MSL1000 Fire Alarm System Interface
Contents
1. 9 OPERATIONE 9 SETTING ACTIVE STATE OF RESET INPUTS cotra ioco nter EEEE 9 DE ACTIVATING AN UNUSED RESET INPUT 9 OTHER NOTES ABOUT RESET INPUTS 9 HOW THE CONTACTS ARE 10 MONITORINGIRESISTORS eA c ed qu eL Ter E EP rea utr 10 MONITORING THE COMMON FAULT OUTPUT WITH AUDIX 10 HOW TO LOCATE THE FAULT WHEN COMMON FAULT OUTPUT IS PRESENT 10 WHAT ARE THE VOLTAGES EXPECTED ON THE INPUT 11 EFFECT OF FAULTS THAT DEVELOP nannan nnne nnan annern 11 7 ASPEGIFIGATION EM 12 8 GENERAL SYSTEM 13 9 RULES OF OPERATION 1 14 10 TABLE OF JUMPER 5 15 11 REAR PANEL CONNECTOR2. Audix Systems N Station Road Wenden Saffron Walden Essex CB11 4LG Telephone 44 0 1799 540888 Facsimile 44 0 1799 541618 www tycosafetyproducts europe com 00 5 Y 5 S www audixsystems co uk xXx EI MSL1000 Monitored Serial Link Interface Manual V1 01 5 1000 User Manual 1 Revision History Version Modifications Date 1 0 Original issue 16 05 01 1 01 Corrections to jumper tables and setup instructions 28 06 01 COPYRIGHT AUDIX SYSTEMS 2005 DISCLAIMER This manual contains information that is correct to the best of Audix Systems knowledge is intended to be a guide and should be used as such It should not be considered as a sole source of technical instruction replacing good technical judgement since all possible situations cannot be anticipated If there are any doubts as to exact installation configuration and or use call Audix Systems at 44 0 1799 540888 ACKNOWLEDGEMENTS All trademarks are recognised E 2 7 7 TISYSTEMS Page 2 of 20 21014 V1 01 5 1000 User Manual 2 Models Covered This user manual covers the following equipment MSL1000 16 Channel Monitored Serial Link Interface TPCHASSIS Terminal Panel Chassis TPMSL100 Termination Board 3 Technical Support In the unlikely event of you having problems with your MSL1000 please contact our Customer Services Departm
3. PI p 0 NTACT HIGH PRIORITY RESET CONTACT EN VOICE OUTPUT ZONE 1 ALERT MESSAGE EVAC MESSAGE ALRAM OUTPUT ZONE 2 ALERT MESSAGE Figure 6 Zoned Evacuation Timing Diagram Figure 6 shows a multi zoned evacuation system with both Evacuation and alert messages The fire panel switches the alert contact for zone 1 This causes the Alert message to be broadcast to zone1 Some time later the fire panel switches the alert contact for zone 2 The alert message will now be broadcasting to both zone 1 and 2 After this the fire panel switches the zone to Evac Due to the priority in the matrix the Evacuation message over rides the alert and is broadcast to zone 1 the alert message will still be broadcasting in zone 2 Some time after this the Evac and Alert from zone 1 are deactivated b the fire alarm the reset should be pulsed on for 2 second to stop the broadcast of message to zone 1 As the Zone 2 Alert contact is still activated during the reset for the zone 1 contacts The output state will not change and the alert message will still be broadcast to zone 2 Finally when the zone 2 alert is deactivated by the fire panel the reset contact must be pulsed to stop the alert broadcast to zone 2 9 Rules of operation 1 The fire panel should maintain the contact for the duration of the alarm condition 2 Whenever an output form the Fire Panel is switched to the non
4. n om eom me B 9 TISYSTEMS ie M 5 1000 User Manual D792a TPMSL100 x SPARES FROM PL1 25 26 51 52 55 54 DECENS E NN Pinouts for TPMSL100 10W ribbon cable for FMS Fault outputs Pin Core Signal Description 1 New Fault contact NO when relay not powered 2 W New Fault contact Wiper 3 NF NO New Fault contact NC when relay not powered 4 SF NC System Fault contact NO when relay not powered 5 SE W System Fault contact Wiper 6 SF NO System Fault contact NC when relay not powered 7 ACC Fault Accept contact i p 8 OV OV return for Accept contact 9 45V CONNECT Internal 5V rail used for test jigs SU Page 20 of 20 gt 2 A 2 J 21014 V1 01 2 TISYSTEMS
5. 8 17 PIN OUT FOR MSL1000 FIRE CONTACT MONITORING CARD 0791 PL41 17 PINOUT FOR MSL1000 REAR PANEL TERMINAL BLOCK 0791 17 12 SCHEMATIC DIAGRAMS AND PCB 18 MSL1000 WIRING SCHEMATIC ADD A4 93476 ON THIS PAGE WITHOUT ITS BORDER 18 0791 CONTACT MONITORING 19 0 792 2100 GARD 20 Cae am Page 4 of 20 a 21014 1 01 7 TISYSTEMS 5 1000 User Manual 5 Prologue BS 5839 describes a requirement for voice alarm system to latch on reciept of a signal from the fire detection and alarm system until de latched by a seperate command from the fire detection and alarm system The Audix MSL1000 is a serial data linked interface for Audix PA VA systems that satisfies this requirement with a dc monitored parallel interface for volt free contacts driven by any fire detection and alarm system This document descibes the intended operation and use of the MSL1000 The operating principle is to define the contact loop resistance with resistors in serial and parallel with the contacts at the contact location Then with a DC current drive to the contact loops monitor the
6. 5 1000 User Manual 7 Specification Alarm inputs 16 Reset inputs 2 Input activation collectively programmed Either NO or NC Inputs individually programmable Active or Disabled Inputs individually programmable Latching or Non latching Input connection monitoring O C and S C failures Alarm is not activated by inputs detecting faulty input connections Certain slow faults excepted RS485 interface to VA matrix 16 protocol Single Logic level fault O P Driven high for no faults greater than 4V Fault output high state source current 6 mA at 4V o p Fault output low state sink current with power failed 0 mA Front panel fault indicators None Internal diagnostic LEDs per alarm input Input in fault state Internal diagnostic LEDs per reset input Input in fault state Internal diagnostic LED Reset input active one LED for both reset inputs Power supply voltage required 20 28V DC 24V DC recommended In normal idle state the MSL1000 with all inputs active 200mA from a 24V Power supply protection fuse rating 500mALT Power consumption 5W max Page 12 of 20 21014 V1 01 S 3 2 7 2 TISYSTEMS 5 1000 User Manual 8 General System Operation ALERT CONTACT RESET CONTACT VOICE ALARM OUTPUT ALERT MES
7. alarm state the reset output must be pulsed for 2 seconds Page 14 of 20 Quat P 9 21014 V1 01 7 TISYSTEMS 5 1000 User Manual 10 Table of Jumper links J12 Activate input 1 Fit if input is used _ Open if input not used J22 Activate input 2 J32 Activate input 3 J42 Activate input 4 J52 Activate input 5 J62 Activate input 6 J72 Activate input 7 J82 Activate input 8 J92 Activate input 9 J102 Activate input 10 J112 Activate input 11 J122 Activate input 12 J132 Activate input 13 J142 Activate input 14 J152 Activate input 15 J162 Activate input 16 J11 Non latching input 1 Open for latching mode Fit for non latch 21 Non latching input 2 J31 Non latching input 3 J41 Non latching input 4 J51 Non latching input 5 J61 Non latching input 6 J71 Non latching input 7 J81 Non latching input 8 J91 Non latching input 9 J101 Non latching 10 J111 Non latching 11 J121 Non latching 12 J131 Non latching 13 J141 Non latching 14 J151 Non latching 15 J161 Non latching input 16 J1 NC mode Fit if interfacing with Normally Closed contacts Open if interfacing with Normally Open contacts J3 2 3 NC mode Fit if interfacing with Normally Closed contacts Open if interfacing with Normally Open contacts Note This is labelled wrongly as NO on PCB J2 NO m
8. defined by voltage levels o c fault s c fault active and inactive Any Input detecting a fault state will cause an active low signal on the common fault output from the unit Each input connection must be fitted with the specified monitoring resistors located at the fire detection equipment end of the connection Failure of any or the power rails within the unit will cause an active low signal on the common fault output from the unit Any Alarm or Reset input that is deactivated no jumper fitted will cause a common fault output if monitor resistors are connected to the input terminals Monitoring resistors Specified end of line resistors as supplied with MSL1000 R in series with contacts 9100 1 100ppm 0 3W metal film in parallel with contacts 1 100ppm 0 3W metal film MSL 1000 910R AN X fa SWITCH x KS y LINE fe Ne N N N 5 Line monitoring resistors installed in Fire Panel Figure 3 MSL Wiring Details This gives the following resistance readings Switch Closed state circuit resistance 9100 Switch Open state circuit resistance 3 91 9100 43 0 Control Line Short Circuit 00 Control Line Open Circuit Q Monitoring the Common Fault Output with Audix FMS The Common Fault output should be monitored using an input of a Audix VT 704 card in an Audix FMS The VT704 should be set to indicate a fault when the comm
9. will of course latch if the Reset Input is in inactive state or fault state In practice an s c fault is more likely to develop slowly than a o c fault a typical cause of this problem is moisture soaking into a badly sealed mineral insulated cable A false alarm will not normally be generated when a fault warning is given for a slowly developing s c fault if the Fire Alarm Interface is operated in Normally Closed mode although the idle current is slightly higher in this mode A decision must be made during system design which mode of operation best suits the application The monitoring circuitry is designed to avoid another problem associated with Normally Closed mode The leakage current on the cable should trigger a fault condition before it becomes too large to prevent the voltage reaching the alarm threshold should the contact open to signal a true alarm signal The voltage thresholds are set differently in NC mode specifically to avoid this problem Another problem addressed in the design is the effect of a slowly developing fault on a reset input which may pass through the reset active state during which time the latching operation would be ineffective This is why it is most important for the alarm inputs to be maintained during alarm conditions as described in the general System operation section this then gives the system the greatest immunity from failure to generate an alarm 7 TISYSTEMS Page 11 of 20 21014 V1 01
10. 19 IP 15 Monitored contact input 15 20 IP 16 Monitored contact input 16 21 OV Common OV return 22 OV Common OV return 23 RES 1 Monitored Reset Input 1 24 RES 2 Monitored Reset Input 2 25 spare 25 Spare wire to terminal panel 26 spare 26 Spare wire to terminal panel Pinout for MSL1000 Rear Panel Terminal Block D791 PL2 Pin Signal Description Cor name e Note Pin 1 is LHS viewed from REAR of MSL1000 1 OV DC supply return BLACK 2 24V 24V DC supply 3 FAULT Logic Level Fault Output gt 2 5 OK lt 2 5 FAULT 4 D Data Signal ve GREEN 5 D Data Return YLW 6 Data SCR 17 of 20 2 TISYSTEMS 21014 V1 01 5 1000 User Manual 12 Schematic Diagrams and layouts MSL1000 Wiring schematic RED BLK m BROWN BLUE BLUE TURQUOISE GREY RED BLA RED BROWN BLUE WHITE BLUE BLUE BLACK 18 20 Quac 21014 1 01 2 TISYSTEMS ML 21014 1 01 Page 19 of 20 up za ca vaL 3GQW LO LNOD 303 SHISNIN 04 0791 Contact Monitoring 5 1000 User Manual Q i AvZd NOS
11. DC voltage with window detectors at the voice alarm system inputs Only when the detectors see a voltage between the HI and LO voltage threshold do they pass on the alarm signal to the voice alarm equipment the alarm signal is active high The HI and LO threshold levels are programmed with jumper links at two alternative levels to allow monitoring of NO or NC alarm contacts Two fault conditions will cause a fault to be detected 1 when the monitored voltage exceeds a reference level 2 Short circuit when the monitored voltage falls below a reference level The MSL1000 must be linked to the Master Fault Monitoring System FMS which will report faults detected by the unit The detector is designed signal a fault condition to the FMS if power to the unit is lost The Output connections of the interface are linked to the serial 485 interface card and housed into a single 19 rack mountable 1U chassis This connects the alpha Vector or V32 front end audio processors which contain the emergency message cards The data link between the MSL1000 and alpha or Vector is continuously monitored and its failure is reported to the master FMS Whenever the fire alarm contact activates the MSL1000 will send data to the alpha or Vector and trigger the emergency fire message Messages are stored as raw data files and not as simple tone generators so any voice and or alarm message can be recorded and stored on the mes
12. SAGE Figure 4 Timing Diagram For Single Message Operation Figure 4 Shows a simple single message system The fire alarm panel switches the contact which activates the voice alarm message to be broadcast The fire panel should maintain the contact for the duration of the alarm condition When the alarm contact is deactivated The fire panel must pulse on the reset line for 2sec nominal which will switch off the alarm message ALERT CONTACT LOW PRIORITY EVAC CONTACT HIGH PRIORITY 2 VOICE ALARM ES mE CU BUT ALERT MESSAGE EVAC MESSAGE Figure 5 Timing Diagram for Multiple Message Operation Figure 5 shows a system with Alert and Evacuation Messages As with the previous system the Fire panel switches an alarm contact which activates the voice alarm to broadcast the Alert message Some time later the fire panel switches the evacuation contact Due to the matrix having priorities on each message the Evacuation message which is a higher priority than the alert will now be broadcast As before the fire panel must maintain the contact for the duration of the alarm To stop the broadcast of messages The fire panel must deactivate the alarm contacts and pulse the Reset line for 2 seconds SU Page 13 of 20 Quat P 21014 V1 01 2 TISYSTEMS 5 1000 User Manual ALERT CONTACT PRIORITY EVAC CONTACT ZONE HIGH PRIORITY
13. ant systems For non latching operation fit J11 for input 1 J21 for input 2 non J31 for input 3 etc Reset Inputs There are two reset inputs operation of each is identical 8 20 Quat P 21014 V1 01 2 TISYSTEMS 5 1000 User Manual The Reset Input should be driven with a pulsed signal by the fire detection and alarm equipment Reset Pulse Timing requirements The Reset Input should be driven to its active state for 2 seconds minimum following the change of state of any Alarm Input from active to inactive state Reset Inputs Operation When Reset inputs are in the inactive state or in a recognised fault state each output will become active when the associated input connection goes into activate state When the Reset inputs are in the inactive state or in a recognised fault state any active output will remain active even if the corresponding alarm input goes into a faulty state The Reset Input will be ineffective when in s c fault state or in o c fault state When a Reset Input is in a recognised fault state it will not be possible to silence the alarms by deactivating the alarm inputs An active Output will remain active if its Input is active and a Reset input is active An active Output will remain active if its input goes directly into a fault state while the Reset Input is in inactive state or fault state Setting active state of reset inputs The active state of the Re
14. ent Audix Systems Station Road Wenden Saffron Walden CB11 4LG Tel 01799 540888 Fax 01799 541618 Page 3 of 20 Quat P 21014 V1 01 2 TISYSTEMS 5 1000 User Manual 4 Contents 1 REVISION HISTORY 2 2 MODEES i aa aa Eaa A a 3 3 TECHNICAL SUPPORT 222 3 4 ecl I II 4 5 EEUU 5 6 MSL1000 OPERATIONAL 7 DEFINITIONS 7 IMPORTANT SAFETY 7 CONNECTIONS TO ALARM CONTROL 7 TERMINATION OF SITE CABEES x tte tee reete etia 8 SETTING ACTIVE STATE OF ALARM INPUTS 8 DE ACTIVATING UNUSED ALARM 8 ALARM INPUT TIMING REQUIREMENTS 8 NON LATCHING OPERATION OF AN ALARM 1 8 RESET INPUTS on tte 8 RESET PULSE TIMING
15. ode Fit if interfacing with Normally Open contacts Open if interfacing with Normally Closed Q Page 15 of 20 7 TISYSTEMS 21014 V1 01 5 1000 User Manual contacts J3 1 2 NO mode Fit if interfacing with Normally Open contacts Open if interfacing with Normally Closed contacts Note This is labelled wrongly as NC on PCB iss B J301 Activate Reset 1 input Fit if Reset 1 is used Open if Reset 1 not used J311 Activate Reset 2 input Fit if Reset 2 is used Open if Reset 2 not used a Page 16 of 20 7 21014 V1 01 TISYSTEMS 5 1000 User Manual 11 Rear panel connector pin outs Pin out for MSL1000 Fire Contact Monitoring card D791 PL1 Pin Signal Description Cor name e 1 OV Common OV return 2 OV Common OV return 3 IP 1 Monitored contact input 1 4 IP 2 Monitored contact input 2 5 IP 3 Monitored contact input 3 6 IP 4 Monitored contact input 4 7 IP 5 Monitored contact input 5 8 IP 6 Monitored contact input 6 9 IP 7 Monitored contact input 7 10 IP 8 Monitored contact input 8 11 OV Common OV return 12 OV Common OV return 13 IP 9 Monitored contact input 9 14 IP 10 Monitored contact input 10 15 IP 11 Monitored contact input 11 16 IP 12 Monitored contact input 12 17 IP 13 Monitored contact input 13 18 IP 14 Monitored contact input 14
16. on fault output drops below 4 0 Volts The input pull up resistor on the VT704 must be disconnected with the appropriate jumper link setting If the Common Fault output is used to drive Fault Monitoring Systems other than Audix FMS be aware that this output does not sink current in the fault state when power fails to the MSL 1000 How to locate the fault when common fault output is present As the diagnostic LEDs are not visible when the chassis is closed the easiest way to identify faulty inputs is to measure the voltages on the input terminals with a DC voltmeter SU Page 10 of 20 Quat P 21014 V1 01 2 TISYSTEMS 5 1000 User Manual What are voltages expected on the input wires Each input has 4 states defined by voltage levels o c fault s c fault active and inactive Contact Status Input voltage range Input voltage range N C mode N O mode Fault condition Over 12 3V Over 12 3V Alarm Active 6 7 V to 12 3V 4 0V to 8 0V ldle inactive Nominal 5 4V Nominal 10 4V Fault condition Less than 4 0V Less than 4 0V The voltages in the table assume the onboard regulator is exactly 15 Volts If the regulator gives a different voltage within its expected tolerance range then the thresholds which are derived from this voltage will vary pro rata Effect of faults that develop slowly Certain slowly developing faults may be seen as temporary false alarm signals these
17. onnections to Alarm Control System The unit will require the following connections to isolated contacts at the fire detection and alarm system 1 One wire per Alarm signal 2 One wire for a Common Reset 3 One wire common return All inputs feature filter delay circuits to eliminate false triggers FAULT FAULT Power amp Data Power amp Data RB RB MSL1000 ic Ne MSL 1000 FAULT OUTPUT SWITCH LINES SWITCH LINES 123456789 10 11 12 13 14 15 16 RESET 12345 5455 9 10 51 1353 Figure 1 MSL Schematic Non Phased Evacuation PY Page 7 of 20 Quat 2 21014 1 01 2 TISYSTEMS 5 1000 User Manual Termination of site cables A ribbon cable from the main MSL1000 chassis connects to a special Termination Panel fitted to a rail in the the rear of the equipment rack This panel is Audix Systems part TPMSL100 and allows connection of site cables up to 2 5mm There are extra terminals and another ribbon cable connector on the TPMSL100 to accomodate the System Fault outputs from an Audix Systems FMS system The terminal block arrangement is shown in a later section of this manual for easy installation it is silkscreened on to the PCB just below the terminal blocks Setting active state of alarm inputs For all inputs the operational active state will be collectively programmed as normall
18. sage cards Priorities and routing of messages can be configured within the a pha Vector or V32 matrix E Page 5 of 20 Quat P 21014 V1 01 2 TISYSTEMS 5 1000 User Manual Page 6 of 20 NT Quat 21014 V1 01 TISYSTEMS 5 1000 User Manual 6 MSL1000 operational details Definitions The Unit MSL1000 Monitored Serial interface Output An active high level to the serial to parallel convertor which is transmitted by the serial link card 0439 LED on is the non alarm state the input opto coupler holds the input low with high being the active alarm state tranmitted by the MSL1000 to the Alpha or V32 or Vector or similar Voice Alarm System controller Alarm Input dc monitored connection from the fire detection and alarm system used to activate the Audix Voice Alarm system Reset Input A dc monitored connection from the fire detection and alarm system used to de latch the alarm state of the Audix Voice Alarm system Fault Output 5V Logic level output from the unit not driven high in fault condition Fault State An input deemed to be short circuited or open circuited as detected by the fault monitoring circuits and thus not able to control a programmed alarm response Important Safety Considerations The MSL1000 should be supplied from a fuse protected 24V DC supply the fuse rating should be 500 L T The MSL1000 and associated equipment must not be exposed to dripping or splashing C
19. set Inputs follows the collectively programmed state for the alarm inputs i e normally open or normally closed using jumpers The reset inputs in use must have thier Input Active jumpers fitted Fit J301 if Reset Input 1 is in use fit J311 if Reset Input 2 is in use De activating an unused reset input The unused reset input should have its Input active jumper left open In the open or unjumpered state the input will be inactive and no connection should be made to the input terminals If monitored contact is connected then a fault will be indicated Remove J301 if Reset Input 1 is not used Remove J311 if Reset Input 2 is not used Other notes about reset inputs The second monitored Reset input may optionally be wired to a manually operated switch or to key switch on the front panel of the unit or at some remote location When a Reset Input is held in the Active State the operation of the unit will appear non latching This is just how it works but is not the best way to achieve overall non latching operation If non latching is is required it is recommended to disable the reset inputs and select non latching operation for all of the alarm inputs as described earlier in this manual E Page 9 of 20 Quat P 9 21014 V1 01 7 TISYSTEMS 5 1000 User Manual How the contacts are monitored Each input including reset inputs will monitor its input connection for o c and s c failure Each input has 4 states
20. y open or normally closed using jumpers Fit J1 J3 1 2 leave J2 open for NC mode or Fit J2 J3 2 3 leave J1 open for NO mode Each input in use should have its Input Active jumper fitted to provide monitoring current Fit J12 for input 1 J22 for input 2 J32 for input 3 etc There is a complete listing of all the jumpers later in this manual De activating unused alarm inputs Any input not in use should have its Input Active jumper removed Remove J12 for input 1 J22 for input 2 J32 for input 3 etc In the open or unjumpered state the input will be inactive and must not be programmed as part of the alarm system No connection should be made to the input terminals if a monitored contact is accidentally connected then a fault will be indicated Alarm Input timing requirements The Reset Input should be inactive before an Alarm Input changes to the active state The Fire Detection system should maintain the Alarm Input s in an active state for the duration of the alarm period To cancel the alarm the Alarm Input is deactivated immediately before a reset pulse is applied at the reset input See General System Operation a later section of this manual for a description of operation with a Fire Alarm system Non latching operation of an Alarm input The second jumper link on each input channel allows latching mode to be defeated for that input In general these links will not be fitted on BS5839 compli
Download Pdf Manuals
Related Search