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4 – The MX43 Central Unit

15

Chapter 4

І

The MX43 Central Unit

Overview of the Unit

External view

080

Rep.

Function

Rep.

Function

A.

Monochromatic, backlit graphic
display

H.

Failure/maintenance indicator

B.

Zone 1 status indicator

J.

Contextual soft keys

C.

Zone 2 status indicator

K.

Alarm release key

D.

Integrated siren (option)

L.

Free identification of zones

E.

Integrated flash (optional)

M.

Strip for locating zones

F.

Lock

N.

Handle

G.

Start/Stop indicator

Figure 8: External view of the wall-mounted and rack-mounted versions.

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Summary of Contents for MX 43

Page 1: ...Version de contr le n 2 du 14 juin 2007 MX43 Central Digital and Analog Measurement Unit User Manual P N NPM43GB Revision A...

Page 2: ...ustrial Scientific Oldham S A S is forbidden The information contained in this manual is accurate to our knowledge As a result of continuous research and development the specifications of this product...

Page 3: ...Introduction to the Application 3...

Page 4: ...ement and control of the gases present in the atmosphere 8 The COM43 Application 10 Chapter 3 Mechanical Installation 11 MX 43 Central Measurement Unit 11 Digital Modules 13 Chapter 4 The MX43 Central...

Page 5: ...General Menu Tree 43 Navigation Key Functions 43 Display in normal mode 44 Main Menu 45 System 45 Programming 46 Calibration 46 Maintenance 49 Information 49 Chapter 8 Principal references 54 Chapter...

Page 6: ...of its equipment to increase their performance without prior notice The present instructions and their content are the inalienable property of Industrial Scientific Oldham Symbols used Icon Significa...

Page 7: ...tent in the field Failure to adhere to the instructions can have serious consequences on the safety of persons Absolute strictness is required above all as regards electricity and assembly coupling ne...

Page 8: ...4 or 8 lines or rack mounted MX43 8 lines different modules detector with digital or analog output logic inputs analog inputs relay outputs and analog outputs The MX43 instantly handles the measuremen...

Page 9: ...igital detectors as well as digital modules MX43 Configuring PC with the COM43 application Analog detectors Digital detectors 2 logic inputs Analog recorders Module 4 4 20 mA outputs Module 8 relays M...

Page 10: ...n each line it is possible to connect a 4 20mA analog detector or one or several digitally addressable modules Maximum number of Versions Modules 1 Detectors External relays Logic inputs Analog ouputs...

Page 11: ...nlight exposure and protected from humidity dust and temperature variations It shall preferably be located in a place under supervision guardhouse control room or instrument room for example Attachmen...

Page 12: ...s to the unit must be ensured in order to facilitate adjustments and monitoring and likewise in the back in order to allow easy access to the different connectors at the rear This rack is built into a...

Page 13: ...he operations of inspection and maintenance as well as the absolute safety of the operators The detectors must not be obstructed by anything that will prevent them from measuring the ambient environme...

Page 14: ...14 MX43 User manual...

Page 15: ...display H Failure maintenance indicator B Zone 1 status indicator J Contextual soft keys C Zone 2 status indicator K Alarm release key D Integrated siren option L Free identification of zones E Integ...

Page 16: ...Red Green Significance Fast blinking Fast blinking Normal functioning of the line Tx communication request Rx response of digital module s Irregular blinking Irregular blinking Bad communication qual...

Page 17: ...n of maintenance Minimum time of activation adjustable from 0 to 900 seconds Automatic release Time adjustable between 15 and 900 seconds beyond which the buzzer relay is automatically released Reacti...

Page 18: ...SB port to MX43 3 Updating of the internal software of MX43 from a PC MX43 restarts automatically 4 Updating of the internal software of MX43 from a USB port MX43 restarts automatically Once the param...

Page 19: ...play screen or parameter setting display menu on the left Refer to the paragraph Display in normal mode on page 45 for information about what may be displayed on the screen Contextual Keys B The funct...

Page 20: ...uested by pressing the Alarm reset key on the front face Blinking light At least one of the gas detectors has an active alarm The release is programmed in manual mode The alarm relays are activated in...

Page 21: ...the internal battery pack Failure maintenance orange indicator Off No failure detected Fixed light Presence of some failure central unit detector communication memory The alarm goes off automatically...

Page 22: ...ctors The alarms may be programmed for automatic or manual release except OVS UDS and clear doubt Automatic deletion of alarms The release resetting of alarms does not require any intervention The man...

Page 23: ...ays 5 alarm relays R1 to R5 are common to all the lines The internal buzzer is common to all the alarms of all the lines it is activated on the appearance of an event failure or alarm The common failu...

Page 24: ...24 MX43 User manual...

Page 25: ...ines of the MX43 up to a limit of 32 modules on a version of 8 lines or 16 modules on a 4 line version The following table regroups the available modules Type of module Illustration Page Digital gas d...

Page 26: ...hould be visible For protection against any electromagnetic disturbances the data as well as screen wires or braids must be cut as short as possible 042 Figure 14 Principle of connecting modules to a...

Page 27: ...ressing table address depends on switch positions Remarks The physical address of a module 1 to 32 must be identical to the address stated on the configuration program COM43 in the central unit During...

Page 28: ...is no alarm when the contact is open B Module configuration switches These switches are set according to the following table Term Symbol Slave number Num ro esclave See details in the paragraph Module...

Page 29: ...th in addition the release of the relay even if the event is still present The time lapses are Duration of maintenance Minimum time of activation adjustable from 0 to 900 seconds Automatic release If...

Page 30: ...connector C Logic inputs 1 to 16 104 Figure 20 Module of 16 logic inputs A Module configuration switches These switches are set according to the following table Term Symbol Slave number Num ro esclave...

Page 31: ...bridge as per A K Filament current calibration factory setting L 4 20mA division strap in case of parallel operation of several analog detectors on the same line application parking M Power supply and...

Page 32: ...d gas to get 4 mA Place the multimeter between points E and D Figure 22 If the value measured is different from 0 4 V adjust C 2 Sensitivity calibration After injecting the gas place the multimeter be...

Page 33: ...tput module A Logic input connectors Each of these two terminal jacks Figure 24 A may be connected to a voltage free contact in accordance with Figure 38 Input status is transmitted by the digital lin...

Page 34: ...ous injuries or even death It is advised to install the material and cabling before applying live voltage As an incorrect or poor installation may cause measurement errors or system failures it is nec...

Page 35: ...versions External 24V DC Power Supply The MX43 can be powered from a 22 to 28 V AC source at 50 3 2 A 1 5 A max In this case connect the 24VDC source to the corresponding terminal jack Figure 26 A res...

Page 36: ...ital lines The cabling of the digital lines connecting the central unit to the different modules deployed along the lines are the subject of the paragraphs OLCT1ON Modules 4 or 8 relay modules 16 logi...

Page 37: ...6 Electrical Connections 37 Default transition to power supply from the backup battery pack system anomaly etc The deletion of this relay is automatic Table 10 Internal alarm relays...

Page 38: ...on the purpose of the relay configuration positive or negative safety The relays are programmed via the COM 43 application Remote Release Connector If necessary connect the RELEASE dry contact NO term...

Page 39: ...L to ON 16 Logic Input Module 106 Figure 35 16 logic input module connections If this module is the last on the line do not forget to set the switch marked EOL resistor resistance FDL to ON 4 or 8 out...

Page 40: ...module connections for an explosive gas detection detector of the Wheatstone Brdge CEX300 ou OLC type 1 If this module is the last of the line do not forget to set the jumper marked EOL Resistor to Cl...

Page 41: ...nections If this module is the last of the line do not forget to set the jumper switch marked EOL Resistor FDL resistance to the ON position To the next module To MX43 or the previous module Output 4...

Page 42: ...42 MX43 User manual...

Page 43: ...5 INFORMATION See page 46 See page 47 See page 48 See page 50 See page 50 ECR_90_91_92_93_94 Figure 38 General menu tree of the MX43 Navigation Key Functions Key Function Vertical displacement in the...

Page 44: ...detectors on all the lines Menu Display of main menu See paragraph Main menu on page 46 See 4 Detectors Display of a group of 4 detectors detector tag barograph with indication of alarms value of cur...

Page 45: ...ell as software application verifications Passwords The central unit is protected by two access codes both set at 1000 by default upon leaving the factory You can change the passwords in this menu via...

Page 46: ...current detector Last passed calibration Date and time of the last calibration carried out and completed Last sensor replacement Date and time of last cell change Wear rate Relation between the value...

Page 47: ...ut corresponding to the detector range For detectors connected to the analog input module perform the adjustments directly on the module cf page 28 Attention During calibration the standard gas must b...

Page 48: ...the area of interest of the curve with the and keys Press Zoom up to the activation of the command Sens If applicable adjust the position of the cursor so as to make the OK appear in turn indicating t...

Page 49: ...The screens management of relays outputs etc are those of Normal operation The internal relay and the common default LED are activated To change the value of a detector use the keys to increase or de...

Page 50: ...status activated ON or deactivated OFF as well as the date and time of appearance or release This file cannot be deleted Message Significance UDS The measurement is lower or equal to the value of the...

Page 51: ...est mode Program Programming done on MX43 Time settings Time settings on MX43 Line 1 On Off Start or stop line 1 Line 2 On Off Start or stop line 2 Line 3 On Off Start or stop line 3 Line 4 On Off Sta...

Page 52: ...e 5 short circuit LINE 6 Incident on line 6 short circuit LINE7 Incident on line 7 short circuit LINE 8 Incident on line 8 short circuit CAL O Calibration defect zero shifted CAL S Calibration defect...

Page 53: ...8 lines Message Significance ON MX43 on live voltage OFF MX43 off voltage Self testing failure Failure of internal tests Other messages Contact Post Sales Service Table 17 System incidents file messa...

Page 54: ...line central unit wall mounted version 6 514 884 MX43 8 line central unit rack version 6 514 885 Module with 8 analog inputs 6 314 061 Module with 8 analog inputs for Wheatstone bridge or 4 20mA dete...

Page 55: ...10 Principales r f rences 55 Description Reference Image 4 relay module 6 313 962 8 relay module 6 313 963 Flash and buzzer kit 6 314 066...

Page 56: ...9 Certificate of Compliance 56 Chapter 9 Certificate of Compliance...

Page 57: ...icator Keys Selection 5 multifunction soft touch keys Alarm release Dedicated soft touch key Alarms Limits Parameter setting by COM43 application Indicators 6 status LEDs per line high and low range e...

Page 58: ...outputs only for wall mounted version 12 PE M16 for cables of 4 to 8 mm 6 PE M20 for cables of 6 to 12 mm Insulation 1500 V AC power digital network Output On screwed terminals Maximum admissible cond...

Page 59: ...Locking Wall mounted version by 2 locks with a key Rack version none...

Page 60: ...n Function Management of 4 or 8 relays from the digital signals issued by the MX43 Number of relays 4 or 8 relays CRT outputs Relay type Bistable Configuration in positive or negative safety by mini s...

Page 61: ...ithout cutting the line Tightening torque 0 5 0 6 Nm Cable 2 5 mm maximum Consumption 53 mA max detector excluded Operating temperature 8 bridges 30 C 8 bridges up to 1 km 40 C 8 bridges up to 500 m 4...

Page 62: ...nual Tightening torque 0 5 0 6 Nm Cable 2 5 mm maximum Consumption 5 mA with the 4 lines at stop 36 mA for an activated line 130 mA for the 4 activated lines Assembly Snap on on DIN rail Dimensions 12...

Page 63: ......

Page 64: ...inputs 35 4 relay Module 35 Module with 4 analog outputs 37 Module with 8 analog inputs 36 8 relay Module 35 MX43 31 End of line Resistor 27 External Power Supply 24 V DC 32 I Indicators 17 Integrated...

Page 65: ...ions 35 Module with 8 analog outputs Caracteristics 55 N Navigation Key Functions 44 P Programming switch 14 R Remote Release 39 References 49 Relay Module Introduction 24 RS485 topology 26 S Safety i...

Page 66: ...66 MX43 User manual...

Page 67: ......

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