for low, mid, high and fault Indicator alarms Menu...
-
Page 11: Enclosure Dimensions
Rev. B | 2021.12 RDM - Operation Manual CERTIFICATION Model: CET-RDM S/N: RDM1603B00001 Rating: 24 VDC, 0.5W, Class 2 CERTIFIED FOR ELECTRIC SHOCK & ELECTRICAL FIRE HAZARD ONLY. LA CERTIFICATION ACNOR COUVRE UNIQUEMENT LES RISQUES DE CHOC ELECTRIQUE ET D’INCENDIE D’ORIGINE ELECTRIQUE. -
Page 12: Instrument Features
RDM - Operation Manual Rev. B | 2021.12 4 INSTRUMENT FEATURES 4.1 Exterior Enclosure NUMBER FEATURE FUNCTION Door Hinge Secures door. Display 4 lines x 20 characters. Status 1, 2, 3 Indicates channel alarm status. -
Page 13: Interior System Layout
Rev. B | 2021.12 RDM - Operation Manual ARROW UP Press to scroll up through menu. ENTER Press to select menu choice. ARROW DOWN Press to scroll down through menu. Fault LED Indicates unit fault condition. Door Screw Secures the door of the enclosure. -
Page 14: Installation
RDM - Operation Manual Rev. B | 2021.12 NUMBER FEATURE FUNCTION Termination resistor. If this device is the last one in the network chain, a termination Jumper Bank (J5) resistor should be connected by placing a jumper in the EN position ®... -
Page 15: Protection Against Electrical Risks
Rev. B | 2021.12 RDM - Operation Manual The RDM requires no assembly and virtually no maintenance. There are no serviceable elements or replaceable components. 5.2 Protection Against Electrical Risks The RDM Remote Display is designed to be powered by the FCS. Disconnect all power to all network devices before servicing. -
Page 16: Enclosure Interior Base
RDM - Operation Manual Rev. B | 2021.12 After installation, simply locate the lid hinges over the installed base hinges and pull toward you. The hinges should easily “snap” back into place. The enclosure has one screw securing the door to the base for electrical safety and provides an opening to allow the user to apply a padlock or tie wrap if they desire the transmitter to be locked. -
Page 17: Enclosure Bottom
Rev. B | 2021.12 RDM - Operation Manual NUMBER FEATURE Door Hinge Mounting Holes 5.4.2 Enclosure Bottom NUMBER FEATURE Door Hinge 1/2” Conduit Entry Knockout 5.5 Wiring Power Connections The RDM Remote Display is a low voltage powered device. Any application of operating voltages higher than indicated in the specification may result in damage. -
Page 18: Wiring The Rdm To The Fcs
RDM - Operation Manual Rev. B | 2021.12 External power to the RDM must be supplied by a 24 VDC power supply or a Class 2 (or better) transformer and connected to the Modbus® wiring terminal. The wiring should be 4-conductor shielded 16 awg stranded within conduit in a network wiring (daisy-chain) configuration. - Page 19 Rev. B | 2021.12 RDM - Operation Manual Once the RDM Remote Display is wired to the FCS, the controller needs to be told that the RDM exists as a remote device. This is done at the controller. Refer to the FCS Operation Manual for instructions. Similarly, in order for the controller to communicate with the RDM, the two devices must have the same baud rate.
-
Page 20: System Operation & Configuration
RDM - Operation Manual Rev. B | 2021.12 6 SYSTEM OPERATION & CONFIGURATION 6.1 Navigating the Menu Structure There are three push-button keys to the right of the display that are used to navigate through the RDM Remote Display menu structure. To enter the menu, press E. -
Page 21: Power Up And Warm-Up
Rev. B | 2021.12 RDM - Operation Manual 6.3 Power Up and Warm-up Upon power up, if the RDM is connected to an FCS, (and the controller’s menu is not being accessed), the RDM will display the gas readings on the display line by line at an approximate speed of 1 to 3 seconds. - Page 22 RDM - Operation Manual Rev. B | 2021.12 At the end of each line a letter may be displayed that provides information about the status of the Channel: Letter Description none System working normally Channel disabled Channel is in Fault condition Channel cannot communicate with transmitter Channel Configuration Fault Channel is in low alarm...
-
Page 23: Set Lcd Display Contrast Level
Rev. B | 2021.12 RDM - Operation Manual and relays depending on additional settings that can be enabled. Some of these setting are Override and ON/OFF Delays. These will show a counter indicating how much time is remaining until the action will end or start. For more information, refer to the FCS Operation Manual. -
Page 24: Modbus® Settings
RDM - Operation Manual Rev. B | 2021.12 6.6 Modbus® Settings The RDM operates on a local area network (LAN) using Modbus® RS-485 RTU serial communications. In order for communication to be successful between devices, be sure your network connection is complete, the network termination switches are set appropriately and all the devices are configured with the same baud rate, character format, etc. -
Page 25: Set Baud Rate
Rev. B | 2021.12 RDM - Operation Manual screen. 6.6.2 Set Baud Rate All devices on the same network must have the same baud rate. The factory If you default Modbus® baud rate for all CETCI Modbus® devices is 19,200. need to change the baud rate, in the Basic Menu (passcode 1001), press the ARROW keys to scroll through the menu and select Set Baud rate. -
Page 26: Mask Lines
RDM - Operation Manual Rev. B | 2021.12 choose Auto on. The RDM will sample existing traffic on the network to determine the correct baud rate. This is useful if the RDM gets lots of framing errors. It will automatically change the baud rate until it stops getting the errors. If Auto is turned off, the RDM will be locked into whatever baud rate has been selected. -
Page 27: Set Silence Duration
Rev. B | 2021.12 RDM - Operation Manual Example of RDM display with Channel 3 and Channel 4 hidden: 6.8 Set Silence Duration Use the Set Silence Duration to configure the length of time the RDM should be silenced for a channel that has gone into alarm. Only the channels being displayed by the RDM can trigger the buzzer or strobe connected to the RDM. -
Page 28: Maintenance
RDM - Operation Manual Rev. B | 2021.12 7 MAINTENANCE The RDM Remote Display requires no assembly and virtually no maintenance. It is important to ensure that water and/or dust is not somehow entering the enclosure and physically damaging the circuit board or internal components. 8 TROUBLE SHOOTING RDM won’t power up. - Page 29 Rev. B | 2021.12 RDM - Operation Manual Changes made using the FCS regarding how/what channels are displayed on the RDM do not show as expected. Changing the display functionality or priority selection channels for the RDM on the FCS generally require a restart of the FCS. Push and hold the button on the FCS circuit board until the buzzer chirps (approximately a count of 10), let go and the FCS will do a restart.
- Page 30 RDM - Operation Manual Rev. B | 2021.12 NOTES © 2021 All rights reserved. Data subject to change without notice.
- Page 31 Rev. B | 2021.12 RDM - Operation Manual NOTES © 2021 All rights reserved. Data subject to change without notice.
- Page 32 SAFER AIR EVERYWHERE. www.critical-enviroment.com RDM-20211213-Rev-B Unit 145, 7391 Vantage Way, Delta, BC V4G 1M3 Canada Tel: +1.604.940.8741 Toll Free: +1.877.940.8741 © 2021 All rights reserved. Data subject to change without notice.
Need help?
Do you have a question about the CET-RDM and is the answer not in the manual?
Questions and answers