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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. D211-00-471-IS-SC Issue A 27-11-19 Sheet 5 of 8
10) Settings
10.1 Flash Rate Setting
The D2xB1LD3 beacons can produce different flash patterns
as shown in Table 1. The flash patterns are selected by
operation of the flash setting DIP switch on the PCB, Fig 7.
Fig. 7: DIP Switch Location
1=ON; 0=OFF
Table 1: Switch Positions for Flash Patterns
Fig. 8 Dip Switch
(Example shown: 01 = Flashing 1.33Hz)
11) Maintenance, Overhaul & Repair
Maintenance, repair and overhaul of the equipment should
only be carried out by suitably qualified personnel in
accordance with the current relevant standards:
IEC/EN60079-19 Explosive atmospheres - Equipment repair,
overhaul and reclamation
IEC/EN60079-17 Explosive
atmospheres
-
Electrical
installations inspection and maintenance
To avoid a possible ELECTROSTACTIC CHARGE the unit
must only be cleaned with a damp cloth.
Units must not be opened while an explosive atmosphere is
present.
If opening the unit during maintenance operations a clean
environment must be maintained and any dust layer removed
prior to opening the unit.
Switch
Setting
Mode
00
1Hz (60FPM)
01
1.33Hz (80FPM)
10
1.5Hz (90FPM)
11
2Hz (120FPM)
Warning
– high-intensity light source. Avoid
looking directly at the light source for
extended periods of time.