Page 2 - NON-DISCLOSURE AGREEMENT; TRADEMARKS
MX4428 MXP Engineering /Technical Manual Document: LT0273 Page ii 24 March 2006 Issue 1.5 NON-DISCLOSURE AGREEMENT Tyco (THE COMPANY) and the User of this/these document(s) desire to share proprietary technical information concerning electronic systems. For this reason the company is disclosing to t...
Page 3 - TABLE OF CONTENTS
Document: LT0273 MX4428 MXP Engineering / Technical Manual Issue 1.5 24 March 2006 Page iii TABLE OF CONTENTS NON-DISCLOSURE AGREEMENT....................................................................................................... II END USER LIABILITY DISCLAIMER ................................
Page 7 - CHAPTER 1
Document: LT0273 MX4428 MXP Engineering / Technical Manual Introduction Issue 1.5 24 March 2006 Page 1-1 CHAPTER 1 INTRODUCTION
Page 8 - RELATED
MX4428 MXP Engineering / Technical Manual Document: LT0273 Introduction Page 1-2 24 March 2006 Issue 1.5 1.1 ABOUT THIS MANUAL This manual (MX4428 Product Manual Volume 11) is intended to provide all information and procedures required to incorporate one or more MXPs within an MX4428 system. It pred...
Page 9 - SPECIFICATIONS
Document: LT0273 MX4428 MXP Engineering / Technical Manual Introduction Issue 1.5 24 March 2006 Page 1-3 Volume 9, F4000 MPR Technical & Engineering Manuals , Volume 9-1 provides technical details on the MPR and Addressable devices, and Volume 9-2 provides Engineering Design information for corr...
Page 10 - TERMINOLOGY
MX4428 MXP Engineering / Technical Manual Document: LT0273 Introduction Page 1-4 24 March 2006 Issue 1.5 1.4 TERMINOLOGY AAR Analogue Addressable Responder. AC Alternating Current. ACZ Ancillary Control Zone. ADR Advanced Detector Responder. Analogue Loop The wiring that allows an MXP to communicate...
Page 12 - MXP APPLICATION CONSIDERATIONS
MX4428 MXP Engineering / Technical Manual Document: LT0273 Responder Loop Design Considerations Page 2-2 24 March 2006 Issue 1.5 2.1 MXP APPLICATION CONSIDERATIONS The inclusion of one or more MXPs in an MX4428 system requires consideration of ..... (i) The definition of zones throughout the area to...
Page 13 - LOGICAL RESPONDERS
Document: LT0273 MX4428 MXP Engineering / Technical Manual Responder Loop Design Considerations Issue 1.5 24 March 2006 Page 2-3 2.2 "LOGICAL" RESPONDERS 2.2.1 THEORY The MX4428 Master Panel can transfer data to and from up to 127 uniquely addressed Responders distributed around the MX4428 R...
Page 15 - POINT TO CIRCUIT TO ZONE MAPPING
Document: LT0273 MX4428 MXP Engineering / Technical Manual Responder Loop Design Considerations Issue 1.5 24 March 2006 Page 2-5 MAPPED TO DEVICE 1-16 DEVICE 17-32 DEVICE 33-48 DEVICE 49-64 DEVICE 65-80 DEVICE 81-96 DEVICE 97-112 DEVICE 113-128 DEVICE 129-144 DEVICE 145-160 DEVICE 161-176 DEVICE 177...
Page 16 - IMPLICATIONS TO SYSTEM DESIGN
MX4428 MXP Engineering / Technical Manual Document: LT0273 Responder Loop Design Considerations Page 2-6 24 March 2006 Issue 1.5 So far only input devices have been considered. To continue our example for output devices, if the MX4428 Master generated an output command, via output logic, to turn on ...
Page 17 - CHAPTER 3
Document: LT0273 MX4428 MXP Engineering / Technical Manual Device Information and Programming Issue 1.5 24 March 2006 Page 3-1 CHAPTER 3 DEVICE INFORMATION AND PROGRAMMING
Page 18 - DEVICE TYPES; DEVICES; Code Description
MX4428 MXP Engineering / Technical Manual Document: LT0273 Device Information and Programming Page 3-2 24 March 2006 Issue 1.5 3.1 DEVICE TYPES The MXP can communicate with a mix of up to 200 addressable devices, within limits defined by loop size. 3.1.1 MX DEVICES MX devices fall into three basic t...
Page 23 - DEVICE HANDLING CAPABILITY; DEVICE MAX
Document: LT0273 MX4428 MXP Engineering / Technical Manual Device Information and Programming Issue 1.5 24 March 2006 Page 3-7 3.2 DEVICE HANDLING CAPABILITY 3.2.1 OVERVIEW The parameters which determine the maximum number of each device type that can be put on a loop are as follows. The column “MAX...
Page 24 - LOAD
MX4428 MXP Engineering / Technical Manual Document: LT0273 Device Information and Programming Page 3-8 24 March 2006 Issue 1.5 It is recommended that the PC program F4000CAL is used for conducting the loop loading calculations. However note that it does not include the isolator base loading, this mu...
Page 26 - OUTPUT CONTROL
MX4428 MXP Engineering / Technical Manual Document: LT0273 Device Information and Programming Page 3-10 24 March 2006 Issue 1.5 3.3 OUTPUT CONTROL The following “outputs” are available on the Analogue loop – • Output modules – RIM800, SNM800, and LPS800 • Functional Base outputs of detectors (contro...
Page 27 - STATE
Document: LT0273 MX4428 MXP Engineering / Technical Manual Device Information and Programming Issue 1.5 24 March 2006 Page 3-11 3.3.1 PROGRAMMING The programming of the output functions is done by setting the “mode” value for the RIM800, SNM800, and 814I, and by one of the 7 device parameters for th...
Page 28 - DETECTOR PARAMETER SETTINGS SUMMARY
MX4428 MXP Engineering / Technical Manual Document: LT0273 Device Information and Programming Page 3-12 24 March 2006 Issue 1.5 3.4 DETECTOR PARAMETER SETTINGS SUMMARY The following table gives a summary of the MX4428 default and alternate settings, and approved range, for each detector type. Detect...
Page 29 - DEVICE; ADDRESS & LED BLINK PROGRAMMING
Document: LT0273 MX4428 MXP Engineering / Technical Manual Device Information and Programming Issue 1.5 24 March 2006 Page 3-13 Conversion from detector units to displayed values is by imagining a graph with a series of joined straight lines from (0,0) and passing through each of the above defined p...
Page 33 - 14I IONISATION SMOKE DETECTOR
Document: LT0273 MX4428 MXP Engineering / Technical Manual Device Information and Programming Issue 1.5 24 March 2006 Page 3-17 3.8 814I IONISATION SMOKE DETECTOR 3.8.1 GENERAL The 814I is an ionisation smoke detector. The detector senses the amount of smoke present and sends this value to the MXP. ...
Page 39 - 14CH CARBON MONOXIDE + HEAT DETECTOR
Document: LT0273 MX4428 MXP Engineering / Technical Manual Device Information and Programming Issue 1.5 24 March 2006 Page 3-23 3.10 814CH CARBON MONOXIDE + HEAT DETECTOR 3.10.1 GENERAL The 814CH is a carbon monoxide (CO) detector which also includes a temperature sensor. The detector senses the amo...
Page 41 - MUB UNIVERSAL BASE; MUB AND 5B WIRING; INDICATOR
Document: LT0273 MX4428 MXP Engineering / Technical Manual Device Information and Programming Issue 1.5 24 March 2006 Page 3-25 3.11 MUB UNIVERSAL BASE 3.11.1 GENERAL The MUB accommodates any of the MX 814 series detectors, and may also have an 814RB, 814SB, or MkII Sounder Base plugged into it. 3.1...
Page 42 - BI ISOLATOR BASE
MX4428 MXP Engineering / Technical Manual Document: LT0273 Device Information and Programming Page 3-26 24 March 2006 Issue 1.5 3.12 5BI ISOLATOR BASE 3.12.1 GENERAL The 5BI base is designed for isolating short circuited sections of the analog loop. For instance it can be used where the loop wiring ...
Page 47 - MKII SOUNDER BASE
Document: LT0273 MX4428 MXP Engineering / Technical Manual Device Information and Programming Issue 1.5 24 March 2006 Page 3-31 3.15 MKII SOUNDER BASE 3.15.1 GENERAL The MkII Sounder Base is a range of detector bases which are designed as low cost warning devices, some of which are loop powered and ...
Page 49 - WIRING; Normally Open; PROGRAMMING
Document: LT0273 MX4428 MXP Engineering / Technical Manual Device Information and Programming Issue 1.5 24 March 2006 Page 3-33 Maximum input cable length 10m EOL 200 Ω + / - 5%. Alarm Resistance 100 Ω + / - 5%. (if used) 3.16.3 FIELD WIRING TB1 TB1 TB2 TB 2 L+ L+ L+ L+ L- L- L- L- NEXTDEVICE NEXTDE...
Page 50 - PROGRAMMING OPTIONS - MIM801
MX4428 MXP Engineering / Technical Manual Document: LT0273 Device Information and Programming Page 3-34 24 March 2006 Issue 1.5 For the MIM801 the default value of 15 selects normally closed operation with interrupt on alarm (e.g. for New Zealand callpoints). Setting the mode to 13 disables interrup...
Page 51 - CIM800 CONTACT INPUT MODULE
Document: LT0273 MX4428 MXP Engineering / Technical Manual Device Information and Programming Issue 1.5 24 March 2006 Page 3-35 3.17 CIM800 CONTACT INPUT MODULE 3.17.1 GENERAL The CIM800 Contact Input Module is suitable for interfacing voltage free contacts, e.g. switches, relay contacts, flow switc...
Page 54 - CP820 MANUAL CALL POINT; PROGRAMMING OPTIONS - CP820
MX4428 MXP Engineering / Technical Manual Document: LT0273 Device Information and Programming Page 3-38 24 March 2006 Issue 1.5 3.18 CP820 MANUAL CALL POINT 3.18.1 GENERAL The CP820 Manual Call Point consists of a MIM800 mounted on a Break Glass Switch assembly. The MIM800 is factory programmed with...
Page 56 - DIM800 DETECTOR INPUT MONITOR
MX4428 MXP Engineering / Technical Manual Document: LT0273 Device Information and Programming Page 3-40 24 March 2006 Issue 1.5 3.20 DIM800 DETECTOR INPUT MONITOR 3.20.1 GENERAL The DIM800 Detector Input Module is suitable for interfacing conventional non-addressable detectors e.g. heat detectors, s...
Page 59 - RIM800 RELAY INTERFACE MODULE
Document: LT0273 MX4428 MXP Engineering / Technical Manual Device Information and Programming Issue 1.5 24 March 2006 Page 3-43 3.21 RIM800 RELAY INTERFACE MODULE 3.21.1 GENERAL The RIM800 Relay Interface Module is suitable for relay outputs which require clean voltage free contacts and no supervisi...
Page 61 - SNM800 SOUNDER NOTIFICATION MODULE
Document: LT0273 MX4428 MXP Engineering / Technical Manual Device Information and Programming Issue 1.5 24 March 2006 Page 3-45 3.22 SNM800 SOUNDER NOTIFICATION MODULE 3.22.1 GENERAL The SNM800 Sounder Notification Module is suitable for relay outputs which require supervision of the load wiring and...
Page 63 - LPS800 LOOP POWERED SOUNDER MODULE
Document: LT0273 MX4428 MXP Engineering / Technical Manual Device Information and Programming Issue 1.5 24 March 2006 Page 3-47 3.23 LPS800 LOOP POWERED SOUNDER MODULE 3.23.1 GENERAL The LPS800 Loop Powered Sounder Module is suitable for 24V DC outputs powered by the MX Loop. It can supply up to 75m...
Page 65 - VLC-800MX VESDA LASERCOMPACT
Document: LT0273 MX4428 MXP Engineering / Technical Manual Device Information and Programming Issue 1.5 24 March 2006 Page 3-49 3.24 VLC-800MX VESDA LASERCOMPACT 3.24.1 GENERAL The VLC800 is a derivative of the standard VESDA LaserCOMPACT product family, with the primary difference that it communica...
Page 69 - CHAPTER 4
Document: LT0273 MX4428 MXP Engineering / Technical Manual Analog Loop Design Considerations Issue 1.5 24 March 2006 Page 4-1 CHAPTER 4 ANALOGUE LOOP DESIGN CONSIDERATIONS
Page 70 - ANALOGUE LOOP CONFIGURATION SELECTION; LOOP FAULT TOLERANCE; NZS4512 DESIGN REQUIREMENTS
MX4428 MXP Engineering / Technical Manual Document: LT0273 Analog Loop Design Considerations Page 4-2 24 March 2006 Issue 1.5 4.1 ANALOGUE LOOP CONFIGURATION SELECTION 4.1.1 LINES & LOOPS The interface between the MXP and its addressable devices requires two wires. The MXP has two lines (“left” ...
Page 71 - ANALOGUE LOOP/LINE LAYOUTS; MODE
Document: LT0273 MX4428 MXP Engineering / Technical Manual Analog Loop Design Considerations Issue 1.5 24 March 2006 Page 4-3 4.2 ANALOGUE LOOP/LINE LAYOUTS 4.2.1 LINE MODE The MXP is designed to run in LOOP mode only. The dual line mode of the MPR is not supported. However a star configuration can ...
Page 73 - CONNECTION
Document: LT0273 MX4428 MXP Engineering / Technical Manual Analog Loop Design Considerations Issue 1.5 24 March 2006 Page 4-5 4.2.3 STAR CONNECTION OF ANALOGUE LINES It is not always necessary to connect addressable systems as loops, especially if an existing conventional detector system is being co...
Page 74 - CABLE SELECTION CONSIDERATIONS
MX4428 MXP Engineering / Technical Manual Document: LT0273 Analog Loop Design Considerations Page 4-6 24 March 2006 Issue 1.5 MXP MX DETECTOR LOOP AL AR +VE +VE -VE -VE SPUR1 SPUR2 SPUR3 SPUR4 4 IsolatorBases(with or withoutdetectors) L1 L1 L1 L1 M M M M L2 L2 L2 L2 L L L L L L L L L L L L L L L L L...
Page 76 - NOISE
MX4428 MXP Engineering / Technical Manual Document: LT0273 Analog Loop Design Considerations Page 4-8 24 March 2006 Issue 1.5 4.7 NOISE CONSIDERATIONS Although the MXP loop has been designed for minimum electrical interference, it is still capable of both picking up and generating electrical interfe...
Page 77 - CHAPTER 5
Document: LT0273 MX4428 MXP Engineering /Technical Manual MXP Current Consumption Issue 1.5 24 March 2006 Page 5-1 CHAPTER 5 MXP CURRENT CONSUMPTION
Page 78 - THEORY; CURRENT
MX4428 MXP Engineering / Technical Manual Document: LT0273 MXP Current Consumption Page 5-2 24 March 2006 Issue 1.5 5.1 THEORY The MXP current consumption is considerably higher than that of the other responders (even higher than the MPR, in fact it can be considerably higher than the MPR depending ...
Page 81 - CHAPTER 6
Document: LT0273 MX4428 MXP Engineering / Technical Manual Event Log and Status at MX4428 Issue 1.5 24 March 2006 Page 6-1 CHAPTER 6 EVENT LOG AND STATUS AT MX4428
Page 82 - RETURNED ANALOG VALUES
F4000 MXP Engineering / Technical Manual Document: LT0273 Event Log and Status at MX4428 Page 6-2 24 March 2006 Issue 1.5 6.1 RETURNED ANALOG VALUES The MXP returns up to 4 different analog values per device - CV, TV, HH, and HL. The following table details what each value means for each device type...
Page 83 - FAULT AND ALARM EVENT LOG
Document: LT0273 MX4428 MXP Engineering / Technical Manual Event Log and Status at MX4428 Issue 1.5 24 March 2006 Page 6-3 6.2 FAULT AND ALARM EVENT LOG The table below lists examples of event log items which are produced at the MX4428 panel. Circuit / point event logging must be enabled to see the ...
Page 85 - CHAPTER 7
Document: LT0273 MX4428 MXP Engineering / Technical Manual MXP Technical Description Issue 1.5 24 March 2006 Page 7-1 CHAPTER 7 MXP TECHNICAL DESCRIPTION
Page 86 - GENERAL
MX4428 MXP Engineering /Technical Manual Document: LT0273 MXP Technical Description Page 7-2 24 March 2006 Issue 1.5 7.1 GENERAL The MXP has two major functions: (i) To provide an interface to an MX4428 responder (communications/power) loop, via which data gathered by the MXP may be transferred to t...
Page 87 - CIRCUIT DESCRIPTION; DIAGRAM
Document: LT0273 MX4428 MXP Engineering / Technical Manual MXP Technical Description Issue 1.5 24 March 2006 Page 7-3 7.2 CIRCUIT DESCRIPTION 7.2.1 BLOCK DIAGRAM A block diagram of the MXP is given in Figure 7.1. The MXP can be divided into 4 sections: (i) The microprocessor and memory. This is the ...
Page 88 - MXP POWER SUPPLY
MX4428 MXP Engineering /Technical Manual Document: LT0273 MXP Technical Description Page 7-4 24 March 2006 Issue 1.5 68302 CPU /Comms Processor RAM64kb / 256kb FLASH256kb / 512kB Data / Address Watchdog /ResetGenerator Line Drivers /Receivers CHNL1 CHNL2 optocoupler optocoupler optocoupler optocoupl...
Page 91 - ANALOGUE LOOP INTERFACE
Document: LT0273 MX4428 MXP Engineering / Technical Manual MXP Technical Description Issue 1.5 24 March 2006 Page 7-7 In response to DISCON IN– going low, the microprocessor outputs a 10 msec pulse to DISCON OUT+, which applies “0V” to RL3 pin 16 through D5 and U8 pin 2, and “+24V” through Q11 to RL...
Page 94 - ISO; 0V ISO SUPPLY CURRENT LIMIT ADJUSTMENT
MX4428 MXP Engineering /Technical Manual Document: LT0273 MXP Technical Description Page 7-10 24 March 2006 Issue 1.5 In the event that there are isolator bases installed, but there is a short on the section of loop between the MXP and the first (or last) isolator, the MXP will detect the short and ...
Page 95 - MXP LED INDICATIONS
Document: LT0273 MX4428 MXP Engineering / Technical Manual MXP Technical Description Issue 1.5 24 March 2006 Page 7-11 7.4 MXP LED INDICATIONS The status LED (LD1) on the MXP board indicates the following conditions – Indication Condition 2 quick flashes every 2 seconds The MXP is normal and polled ...
Page 96 - PARTS
MX4428 MXP Engineering /Technical Manual Document: LT0273 MXP Technical Description Page 7-12 24 March 2006 Issue 1.5 7.5 PARTS LIST PART NUMBER. DESCRIPTION QTY/ASSY REF DESIG PA0893 PCB ASSY,1901-213,F4000 MXP RESPONDER CA0001 CAP,CERAMIC,10P,50V 1.0000 C45 CA0002 CAP,CERAMIC,15P,50V 2.0000 C1 C2 ...
Page 99 - CHAPTER 8
Document: LT0273 MX4428 MXP Engineering / Technical Manual MXP Diagnostic Terminal Issue 1.5 24 March 2006 Page 8-1 CHAPTER 8 MXP DIAGNOSTIC TERMINAL
Page 100 - MXP DIAGNOSTIC TERMINAL OPERATION; MENU OF COMMANDS
MX4428 MXP Engineering /Technical Manual Document: LT0273 MXP Diagnostic Terminal Page 8-2 24 March 2006 Issue 1.5 8.1 MXP DIAGNOSTIC TERMINAL OPERATION 8.1.1 INTRODUCTION The MXP provides diagnostic functions via its serial port (J5) with a terminal or PC connected. Commands may be entered which : ...
Page 104 - LOOP
MX4428 MXP Engineering /Technical Manual Document: LT0273 MXP Diagnostic Terminal Page 8-6 24 March 2006 Issue 1.5 8.1.6 ANALOG LOOP DIAGNOSTICS 8.1.6.1 TC Command (Total Counts) This command gives totals of node failures and powerups on the analog loop. See the EC command to get values broken down ...
Page 108 - REQUIRED
MX4428 MXP Engineering /Technical Manual Document: LT0273 MXP Diagnostic Terminal Page 8-10 24 March 2006 Issue 1.5 8.2 FLASH PROGRAMMING On occasion, Tyco Safety Products Christchurch may provide a new version of the MXP software. This software is stored in the Flash IC, U2. It can be updated in th...
Page 111 - CHAPTER 9
Document: LT0273 MX4428 MXP Engineering / Technical Manual Device Processing Issue 1.5 24 March 2006 Page 9-1 CHAPTER 9 DEVICE PROCESSING
Page 112 - EXPONENTIAL; STEP
MX4428 MXP Engineering / Technical Manual Document: LT0273 MXP Loop Filter Board Page 9-2 24 March 2006 Issue 1.5 9.1 EXPONENTIAL FILTER An “exponential filter” is used to smooth values received from all detector types and remove “noise”. Value Time IN OUT This is a kind of moving average of recent ...
Page 114 - HEAT; OF
MX4428 MXP Engineering / Technical Manual Document: LT0273 MXP Loop Filter Board Page 9-4 24 March 2006 Issue 1.5 9.3 HEAT PROCESSING 9.3.1 CONVERSION OF DETECTOR READING TO ° C The temperature readings from the detector (814H or the temperature element of an 814PH or 814CH) are returned from input ...
Page 116 - PHOTO; PROCESSING
MX4428 MXP Engineering / Technical Manual Document: LT0273 MXP Loop Filter Board Page 9-6 24 March 2006 Issue 1.5 9.4 PHOTO PROCESSING 9.4.1 SMARTSENSE PROCESSING The smoke reading of the detector is returned as input AI0 from the device ASIC. Figure 9.2 shows a general view of the processing of the...
Page 117 - Enhancement Multiplier
Document: LT0273 MX4428 MXP Engineering / Technical Manual Device Processing Issue 1.5 24 March 2006 Page 9-7 Enhancement Multiplier 0 0.5 1 1.5 2 2.5 3 0 5 10 15 Te mpe ra ture Ra te of Rise (°C/min) M u lt ip lie r Param=12 Param=6 Figure 9.3 Enhancement of smoke reading for temperature rate of ri...
Page 118 - AND
MX4428 MXP Engineering / Technical Manual Document: LT0273 MXP Loop Filter Board Page 9-8 24 March 2006 Issue 1.5 9.5 CO PROCESSING 9.5.1 CALIBRATION AND TEMPERATURE COMPENSATION The CO reading of the detector is returned as input AI0 of the device ASIC. The CO readings are adjusted depending on a c...
Page 119 - IONISATION
Document: LT0273 MX4428 MXP Engineering / Technical Manual Device Processing Issue 1.5 24 March 2006 Page 9-9 9.6 IONISATION PROCESSING The smoke reading of the detector is returned in two parts as inputs AI0 and AI1 of the device ASIC. In the MXP the average value of AI0 and AI1 is used for all cal...
Page 122 - GRAPH; Loa; MODEL
MX4428 MXP Engineering / Technical Manual Document: LT0273 MXP Loop Filter Board Page 9-12 24 March 2006 Issue 1.5 9.8 DIM PROCESSING 9.8.1 LOAD GRAPH Figure 9.8 shows the V / I characteristics for the DIM detector terminals, together with the fault and alarm thresholds when using the default parame...
Page 123 - SUPPLY MONITORING - DIM800; RIM; MONITORING; SNM; FAULT
Document: LT0273 MX4428 MXP Engineering / Technical Manual Device Processing Issue 1.5 24 March 2006 Page 9-13 9.8.4 SUPPLY MONITORING - DIM800 The DIM800 supply is monitored with input AI3 of the device ASIC. If the supply voltage is less than 18V, a SUPPLY FAIL fault is generated. (The threshold c...
Page 124 - LPS PROCESSING; ELD AND POSITION MONITORING
MX4428 MXP Engineering / Technical Manual Document: LT0273 MXP Loop Filter Board Page 9-14 24 March 2006 Issue 1.5 Both short circuit faults and open circuit faults will be logged as SUPERVISION FAULT, and relay stuck faults will be logged as CONTROL CB FAIL. Only the first fault will be logged. Whe...
Page 127 - ANCILLARY
Document: LT0273 MX4428 MXP Engineering / Technical Manual Device Processing Issue 1.5 24 March 2006 Page 9-17 AutoReset Commission Mode Zone Alarm Test System test. Auto test with test fire Fast Point Test Slow Point Test Normal Detector test applied No Yes on smoke / CO (Alarm result simulated on ...
Page 128 - RESET; RESET OF ADDRESSABLE DETECTOR
MX4428 MXP Engineering / Technical Manual Document: LT0273 MXP Loop Filter Board Page 9-18 24 March 2006 Issue 1.5 9.23 RESET 9.23.1 RESET OF ADDRESSABLE DETECTOR For about 20 seconds after reset is applied to an addressable detector, the exponential filter and slope limiting filter are disabled if ...
Page 129 - DEVICE INITIALISATION AND POLLING
Document: LT0273 MX4428 MXP Engineering / Technical Manual Device Processing Issue 1.5 24 March 2006 Page 9-19 9.24 DEVICE INITIALISATION AND POLLING The following actions are taken for each device when it powers up or when the MXP powers up. One action is performed on (or instead of) each 5 second ...
Page 130 - SOFTWARE
MX4428 MXP Engineering / Technical Manual Document: LT0273 MXP Loop Filter Board Page 9-20 24 March 2006 Issue 1.5 9.25 SOFTWARE VERSIONS The following software versions have been released for general use. Version Features 1.03 First full release 1.04 (Limited Release) Fixed failure of photo self te...
Page 131 - MXP LOOP FILTER BOARD
Document: LT0273 MX4428 MXP Engineering / Technical Manual MXP Loop Filter Board Issue 1.5 24 March 2006 Page 10-1 CHAPTER 10 MXP LOOP FILTER BOARD
Page 132 - USE OF MXP LOOP FILTER BOARD; FITTING
MX4428 MXP Engineering / Technical Manual Document: LT0273 MXP Loop Filter Board Page 10-2 24 March 2006 Issue 1.5 10.1 USE OF MXP LOOP FILTER BOARD Some field problems have occurred with the MXP detector loop picking up interference from adjacent or nearby wiring, resulting in faults and possibly p...
Page 133 - DIAGNOSTICS
Document: LT0273 MX4428 MXP Engineering / Technical Manual MXP Loop Filter Board Issue 1.5 24 March 2006 Page 10-3 Note – if you are fitting the board to an MXP in a responder box, you may need to tip the underside of the plastic standoffs inwards to get the board to fit into the MXP board connector...