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ANNEX A - MODBUS OVERVIEW

The Modbus parameters are configured on the Network tab of the PC300 configuration tool.

Note:

When Modbus is enabled or disabled or if the network parameters are changed
then the detector needs to be powered down and up or restarted from the
configuration tool to activate the new settings.

A1.4 SUPPORTED MODBUS FUNCTION CODES

The FV300 supports the following MODBUS Function Codes:

A1.4.1

FV300 REGISTERS

The FV300 has one block of 16 bit registers used for MODBUS access organised as
follows:

Code

Function

Read Holding Registers

Read Input Registers

Write Single Register

Write Multiple Registers

Offset

Register

Data

Read/Write (R/W)

Commands

See 1.4.2

R/W

Reserved

Overall Status

See 1.4.3

4-20mA level

4-20mA level x 1000
e.g. Alarm=17mA,Value=17000

Cluster state

Cluster centre

X (0-255)

Y (0-255)

Cluster size

SX (0-255)

SY (0-255)

Cluster state

Cluster centre

X (0-255)

Y (0-255)

Cluster size

SX (0-255)

SY (0-255)

Cluster state

Cluster centre

X (0-255)

Y (0-255)

Cluster size

SX (0-255)

SY (0-255)

Cluster state

Cluster centre

X (0-255)

Y (0-255)

Cluster size

SX (0-255)

SY (0-255)

Table. 6

www.acornfiresecurity.com

Содержание 516.300.006

Страница 1: ...TION 3 APPLICATION 7 SYSTEM DESIGN INFORMATION 10 OPERATION 29 INSTALLATION 34 COMMISSIONING 43 MAINTENANCE 52 ORDERING INFORMATION 54 ANNEX A MODBUS OVERVIEW 55 ANNEX B CCTV DETAILS 59 www acornfires...

Страница 2: ...mage to highlight the fire The user can quickly see the location of the fire and decide on the appropriate action The location information is also available on the field network interface The FV300 Fl...

Страница 3: ...ion Electrical Interfaces Standard on all models Fire and Fault relays NO or NC contacts 4 20 mA Source or Sink Video twisted pair balanced line NSTC PAL Modbus RS485 interface Configuration port RS48...

Страница 4: ...n the array called a cluster the DSP analyses their frequency characteristic as well as their correlation and spectral ratio with the signal present on the guard channel A value representing the insta...

Страница 5: ...st of the area 2 3 REJECTION OF NON FLAME SOURCES 2 3 1 GENERAL In a new concept for eliminating nuisance alarms from modulated blackbody and other unwanted non flame radiation sources the FV300 emplo...

Страница 6: ...al analysis the modulated infrared energy seen by each activated cluster of the array is further analysed for frequency irregularities over a period of time that would be typical of that of a flame bu...

Страница 7: ...al sensing elements of the array enables the detector to correct signal losses due to off axis incident angles This results in a flatter response throughout the detector field of view Performance deta...

Страница 8: ...stallation recommendations 3 2 USE IN HAZARDOUS ATMOSPHERES The FV300 FlameVision detectors are certified Flameproof to the ATEX directive and IECEx by Baseefa They are classified as suitable for zone...

Страница 9: ...and shutters are not required Interfaces Fire and fault relays 4 20mA output and a field network RS485 interface are standard on all models to connect to monitoring equipment Modbus protocol is suppo...

Страница 10: ...ocarbon fires particularly from heavy black smoke generating fuels 3 4 POINTS TO NOTE WHEN USING FV300 FlameVision DETECTORS OR S200 FLAME DETECTORS The FV300 FlameVision series are a whole new range...

Страница 11: ...dance on detector siting Fig 6 shows the interfaces available on the detectors FIRE RELAY FAULT RELAY 4 20 mA OUTPUT NETWORK INTERFACE TO MONITORING SYSTEM VIDEO BALANCED PAIR TO CCTV SYSTEM POWER 18...

Страница 12: ...normally closed or open contact Alarm relay Selectable normally closed or open contact Alarm relay coil monitoring Supplied as standard Contact rating 2A at 30V dc 4 1 3 4 to 20 mA OUTPUT Signalling c...

Страница 13: ...ion to CCTV systems It is available in either PAL or NTSC format option The detector superimposes an overlay with status information on top of the picture to notify alarms including location and fault...

Страница 14: ...he alarm test and window test OPM functions or to reset the detector The required operation is selected by connecting the appropriate resistor value see Fig 9 between the walk test input and 0V using...

Страница 15: ...138 8 mm Width 152 8 mm Depth 91 7 mm Weight 3 96 kg Mounting bracket weight 1 54 kg 4 2 2 MATERIALS Enclosure Stainless steel 316L ANC4BFCLC to BS 3146 Part 2 Detection window Sapphire Camera window...

Страница 16: ...ned cable 4 2 4 IP RATING Enclosure protection Tested to IP66 and IP67 Cable gland entries must be suitably sealed to achieve the required IP rating see Section 6 3 3 94 139 155 5 FV311 RANGE 2 x 20mm...

Страница 17: ...detectors is provided with two M20 gland entry holes at the bottom of the detector Two 10 way terminal block arrangements are provided for termination of installation cables The rear enclosure of the...

Страница 18: ...T TYCO TW16 5DB UK FV311SC N S No 12365 FlameVision PATENTED tyco TORQUE COVER BOLTS MIN GRADE A4 70 TO 7LB FT 10 Nm CABLE ENTRIES M20 CABLE RATING Ta 25K SEAL CONDUITS WITHIN 18 APPROVED F M Ui 30V P...

Страница 19: ...SYSTEM DESIGN INFORMATION 18 Fig 15 FV311 FV312 Top Section Fig 16 FV312 Bottom Section www acornfiresecurity com www acornfiresecurity com...

Страница 20: ...Regulatory standards ATEX IECEx and FM The detector may be fitted directly to a suitable surface or an optional adjustable mounting bracket may be used An optional weather hood is available for use w...

Страница 21: ...Operating temperature range 40 C to 80 C Storage temperature range 40 C to 80 C FV311SC N FV312SC N models with camera Operating temperature range 10 C to 50 C Storage temperature range 20 C to 70 C...

Страница 22: ...product family standard for components of fire and security systems VdS 2504 1996 12 01 LRS Test Specification Number 1 2002 DNV Certification Notes No 2 4 April 2001 Class A GL Rules for Classificati...

Страница 23: ...corrosive substances and gas In particular it meets the requirements for sulphur dioxide SO2 conditioning in EN 54 10 and exposure to salt mist concentration as specified in LRS DNV and GL test specif...

Страница 24: ...is less than 12 seconds The following table shows the response time for a selection of fuels measured on axis for fully developed fires These performance figures have been tested and confirmed by FM A...

Страница 25: ...When test fires are carried out outdoors the response of the detector can be significantly affected by wind as the flame may be blown horizontally outside its field of view at least during part of th...

Страница 26: ...siting of detectors are given in the following paragraphs CAUTION THE GUIDELINES GIVEN HERE CANNOT CATER FOR ALL EVENTUALITIES THAT MAY BE ENCOUNTERED ON A SITE FALSE ALARM SOURCE IMMUNITY DISTANCE RE...

Страница 27: ...used to determine detector coverage In carrying out the design certain factors should be kept in mind a Mounting the detectors on the perimeter of the area and pointing into the area will give the bes...

Страница 28: ...area locations Class I Div 1 Group B C D and Class II Group E F G and Class III The certified label for the FV300 detectors are shown in Fig 21 4 9 2 OTHER APPROVALS The FV300 FlameVision detectors ha...

Страница 29: ...XXX D O N O T O PEN WHEN AN EXPLOSIVE GAS ATMOSPHERE IS PR E S E N T TYCO TW16 5DB UK FlameVision SEAL CONDUITS WITHIN 18 APPROVED F M Ui 30V Pi 10W PATENTED IP66 67 1180 tyco CI I Div 1 Grp B C D CI...

Страница 30: ...s time the fault LED will flash rapidly about 3 times per second When the array is ready the fault LED will turn off This will take about 5 20 minutes If the array does not settle within 30 minutes th...

Страница 31: ...20mA The current source or sink becomes 11 5mA Modbus The pre alarm bit is set in the status register and is available at the next read of the unit Video No change The pre alarm condition will escalat...

Страница 32: ...electable and defines the response time The detector response time consists of the initial 4 5 seconds followed by the selectable delay The FV300 detector provides 4 selectable alarm response times Th...

Страница 33: ...window is considered to be dirty or obscured then an OPM fault is reported The fault will be cleared when the window is cleaned and the test re run to give a clean result Requests for a manual OPM te...

Страница 34: ...on the LED and activate all outputs as described above The outputs will remain active for the duration of the alarm hold time set on the DIP switches 10 15 seconds If the flashing lamps do not trigge...

Страница 35: ...by existing or foreseeable aggressive substances b The detector must be positioned such that a clear line of sight is provided to all parts of the risk area Roof trusses pipework supporting columns e...

Страница 36: ...erated in any position but the mounting point must obviously be chosen to allow sufficient clearance for adjustment of the angle and must also allow space for the cable assembly A clearance of 200mm i...

Страница 37: ...lows sufficient slack in the flexible conduit for adjusting the orientation of the detector when using the adjustable mounting bracket 6 3 DETECTOR WIRING 6 3 1 GENERAL The wiring between the detector...

Страница 38: ...nd fittings supplied by the manufacturer of the cable f PVC insulated PVC inner sheathed steel wire armoured and PVC oversheathed cable to BS6346 g Cabling and conduit for flameproof circuits must com...

Страница 39: ...g union is required the following alternative methods may be used a The thread of cable glands stopping plugs may be sealed using PTFE tape or other jointing putty or mastic b For Flameproof applicati...

Страница 40: ...TC ALED ALM ALMC SCRI SCRO 20 R E O L TO MONITOR CIRCUIT NOTE POWER DISIPATION OF MONITORING CIRCUIT NOT TO EXCEED X XW CONFIGURATION DIAGNOSTICS ACCESS IT IS RECOMMENDED THAT AN RS485 CONNECTION IS P...

Страница 41: ...MC SCRI SCRO 20 4 20mA CONFIGURATION DIAGNOSTICS ACCESS RS485 INTERFACE IT IS RECOMMENDED THAT AN RS485 CONNECTION IS PROVIDED TO CONNECT TO A PC FOR REMOTE CONFIGURATION AND DIAGNOSTICS OPTIONAL VIDE...

Страница 42: ...SCRI SCRO 20 RS485 RS485 BALUN OPTIONAL VIDEO OUTPUT CONFIGURATION DIAGNOSTICS ACCESS IT IS RECOMMENDED THAT AN RS485 CONNECTIONIS PROVIDED TO CONNECT TO A PC FOR REMOTE CONFIGURATION AND DIAGNOSTICS...

Страница 43: ...eter set to its highest range check the resistance between the circuit and earth b If the reading obtained is greater than 1 megohm record the reading and proceed to c otherwise locate and rectify the...

Страница 44: ...or future checking during service and maintenance operations 7 2 SWITCH AND HEADER SETTINGS The FV300 FlameVision detectors are very flexible and can be configured for a wide range of applications For...

Страница 45: ...on Action Off Default On 1 1 Remote Configuration Ignore DIP switch settings Use programmed settings Use DIP switch settings 1 2 Alarm Delay Refer to Table 3 Delay Options 1 3 1 4 Reserved Set in Off...

Страница 46: ...ON4 FAULT CONTACTS ALARM CONTACTS 14 15 CONNECTED IF DETECTOR IN FAULT N C 14 15 CONNECTED IF DETECTOR OK N O 17 18 CONNECTED IF DETECTOR NOT IN ALARM N C 17 18 CONNECTED IF DETECTOR IN ALARM N O POSI...

Страница 47: ...on camera image Video information Enter and edit detector location and identity information that can be overlaid on camera image Select logging options Select which events and information are logged...

Страница 48: ...4 20mV 0V RS485 RS485 MODBUS RS485 RS485 COMMISSIONING VIDEO OUT VIDEO OUT NOTE 1 NOTE 2 NOTE 3 TB1 S300 RELAY 4 20mA FIELDBUS TERMINAL PCB 24V 4 20 0v 0v FB FB EXC EXC VID VID 10 24V IN 0V 24V OUT 0...

Страница 49: ...the back box Introduce alignment pin into barrel at top of back box and slide top case into back box Care should be taken to ensure that the internal wiring is not trapped between the terminal blocks...

Страница 50: ...The alarm LED will turn off and the fault light will remain on for a few seconds whilst the detector performs internal self tests The fault LED will then change to flashing whilst the sensors are sett...

Страница 51: ...the detector has settled and the initial functional tests are completed the FV300 FlameVision is ready for operation as a fire detector If required further functional tests can be performed to confir...

Страница 52: ...n frequency should be increased for dirtier environments or those which present a higher risk of physical damage For flameproof detectors the following periodic checks should be made a The dimensions...

Страница 53: ...This is used as an alarm test to check the operation of the detector It can be used in any environment The same lamps are used to check the cleanliness of the window to monitor the optical path In th...

Страница 54: ...517 300 001 FlameVision WH300 Weather Hood 517 300 002 FlameVision JB300 Exe Junction Box 517 300 005 FlameVision MK300 Field Spares Kit 517 300 006 FlameVisionWT300 Walk Test Controller 517 300 021 F...

Страница 55: ...ECTRICAL INTERFACE The FV300 MODBUS interface operates on a 2 Wire serial bus in accordance with EIA TIA 485 standard Note The Modbus serial bus must be fitted with a set of termination resistors at o...

Страница 56: ...6 Write Single Register 16 Write Multiple Registers Offset Register Data Read Write R W 00 Commands See 1 4 2 R W 01 Reserved 02 Reserved 03 Reserved 04 Reserved 05 Reserved 06 Reserved 07 Reserved 08...

Страница 57: ...PLC to activate functions within the detector Command Codes 1 Initiate alarm test 2 Initiate manual OPM test 3 Reset latched alarm or faults 4 Mask OFF 5 Mask ON inside mask area 6 Mask ON outside ma...

Страница 58: ...Command Register 4 The FV300 will detect the change in Command Request bit and will action the command code 5 When completed the FV300 sets the Command Done in the Overall Status register 6 The PLC w...

Страница 59: ...video output In this mode the text overlay is displayed on a plain blue background The content and layout of the overlay is the same with or without the camera The following describes the overlay con...

Страница 60: ...n with option flags down the left hand edge The displayed fields can be turned on off in the PC configuration tool Overlay Field Description FlameVision Name of detector range permanently displayed LO...

Страница 61: ...ty fields are now displayed next to the box on the text overlay If the location and identity field is empty then the serial number will be displayed instead These fields will move according to the siz...

Страница 62: ...determines that the window is clean then the overlay returns to the quiescent condition However if the OPMtest fails then the Serial Number and a message describing the problem are displayed on two li...

Страница 63: ...The log counter will be displayed when an event occurs to show where it is recorded in the internal log The next line displays the device serial number This is the serial number as etched on the fron...

Страница 64: ...t occurs to show where it is recorded in the internal log Fault Message Description and How to fix it Wiring fault A fault has been detected on the circuit from the detector Check wiring Detector faul...

Страница 65: ...r is in service mode for configuration or diagnostics In normal operation this field is blank CAMERA STATE The following messages will be displayed on a blue background as the camera signal is not ava...

Страница 66: ...Dip Switch Settings see Tables 2 and 3 Page 43 Switch Function Configured 1 1 Remote Configuration 1 2 Alarm Delay 1 3 1 4 Reserved Set in Off position 1 5 Alarm Latching 1 6 Fault Latching 1 7 Windo...

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