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European Safety Systems Ltd.

Impress House, Mansell Road, Acton, London W3 7QH [email protected] Tel: +44 (0)208 743 8880

www.e2s.com Fax: +44 (0)208 740 4200
Document No. D191-00-601-IS Issue 1 20-03-2020 Sheet 17 of 8

Figure 12: Schematic of SIL 2 system wiring for fault detection in standby mode only – 4 wire installation configuration in Star

formation

Содержание D1xB2X Series

Страница 1: ...ATMOSPH RES DANGEREUSES LE PREMIER CONDUIT DE CONDUIT DOIVENT AVOIR UN RACCORD D TANCH IT RACCORD MOINS DE 18 POUCES DE L ENFERMEMENT POUR SUBS QUENT LES CONDUITES DE CONDUIT LA DISTANCE ENTRE LA SUR...

Страница 2: ...used to run the equipment The power supply selected must have the necessary capacity to provide the input current to all the units Rated at 1Hz Table 1 Electrical Ratings The input current will vary a...

Страница 3: ...g grub screw in the cover and then remove the glass dome cover assembly to gain access to the chamber This can be achieved by unscrewing the glass dome cover taking extreme care not to damage the thre...

Страница 4: ...All DC beacons have a blocking diode fitted in their supply input lines An end of line monitoring resistor can be connected across the ve and ve terminals in the explosion proof enclosure If an end o...

Страница 5: ...ement of beacon lens cover Fit the wire guard back onto the housing over the new lens cover aligning the fixing holes of the guard lens cover and housing Refit the fixings to hold into place the fixin...

Страница 6: ...and provides feedback to the control panel A fault condition can be communicated via independent fault contacts or by the introduction to the monitoring circuit of an end of line resistor A SIL 2 sys...

Страница 7: ...and may not be functioning correctly 13 2 Power Failure SIL 2 Failure SIL 2 Controller failure Internal function and system checking flags fault Rapid Power cycling System indicates power instability...

Страница 8: ...The fault will be seen via the SIL 2 TB1 terminals as soon as the fault occurs in either Active or Standby modes As factory default when there is no fault the TB1 terminals 1 2 will be closed putting...

Страница 9: ...default customer sense resistor value is 3 3k Examples of calculations of resistance for steady mode and fault mode are shown in table 1 Panel Resolution Topology Resistor TB1 CSR No of Units Steady...

Страница 10: ...fault detection current Important This configuration requires the customer to set J2 header pin to be set to position B see figure 9 as the units default position is A Figure 7 Schematic of SIL 2 syst...

Страница 11: ...tar topology is when each unit is connected to a central source as shown in figure 14 3 Resistor The customer is required to calculate the total resistance a system to determine the change in current...

Страница 12: ...to the panel and a cable cut open reduces current presenting an open circuit to the panel In series topology a cable short between units will short out one of the current sense resistors which results...

Страница 13: ...0 Sheet 13 of 8 16 3 Header Pins Settings J1 Header Pin Postion A Factory default position pins 1 2 not linked places TB1 Current sense resistor in circuit J1 Header Pin Postion B pins 1 2 linked remo...

Страница 14: ...nning hour of the unit The maximum running duration is 2 500 hours 18 Synchronised Operation All D1xB2 SIL2 beacons that are connected to the same supply line will have a synchronised flash rate at on...

Страница 15: ...ng for Fault Resistor and Customer EOL Resistor The customer is able to identify the resistor values chosen on purchase from the product code This is represented by the last two characters D1XB2X05DC0...

Страница 16: ...ean Safety Systems Ltd Impress House Mansell Road Acton London W3 7QH sales e2s com Tel 44 0 208 743 8880 www e2s com Fax 44 0 208 740 4200 Document No D191 00 601 IS Issue 1 20 03 2020 Sheet 16 of 8...

Страница 17: ...an Safety Systems Ltd Impress House Mansell Road Acton London W3 7QH sales e2s com Tel 44 0 208 743 8880 www e2s com Fax 44 0 208 740 4200 Document No D191 00 601 IS Issue 1 20 03 2020 Sheet 17 of 8 F...

Страница 18: ...ean Safety Systems Ltd Impress House Mansell Road Acton London W3 7QH sales e2s com Tel 44 0 208 743 8880 www e2s com Fax 44 0 208 740 4200 Document No D191 00 601 IS Issue 1 20 03 2020 Sheet 18 of 8...

Страница 19: ...an Safety Systems Ltd Impress House Mansell Road Acton London W3 7QH sales e2s com Tel 44 0 208 743 8880 www e2s com Fax 44 0 208 740 4200 Document No D191 00 601 IS Issue 1 20 03 2020 Sheet 19 of 8 F...