LTH Electronics MXD70 Series User manual

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MXD70 SERIES
Multi-parameter Monitor
User Interface Guide

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Preface
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User Interface Guide - 1 -
Preface
Product warranty
The MXD70 Series has a arranty against defects in materials and orkmanship for three
years from the date of shipment. During this period LTH ill, at its o n discretion, either
repair or replace products that prove to be defective. The associated soft are is provided
‘as is’ ithout arranty.
Limitation of warranty
The foregoing arranty does not cover damage caused by accidental misuse, abuse,
neglect, misapplication or modification.
No arranty of fitness for a particular purpose is offered. The user assumes the entire risk of
using the product. Any liability of LTH is limited exclusively to the replacement of defective
materials or orkmanship.
Disclaimer
LTH Electronics Ltd reserves the right to make changes to this manual or the instrument
ithout notice, as part of our policy of continued developments and improvements.
All care has been taken to ensure accuracy of information contained in this manual.
Ho ever, e cannot accept responsibility for any errors or damages resulting from errors
or inaccuracies of information herein.
Copyright and trademarks
All rights reserved. Translations, reprinting or copying by any means of this manual,
complete or in part or in any different form requires our explicit approval.
MXD70 is a trademark of LTH Electronics Ltd
Second edition: October 2011
LTH Electronics Ltd
Chaul End Lane
Luton Telephone : [phone]
Bedfordshire Fax : [phone]
LU4 8EZ email : [email protected]
England Web : .lth.co.uk

Preface
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User Interface Guide
Manufacturing Standards
Electromagnetic compati ility
This instrument has been designed to comply ith the standards and regulations set do n
by the European EMC Directive 2004/108/EC using BS EN 61326: 2006
Safety
This instrument has been designed to comply ith the standards and regulations set do n
by the European Lo Voltage Directive 2006/95/EC using BS EN 61010-1: 2001
Quality
This instrument has been manufactured under the follo ing quality standard:
ISO 9001:2008. Certificate No: FM 13843
Note: The standards referred to in the design and construction of LTH products are those
prevailing at the time of product launch. As the standards are altered from time to time, e
reserve the right to include design modifications that are deemed necessary to comply
ith the ne or revised regulations.

Contents
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Contents
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Preface.........................................................................................................................1
Contents .....................................................................................................................3
User Interface............................................................................................................5
The Front Screen...............................................................................................5
The Menu System .............................................................................................6
Security Code Access.............................................................................................9
Access Code Management......................................................................... 10
Enter Ne Code.............................................................................................. 11
Configuration ........................................................................................................ 13
Main Menu........................................................................................................ 13
Time / Date....................................................................................................... 13
Change Display Contrast ............................................................................ 14
Setup Front Screen........................................................................................ 15
Setup Menu Header...................................................................................... 16
Service Alarms................................................................................................. 17
Update Soft are .................................................................................................. 19
Error Messages...................................................................................................... 21
Save, Restore & Reset.......................................................................................... 23
Index ......................................................................................................................... 26

Contents
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User Interface Guide
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User Interface
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User Interface
User Interface
CAUTION! BEFORE PROCEEDING, ENSURE THAT THE INSTALLATION INSTRUCTIONS HAVE BEEN
FOLLOWED CORRECTLY. FAILURE TO DO SO MAY RESULT IN AN ELECTRICALLY HAZARDOUS
INSTALLATION OR IRREPARABLE DAMAGE TO THE INSTRUMENT.
The MXD70 Series uses a high quality backlit 3¾” QVGA LCD to display the channel readings and
settings. This is accompanied by 5 control buttons hose function varies depending upon hich
screen the user is vie ing. The button function is indicated by the control section at the bottom of the
display. Also present are six Setpoint Status LEDs that hen illuminated indicate hich setpoint / relay
is active. Located bet een the setpoint LEDs there are t o Alarm Status LEDs hich provide clear
indication of a fault ithin the instrument.
The Front Screen
The MXD70 Series front screen has the capability of sho ing up to three sensor input channels. Each
channel sho s the main sensor reading and t o secondary readings hich can be customised to the
users requirement. If only one channel is displayed on the front screen then the ability to sho up to
t o current output trends becomes available. Alternatively a current outputs trend screen is available.
See Setup Front Screen on page 15 for more information.

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User Interface Guide
User Interface
Front Screen Trends Current Output Trends
The Menu System
When the instrument is s itched on it ill complete a configuration check that ill take approximately
60 seconds after this it ill default to the front screen. The user interface is arranged in t o ays, the
first is a quick configuration overvie hich is accessible by scrolling left or right from the front screen
as sho n belo .
Scrolling Menu Layout
The second menu is accessible by pressing the menu button on the front screen. This then brings up
the main menu from hich the user can access the instruments settings.
The main menu is split into t o main sections. The top sho s the current time & date, the unit status
and the instrument’s current readings. The bottom section sho s the current options for that menu
hich may be selected by moving the cursor ith the arro buttons and pressing the enter button.
The exit button is used to return to the previous menu or alternatively if held do n for 3 seconds ill
take the instrument straight back to the front screen. If no buttons are pressed after 2 minutes the
instrument ill default back to the front screen. To the right of the menu screen arro s ill indicate if
there are further menu pages above or belo the current one.

User Interface
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User Interface Guide - 7 -
User Interface
When changing a setting an option pop-up ill appear from hich the user can select an option or
alternatively enter in a value. Note hen looking at a list of options an arro in the top right or bottom
right corner of the pop-up indicates further options above or belo the ones currently sho n.

User Interface
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User Interface Guide
User Interface

Security Code Access
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User Interface Guide - 9 -
Security Code Access
Security Code Access
To protect the instrument setup from unauthorised or accidental tampering, a security access code
system is present. This is implemented via the instrument’s menu system hich operates in t o
modes, “locked” as indicated by a padlock symbol and “unlocked” as indicated by a key symbol.
The locked mode allo s the user to observe the instruments configuration but ithout the ability to
change it. If the user ishes to change a setting then the “Security Code” pop-up ill appear that ill
prompt them to enter the security code hich ill then change the instruments mode to “unlocked”.
Once unlocked, the user can change any setting ithout having to re-enter the security access code,
ho ever the instrument ill automatically lock itself if no further buttons are pressed after 2 minutes
30 seconds.
The default security access code is 1000
Select the option you ish to change and press enter
to bring up the Security Code pop-up.
/ – Select Option
EXIT – Cancel
– Chose Option
Enter the required Access Code.
If the code is incorrect the user ill be prompted to
try again.
If the code is correct the padlock at the top of the
screen ill turn to a key and the unit ill be unlocked
/ – Increase / Decrease Digit


 – Select Next Digit
EXIT – Cancel
– Enter Code
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Security Code Access
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User Interface Guide
Security Code Access
Access Code Management
The user can select their o n access code in the access code management menu, or alternatively they
can disable the security system permanently by changing the access code to 0000.
Main Menu
From the front screen press the menu button to
sho the main menu options and select Access Code
Management.
/ – Select Option
EXIT – Return to Front Screen
– Enter Option
Access Code Management
Select change user access code.
/ – Select Option
EXIT – Return to Main Menu
– Enter Option
Enter Current Code
The user is required to enter the existing security
code before the ne code can be entered.
/ – Increase / Decrease Digit


 – Select Next Digit
EXIT – Cancel
– Enter Code

Security Code Access
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User Interface Guide - 11 -
Security Code Access
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Enter New Code
Enter the ne security access code
NB. Set the ne code to 0000 to disable the security
access system and permanently unlock the
instrument.
/ – Increase / Decrease Digit


 – Select Next Digit
EXIT – Cancel
– Save Code
New Code Confirmation
Confirm the change of the security access code.
EXIT – Cancel
– Confirm Change
Change Confirmation
The instrument ill then confirm that the
security code has been successfully changed.
– Exit
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Security Code Access
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User Interface Guide
Security Code Access

Configuration
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User Interface Guide - 13 -
Configuration
Configuration
The configuration menu enables the user to configure the basic operating parameters of the
instrument.
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Main Menu
From the front screen press the menu button to
sho the main menu options and select
Configuration.
/ – Select Option
EXIT – Return to Front Screen
– Enter Option
Language
The MXD70 Series has the ability to support
multilingual menus. The language of choice can be
selected from this menu.
/ – Select Option
EXIT – Cancel
– Save Selection
Time / Date
Configure the internal battery backed clock.
/ – Select Option
EXIT – Return to Main Menu
– Enter Option

Configuration
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User Interface Guide
Configuration
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Set Time
Sets the instruments time.
/ – Increase / Decrease Digit


 – Select Next Digit
EXIT – Cancel
– Save Time
Set Date
Sets the instruments date.
/ – Increase / Decrease item


 – Select Next item
EXIT – Cancel
– Save date
Change Display Contrast
This allo s the user to adjust the contrast of the
display to compensate for environmental conditions
that may affect the readability of the display.
/ – Select Option
EXIT – Return to Main Menu
– Enter Option
/ – Adjust Contrast
EXIT – Return to Configuration Menu
– Save Contrast

Configuration
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User Interface Guide - 15 -
Configuration
Setup Front Screen
This allo s the user to customise the information the
front screen displays
/ – Select Option
EXIT – Return to Main Menu
– Enter Option
Select Front Screen Channel
Select hich front screen channel you ish to edit
/ – Select Option
EXIT – Return to Configuration Menu
– Enter Option
Channel Setup
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Channel sho n – Select hether the channel is
sho n or not.
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i), ii) – Define hich is displayed in the either of the
t o secondary reading slots. Available options
depend on the selected input card type but
include temperature, sensor current, pressure and
any associated current output values.


Channel Label – Enter the channel identification
label to be sho n on the front screen. (Maximum 7
characters.)
/ – Select Option
EXIT – Return to Configuration Menu
– Enter Option
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Configuration
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User Interface Guide
Configuration
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Front Screen Trend
If only one channel is displayed on the front screen
the user has the ability to sho up to t o current
output trends called 4-20mA Output Slot 1, and 4-
20mA Output Slot 2. Note, that you ill only be able
to select the current outputs that are associated ith
the displayed channel.
/ – Select Option
EXIT – Cancel
– Save Selection
Setup Menu Header
This allo s the user to customise the information the
menu header displays.
/ – Select Option
EXIT – Return to Main Menu
– Enter Option
Select Menu Header
By looking at the legend sho n select hich menu
header location you ish to edit, then chose the
value from the displayed pop-up.
/ – Select Option
EXIT – Return to Configuration Menu
– Enter Option

Configuration
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User Interface Guide - 17 -
Configuration
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Service Alarms
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The MXD70 Series has an inbuilt Service Alarm for
each channel hich ill activate hen the
maintenance engineer’s service interval has expired.
Note. By default the alarms are disabled and can only
be setup using the service access code hich can be
obtained from LTH Electronics.
/ – Select Option
EXIT – Return to Main Menu
– Enter Option
Select Service Alarm Channel
Select hich service alarm the user ishes to edit.
/ – Select Option
EXIT – Return to Configuration Menu
– Enter Option
Setup Service Alarm
Service alarm configuration:
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Service Due Date: Update – Automatically
increment the next service date by the service
interval. Requires service security code prior to use.
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Service Reminder – Turn the service alarm on or
off. Requires service security code prior to use.
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Service Interval – Set the Service Interval. Requires
service security code prior to use.
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Next Service Date – Sets the exact service date.
Requires service security code prior to use.
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
Defer Service Date – Only appears once the service
interval has expired. Increases the service interval
by an extra 7 days. Requires standard security code
prior to use.
/ – Select Option
EXIT – Return to Select Service Alarm Menu
– Edit Option

Configuration
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User Interface Guide
Configuration
Software Status
Provides information about the soft are version and
serial numbers of the instrument.
/ – Select Option
EXIT – Return to Main Menu
– Enter Option
EXIT – Return to Configuration Menu