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Type / N.

Rev.

Data

Page

Total pages

EW095.605

November 2010

EsiWelma

s.r.l.

4.3

Recognition of the terminal boards

All the terminal boards clearly indicate the polarization of both the power and the
communication BUS terminals and it is essential never to reverse the connections.

4.3.1

Terminal boards on the control unit

The layout of the terminal boards on the control unit is shown in Fig. 4.5.

Fig. 4.5 – Terminal board on the control unit UCE40...

4.3.2

Terminal board of detectors

The layout of the terminal board in the two manufacturing versions of the detectors is
shown in Fig. 4.6.

Fig. 4.6 – Terminal boards on the gas detectors UR.40...

Содержание Sensigas EW40

Страница 1: ...Type N Rev Data Page Total pages EW095 605 5 November 2010 1 96 EsiWelma s r l CENTRALIZED GAS DETECTION AND CONTROL SYSTEM FOR INDUSTRIAL ENVIRONMENTS Sensigas EW40 INSTALLATION AND OPERATING MANUAL...

Страница 2: ...Type N Rev Data Page Total pages EW095 605 5 November 2010 2 96 EsiWelma s r l...

Страница 3: ...board of detectors 25 4 3 3 Terminal board of the display module 26 4 3 4 Terminal boards and configuration of the relay module 26 4 3 5 Terminal boards and configuration of the alarm module 27 4 4 SY...

Страница 4: ...64 9 2 DIAGNOSTICS 64 9 3 DISPLAY ADJUSTMENT 65 9 4 ALARM MODE 65 9 4 1 Manual restore 65 9 4 2 Automatic restore 66 9 5 ALARM RESET 67 9 6 ALIGNING ALARM THRESHOLDS 68 9 7 MODBUS ADDRESS 69 9 8 MODBU...

Страница 5: ...NS 87 12 1 UCE40 CONTROL UNIT 87 12 2 MAR40 RELAY MODULE MDD40 DISPLAY MODULE AND MID40 ALARM MODULE 88 12 3 DETECTORS UR 40 E UR 40 I 88 12 4 UR 40 S DETECTORS 89 12 5 UR 40 L DETECTORS 89 13 ELECTRI...

Страница 6: ...t VOL concentration of gas measured in percentage by volume D Detector RM Relay module MAR40 DM Display module MDD40 AM Alarm module MID40 t threshold limit value Pr pre alarm threshold 1t alarm thres...

Страница 7: ...oduction of CO 0 7 2 9 No detectable symptoms 2 9 4 5 Cardiovascular disorders in patients suffering from heart disease 4 6 Usual levels in smokers some physical impairment in psychomotor tests 7 10 A...

Страница 8: ...cations when a dedicated gas detection control system is required Each control unit has its own default identification code The following field devices are available UR 40 gas detectors for applicatio...

Страница 9: ...Rel 5 Moduli Allarmi 6 Pulsanti 7 Batterie 8 UPS Bus di comunicazione Alimentazione 12 Vdc Collegamento seriale Al sistema di supervisione opzionale 1 Unit Centrale 2 Sensori gas 3 Moduli Display 4 M...

Страница 10: ...sensors available models In turn each model E S I L has two possible executions with Standard sensor code S UR 20S UR 40S with Professional sensor code P UR 20P UR40P Two types of sensors are commonly...

Страница 11: ...ount as follows UR _ 40 _ _ Certified to E ATEX II 2G Ex d IIC T6 S ATEX II 3G Ex nA d IIC T6 Complying with requirements below I Industrial version IP65 L Industrial version IP55 Configuration S Stan...

Страница 12: ...rds the inside until it fits into position 5 Insert the clamps into the dedicated slots on the sides of the device Fig 3 4 6 push the clamps towards the back of the housing until they fit into the ded...

Страница 13: ...stallation of the detectors The detectors must be wall mounted at whatever height is appropriate for the type of gas to be detected Fig 3 7 Fig 3 7 Possible detector positions 5 6 5 6 Screw clamp Scre...

Страница 14: ...st be through a cable gland with the same protection specifications The installation grade will be declassified if other types of cable glands are used To guarantee correct operation of the system in...

Страница 15: ...d on DIN rails whether they are fitted to a mounting plate or panel mounted In the latter case the detector must be wired before fixing since it is no longer possible to access the terminal boards aft...

Страница 16: ...ovember 2010 16 96 EsiWelma s r l Fig 3 10 Fixing the modules to DIN rail To unhook the devices from the support rail insert a small screwdriver into the slot of the spring situated at the bottom of t...

Страница 17: ...3 12 2 knock out a 46x106 mm opening on the front panel of the electric board and drill two holes on the sides for the tie rods to pass through line them up with the DIN rail holes Fig 3 13 3 fit the...

Страница 18: ...ors Fig 3 15 Identifying the field devices Below is an example table that can be used to input all the data indicated above It may need to be extended for large systems if it is too small The alarm mo...

Страница 19: ...tor 1 METHANE ROOM 1 boiler 1 2 METHANE ROOM 1 boiler 2 3 METHANE ROOM 1 boiler 3 4 CARBON MONOXIDE ROOM 1 IN CENTRE RELAY MODULES No RM position Detectors AM assigned Relay outputs Pr LAMP 1 1t VALVE...

Страница 20: ...with the field devices is 1000 m the maximum length of the communication BUS with the Monitoring System is 10 m with RS232 connection 300 m with RS422 connection 4 1 Types of cable Power supply cable...

Страница 21: ...BUS connection between shunt point and field device must not exceed 8m The minimum distance between the junctions must be no less than 3m Only one field device must be connected to each shunt The con...

Страница 22: ...3 shows a cabling example of the junction box Fig 4 3 Cabling in junction box UR 40 UR 40 UR 40 MDD40 MAR40 UCE40 INCORRECT CONNECTION UR 40 UR 40 junction box To next junction box GND BUS BUS 12V 12V...

Страница 23: ...below DEVICE POWER W CURRENT A DEVICE POWER W CURRENT A UCE 40 control unit 6 0 5 Solenoid valve 12 1 MAR40 2 5 0 208 12V 7Ah battery 7 0 583 MDD40 2 0 166 Visual alarm 2 0 166 MID40 1 0 083 Audible...

Страница 24: ...isual alarm lamp one buffer battery The power and the consumed current are shown in table 4 3 CONSUMPTION Q ty UNIT POWER TOTAL POWER TOTAL CURRENT URG40SS detector 3 1 6W 4 8W 0 4 URO40SS detector 1...

Страница 25: ...S terminals and it is essential never to reverse the connections 4 3 1 Terminal boards on the control unit The layout of the terminal boards on the control unit is shown in Fig 4 5 Fig 4 5 Terminal bo...

Страница 26: ...Input 12 Vdc Power Supply Input P SENSIGAS MAR40 P I II TB1 TB2 TB3 TB4 1 2 3 4 TB5 TB6 E2 E1 S1 1 CN1 JP1 ICP SW1 E4 E3 C NO NC FA Relay Failure C NO NC Pr Relay Preallarme C NO NC 1T Relay 1st Thre...

Страница 27: ...in particular S Cable Shield to use and connect only in the event of potential electromagnetic interference that could couple in the cable route Terminals for connecting the free potential contact Use...

Страница 28: ...nded structure 4 4 1 Basic structure Fig 4 10 shows a possible application of a basic structure including three methane gas detectors one carbon monoxide detector one relay module one audible alarm on...

Страница 29: ...each boiler and one carbon monoxide detector URO40SS covers the whole premises A display module is placed at the entrance to monitor the system status without having to use the control unit Each meth...

Страница 30: ...the system monitor The UCE40 control unit can be connected to a monitoring system through the two dedicated communication ports One RS232 Standard port for point to point connections to a maximum dis...

Страница 31: ...via the RS422 Interface terminal board Fig 4 14 shows the pin out of the terminals on the back of the control unit and the connection modality to the monitor and to other control units Remember that...

Страница 32: ...ended structure The following situation is expected 1 The control unit display shows the following words In this phase the control unit carries out an initial check of all the field devices This opera...

Страница 33: ...FIGURATION MENU beginning from the MAIN MENU as shown in the next paragraph If the system is already configured immediately after the initial check the status screen on the window of Fig 5 3 is displa...

Страница 34: ...d two alarm condition 1 The example in figure 5 6 below shows a condition where in the system at least one sensor failed and at least one sensor is in threshold two alarm Basically the three lines ava...

Страница 35: ...wered by the battery but the remainder of the system was disconnected by the battery to avoid it going completely flat B In the field immediately below any battery connection abnormalities also mutual...

Страница 36: ...ons Replace damaged units Possible lack of communication between the control unit and the field devices Branching on the communication BUS Restore correct BUS connection after powering down the system...

Страница 37: ...RESET and repeat the configuration from the start See Par 10 5 2 if the field devices already configured represent most of the system it is a good idea to keep them configured and configure the remai...

Страница 38: ...trol unit UCE40 NOTE If no key is pressed for two minutes the control unit returns to the stand by window in Fig 5 3 Fig 6 2 Function of the LEDs on the UR 40 sensors SENSIGAS UCE40 ESC Scroll keys up...

Страница 39: ...g status LED Status LED of 2nd ALARM Threshold Status LED of 1st ALARM Threshold Status LED of PRE ALARM Threshold Status LED of FAILURE Condition Operating status LED P SENSIGAS MID40 IV I II III Ala...

Страница 40: ...igured on another system when this is switched on it self excludes and takes its status LED to rapid flashing thus getting ready to be configured once again As already shown in paragraph 5 1 when the...

Страница 41: ...ors have been configured begin configuration of the relay modules using the same procedure Fig 6 9 Configuration of the relay modules N E W I N S T A L L AT I O N S 0 1 R M D M A M P R E S S D E V I C...

Страница 42: ...n will be displayed Press twice 6 3 Assignment of the sensors The configured system alone cannot trigger the alarm mode operations solenoid valves sirens etc if there is an alarm because the detector...

Страница 43: ...6 20 S 0 1 S 0 2 S 0 3 S 0 4 R M0 1 D M0 1 Fig 6 22 To remove the assignment the X press the key indicated above MA I N ME N U I N S T A L L A T I ON S T A T E S E N S OR L I S T E X P I R E D S E N S...

Страница 44: ...in menu After the sensor association operation is complete interface the alarm modules if included otherwise the system can be considered operational NOTE If a system does not include the installation...

Страница 45: ...I N ME N U A L L A S S I G N ME N T S C O N F I G U R A T I O N ME N U D I A G N O S T I C Fig 6 28 1 1 1 2 1 3 1 4 R M0 1 D M0 1 Fig 6 31 1 1 1 2 1 3 1 4 R M0 1 D M0 1 Fig 6 33 1 1 1 2 1 3 1 4 R M0...

Страница 46: ...o the main menu After the AM association operation is completed the system is operational NOTE If a system does not include the installation of relay modules and display modules the ASSIGNMENT panels...

Страница 47: ...low measurement chamber that fits properly around the sensing element Fig 6 40 found in the kit The gas must flow at a rate of about 0 5 liters minute and in any case no faster than 1 liters minute 4...

Страница 48: ...ned to it 6 7 Error messages on the control unit 6 8 Displays on the display module The display module displays any alarms detected by the gas detectors or AM it is assigned to A display on a display...

Страница 49: ...priority on the display until normal scanning starts again If there are problems on the communication line or an internal fail that prevent information exchange with the control unit the display modul...

Страница 50: ...0 LEL 40 LEL 7 1 2 Parking mode The parking mode when selected automatically activates a blanket configuration of all the CO and explosive gas sensors with the following set points Type of alarm Pre a...

Страница 51: ...U N E W I N S T A L L A T I O N N E W C E N T R A L U N I T D E L E T E D E V I C E Fig 7 4 MA I N ME N U C O N F I G U R A T I O N ME N U D I A G N O S T I C D I S P L A Y S E T T I N G S Fig 7 3 C...

Страница 52: ...input LED on Open input LED off The operating mode can be changed by following the procedure shown below See Fig 7 20 MA I N ME N U I N S T A L L A T I O N S T A T E S E N S O R L I S T E X P I R E D...

Страница 53: ...M I N L O G I C O U T P U T S L O G I C A L A R M MO D E Fig 7 20 A L A R M I N L O G I C P O S I T I V E N E G A T I V E Fig 7 22 A L A R M I N L O G I C P O S I T I V E N E G A T I V E Fig 7 23 Sett...

Страница 54: ...own below MA I N ME N U C O N F I G U R A T I O N ME N U D I A G N O S T I C D I S P L A Y S E T T I N G S Fig 7 28 C O N F I G U R A T I O N ME N U O U T P U T S L O G I C A L A R M MO D E Fig 7 32 O...

Страница 55: ...I C P O S I T I V E N E G A T I V E Fig 7 35 O U T P U T S L O G I C P O S I T I V E N E G A T I V E Fig 7 36 Setting cursor O U T P U T S L O G I C P O S I T I V E N E G A T I V E Fig 7 37 O U T P U...

Страница 56: ...ttings Any field device that is removed before it has been deleted for example to replace at some time is recognized by the control unit as FA In particular if a detector is in FA status the control u...

Страница 57: ...isplay will show the following Press to go back to the status screen 8 5 Displaying and changing the parameters of a field device The operator can display the characteristics of a field device to find...

Страница 58: ...ail condition To access the information below proceed as follows twice If you want to view the characteristics of any given field device use the up and down keys to line it up with the pointer then co...

Страница 59: ...1 8 2 and 8 3 It is possible to view the operating status of the RM DM and AM modules using the same procedure adopted for the detectors S 0 1 P r 1 T 2 T S E T 1 0 2 0 4 0 L E L G A S C H 4 S T A T E...

Страница 60: ...As a consequence all the actuating devices connected to them audible alarms solenoid valves etc must be activated With the cursor in the position shown in Fig 8 25 press the A RM active is replaced by...

Страница 61: ...d check the correct engagement of the respective devices connected to them After the tests are completed press until the status screen disappears any relays that are left active during the check will...

Страница 62: ...ing up the A DE FA sequence again After the tests are completed press until the status screen disappears any fail status that is forced during the check will in any case be deactivated when leaving th...

Страница 63: ...e is replaced by DE AM deactivated Press again to force a temporary fail FA to physically identify the device status LED steady on Press once more to bring up the A DE FA sequence again After the test...

Страница 64: ...m the main menu by pressing MA I N ME N U I N S T A L L A T I O N S T A T E S E N S O R L I S T E X P I R E D S E N S O R L I S T Fig 9 1 All the operations executed on the controller start from the s...

Страница 65: ...ches it off manually see Par 9 5 CAUTION In manual restore mode if an alarm activates a siren this will continue to sound until the operator switches it off manually This means that if a system is not...

Страница 66: ...ase the alarm status remains until the cause that generated it no longer exists A L A R M MO D E MA N U A L R E S E T Y E S Fig 9 14 C O N F I G U R A T I O N ME N U A L A R M MO D E Fig 9 13 A L A R...

Страница 67: ...ill only come into effect if the cause of the alarm no longer exists otherwise in other words if gas is still present the control unit will bring up the still active alarm conditions To reset the rela...

Страница 68: ...change MA I N ME N U C O N F I G U R A T I O N ME N U D I A G N O S T I C D I S P L A Y S E T T I N G S Fig 9 24 C O N F I G U R A T I O N ME N U L I M I T S MA T C H I N G A L A R M I N L O G I C O U...

Страница 69: ...U R A T I O N ME N U D I A G N O S T I C D I S P L A Y S E T T I N G S Fig 9 33 C O N F I G U R A T I O N ME N U MO D B U S A D D R E S S MO D B U S B A U D R A T E MO D B U S P O R T Fig 9 37 MO D B...

Страница 70: ...F I G U R A T I O N ME N U MO D B U S B A U D R A T E MO D B U S P O R T O U T P U T S L O G I C Fig 9 46 MO D B U S B A U D R A T E B A U D 9 6 0 0 Fig 9 48 MA I N ME N U I N S T A L L A T I O N S T...

Страница 71: ...N F I G U R A T I O N ME N U MO D B U S P O R T O U T P U T S L O G I C A L A R M MO D E Fig 9 55 MO D B U S P O R T P O R T R S 2 3 2 Fig 9 57 MA I N ME N U I N S T A L L A T I O N S T A T E S E N S...

Страница 72: ...S T I C D I S P L A Y S E T T I N G S Fig 9 60 C O N F I G U R A T I O N ME N U T E X T C O P Y I N G MO D B U S A D D R E S S MO D B U S B A U D R A T E Fig 9 64 T E X T C O P Y I N G T O C O N F I...

Страница 73: ...le system again 5 carry out the following operations From CONFIGURATION MENU on the control unit use the key to go to NEW CENTRAL UNIT then press to enter the menu in Fig 10 1 The control unit automat...

Страница 74: ...eld device identification number Instead press to decrease that number D E L E T E D E V I C E T O C O N F I R M P R E S S S I MU L T A N E O U S L Y Fig 10 8 D E L E T E D E V I C E S 0 1 R M 0 1 D M...

Страница 75: ...shown in the paragraph above then select REPLACE DEVICE from the CONFIGURATION MENU Note that the control unit only brings up the addresses of field devices already deleted beforehand in the example d...

Страница 76: ...L T A N E O U S L Y Fig 10 24 A D D D E V I C E S 0 4 R M 0 1 D M 0 1 A M 0 1 P R E S S D E V I C E B U T T O N S 0 4 G A S C O Fig 10 25 A D D D E V I C E S 0 4 R M 0 1 D M 0 2 P R E S S D E V I C E...

Страница 77: ...operator realizes he has made serious mistakes that affect the normal continuation of the installation or if he cannot find a system status in line with expectations the control unit can be used to ex...

Страница 78: ...E S S Fig 10 36 MA I N ME N U I N S T A L L A T I O N S T A T E S E N S O R L I S T E X P I R E D S E N S O R L I S T Fig 10 30 MA I N ME N U C O N F I G U R A T I O N ME N U D I A G N O S T I C D I S...

Страница 79: ...ry setting or automatic 6 Selectable alarm operating mode positive factory setting or negative 7 Automatic control of sensor operating time with display of residual life 8 Output for internal communic...

Страница 80: ...the right of the cursor Cursor that appears in setting status Indicates that there is more information above the window displayed Pointer Indicates that there is more information below the window disp...

Страница 81: ...atalytic Pellistor or Electrochemical Cell 5 full scale 10 readout Precision Semiconductor 10 full scale on calibration point Repeatability 5 full scale 10 readout Measurement resolution 1 LEL 5 ppm M...

Страница 82: ...configuration of the module as shown in Fig 11 1 below Fig 11 1 Configuration devices module MAR40 P SENSIGAS MAR40 P I II TB1 TB2 TB3 TB4 1 2 3 4 TB5 TB6 E2 E1 S1 1 CN1 JP1 ICP SW1 E4 E3 E1 E2 BUS te...

Страница 83: ...order of alarm priority the sensors assigned to it indicating their type methane LPG CO etc the alarm status and the current measurement with a maximum of eight messages If the control unit is configu...

Страница 84: ...ed to it in order to activate any RMs assigned to it The type of input contact latched button is selected through a way of the 4 way SW1 DIP switch SW1 1 for input 1 and so forth as shown in Fig 11 4...

Страница 85: ...on key SW1 1 input 1 configuration 2 input 2 configuration 3 input 3 configuration 4 input 4 configuration SW2 1 2 input 1 alarm type configuration 3 4 input 2 alarm type configuration 5 6 input 3 ala...

Страница 86: ...ts on all the AMs Positive mode default means the input is closed if there is no alarm Negative mode means the input is open if there is no alarm Please note that irrespective of the mode selected the...

Страница 87: ...Type N Rev Data Page Total pages EW095 605 5 November 2010 87 96 EsiWelma s r l 12 DIMENSIONS 12 1 UCE40 control unit Fig 12 1 Dimensions of UCE40 control unit...

Страница 88: ...AR40 relay module MDD40 display module and MID40 alarm module Fig 12 2 Dimensions of MAR40 MDD40 and MID40 modules 12 3 Detectors UR 40 E UR 40 I Fig 12 3 Dimensions of detectors UR 40 E UR 40 I 58 48...

Страница 89: ...r 2010 89 96 EsiWelma s r l 12 4 UR 40 S detectors Fig 12 4 Dimensions of UR 40 S detectors 12 5 UR 40 L detectors Fig 12 5 Dimensions of UR 40 L detectors 60 100 80 55 155 100 86 60 100 80 55 155 100...

Страница 90: ...m Min size of 12Vdc power supply cable 2 5 mm 2 12Vdc BUS Battery 12Vdc C NO NC C NO NC C C NO NO NC NC C NO NC C NO NC C C NO NO NC NC C NO NC C NO NC C C NO NO NC NC C NO NC C NO NC C C NO NO NC NC...

Страница 91: ...Fault Alarm BUS OUT 12Vdc 12Vdc IN Battery BUS 12Vdc IN BUS 12Vdc IN BUS 12Vdc IN UR 40 E UR 40 I UR 40 S UR 40 L M 40 1 st T Alarm assigned devices Pre Alarm T Alarm assigned devices MAR40 Fault UCE...

Страница 92: ...sition Alarm I 1 Signal I 1 Alarm I 2 Signal I 2 Alarm I 3 Signal I 3 Alarm I 4 Signal I 4 1 2 3 4 5 6 RELAY MODULES N RM position Detectors AM assigned Relay outputs N RM position Detectors AM assign...

Страница 93: ...5 5 November 2010 93 96 EsiWelma s r l 15 INSTALLATION DATA To be filled by Installer Installer stamp and signature Installation site and or room Product order number Part Number Manufacturing date In...

Страница 94: ...Type N Rev Data Page Total pages EW095 605 5 November 2010 94 96 EsiWelma s r l 16 ROUTINE CHECKS To be filled in by Installer Service Personnel Date Description Signature...

Страница 95: ......

Страница 96: ...Via F lli Canepa 134D E 16010 Serra Ricc Genova Italy Tel 39 010 75421 1 Fax 39 010 75421 78 e mail info esiwelma it Web www esiwelma it EsiWelma s r l...

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