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Summary of Contents for LTH Electronics MXD73
- Page 1 MXD73 Multi-parameter Monitor Installation Guide...
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Page 3: Preface
Preface Product warranty The MXD73 has a warranty against defects in materials and workmanship for three years from the date of shipment. During this period LTH will, at its own discretion, either repair or replace products that prove to be defective. The associated software is provided ‘as is’... - Page 4 Disposal As per directive 2002/96/EC, please observe the applicable local or national regulations concerning the disposal of waste electrical and electronic equipment. MXD73 Installation Guide - 2 -...
- Page 5 Preface Declaration of Conformity MXD73 Installation Guide - 3 -...
- Page 6 Preface Blank MXD73 Installation Guide - 4 -...
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Page 7: Table Of Contents
Introduction ......................7 MXD73 Instrument Specification ..............9 Installation – Safety & EMC ................11 Noise suppression ....................12 MXD73 Add-in Cards Installation ..............13 Installation – MXD73 ................... 17 MXD73 Connections ................... 19 Supply Voltage Connections ..............20 Current Output Connections ..............21 Relay Connections .................. - Page 8 Contents Blank MXD73 Installation Guide - 6 -...
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Page 9: Introduction
Introduction Introduction he MXD73 is a microprocessor controlled multi-parameter instrument that can be installed with a user selected combination of up to 3 Sensor Input Cards. The instrument may be subsequently modified to meet changing requirements by the installation of additional, or different, cards and the attachment of the appropriate sensor(s). - Page 10 Introduction MXD73 Rear Termination Overview MXD73 Installation Guide - 8 -...
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Page 11: Mxd73 Instrument Specification
Introduction MXD73 Instrument Specification Input Expansion Slots 3 slots, user configurable with any combination of available input add-in cards. Output Expansion Slots 1 slot, user configurable with an additional output option add-in card. Ambient Operating Temperature -20°C to +50°C (-4°F to +122°F) for full specification. - Page 12 (IEC 60529 Protection Rating) Weight Maximum 880 grams (instrument only). Dimensions Front 128 x 116 x 23 mm (H, W, D). Dimensions Rear 89 x 89 x 161 mm (H, W, D), including connectors. MXD73 Installation Guide - 10 -...
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Page 13: Installation - Safety & Emc
LOCAL WIRING AND SAFETY REGULATIONS SHOULD BE STRICTLY ADHERED TO WHEN INSTALLING THIS UNIT. SHOULD THESE REGULATIONS CONFLICT WITH THE FOLLOWING INSTRUCTIONS, CONTACT LTH ELECTRONICS OR AN AUTHORISED LOCAL DISTRIBUTOR FOR ADVICE. To maintain the specified levels of Electro Magnetic Compatibility (EMC, susceptibility to and emission of electrical noise, transients and radio frequency signals) it is essential that the types of cables recommended within these instructions be used. -
Page 14: Noise Suppression
Fit an in-line mains filter close to the power terminals of the instrument. In cases of very high background RF and HF noise environments, LTH can supply a length of proprietary RF suppressing mains cable. MXD73 Installation Guide - 12 -... -
Page 15: Mxd73 Add-In Cards Installation
The MXD73 can be fitted with up to 3 sensor input cards and 1 output option card. The sensor input cards are designated Input Card 1, Input Card 2 and Input Card 3. On the instrument display these are designated Channel 1, Channel 2 and Channel 3. - Page 16 Then remove the four screws shown on the following diagram. Remove the rear cover and the instrument should look like the next figure, note depending on the configuration of the instrument the add-in card slots may already be populated. MXD73 Installation Guide - 14 -...
- Page 17 Insert the card all the way in until the far connector is fully home. The following figure demonstrates the instrument with all three channel slots and the output option slot occupied. Next remove the required knock-outs from the rear cover MXD73 Installation Guide - 15 -...
- Page 18 Then depending upon the options installed affix the accompanying add-in description labels to the rear cover in the locations shown. Finally put the rear cover back on the unit, screw the 4 screws and plug the connectors back in. MXD73 Installation Guide - 16 -...
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Page 19: Installation - Mxd73
Installation Installation – MXD73 The MXD73 panel mount instrument is designed to be flush mounted and sealed in a square cut-out panel, and is held in place with the four screw clamps provided. MXD73 Overall Dimensions The panel cut-out for the instrument should be 92 mm x 92 mm (+1.0 -0.0) ... - Page 20 Installation Blank MXD73 Installation Guide - 18 -...
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Page 21: Mxd73 Connections
Connections MXD73 Connections Connections to the MXD73 panel mount instrument are made with up to six plug and socket terminal blocks, accessible to the rear of the unit. The availability of the terminals will vary depending upon which options are installed. -
Page 22: Supply Voltage Connections
Supply Voltage Connections The MXD73 can be powered from either an AC or DC supply voltage. The unit provides two terminals for each of the input connections (“Live” & “Neutral” for an AC input, or + & - for a DC Input), plus an “Earth”... -
Page 23: Current Output Connections
Connections Current Output Connections The MXD73 can be supplied with up to 6 current outputs designated A to F, which can terminate into a load resistance not exceeding 750. For best noise immunity use a screened twisted pair cable, with the screen connected to Earth at one end. Use a sufficiently large cable to avoid a high resistance in the overall current loop. -
Page 24: Relay Connections
Connections Relay Connections The MXD73 can be supplied with up to 6 relays designated 1 to 6, 1 to 4 are change over relays while 5 to 6 are normally open relays The relay contacts are connected to the terminals only and are electrically isolated from the instrument itself. They must be connected in series with a 5 Amp fuse. -
Page 25: Digital Inputs
The MXD73 features a SD card interface which is compatible with SD, SDHC and SDXC formatted cards (N.B. SDXC cards may need formatting by the MXD73 before use – see user interface guide). The card can be removed whilst the instrument is on but only when the disk icon is not shown at the top of the display. -
Page 26: Guarantee And Service
LTH manufacture, which are subject to a separate agreement. All sensors made by LTH Electronics Ltd are thoroughly tested to their published specification before despatch. As LTH have no control over the conditions in which their sensors are used, no further guarantee is given, although any complaints concerning their operation will be carefully investigated. -
Page 27: Index
Service ............24 I Specification ..........9 Installation ..........11 Standards ............2 Add-in Cards T MXD73 Telephone ............ 1 Interference ..........12 W K Warranty ............1 Knock-Outs ..........15 Weight ............10 Wiring ............11 MXD73 Installation Guide - 25 -... - Page 28 Notes MXD73 Installation Guide - 26 -...
- Page 30 Chaul End Lane Luton Bedfordshire LU4 8EZ United Kingdom Telephone: +44 (0) 1582 593693 Fax: +44 (0) 1582 598036 Email: sales@lth.co.uk Web: www.lth.co.uk...
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