EV3000
INSTALLATION & COMMISSIONING
13.2 Time Out Setting For Automatic Evacuation Sequence
The selection of the time can be achieved either before or after the power up sequence.
The time base is ten (10) seconds, i.e. the minimum time out possible is 10 seconds to a maximum
of 10 minutes in 10 second increments. An eight position DIL switch located on the rear of the 302-
4220 main CPU Board (refer Figure 27) is provided to select the required time out.
API-422-C
MEMORY
MODULE
EXPANSION
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1
SW5 DO
NOT
TOUCH
CN24
CN17
CN16CN15CN14
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CN12
CN4
CN1
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CN5
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+
CN10
CN11
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CN26
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RESET
TIME OUT
SELECTION
SWITCH
ON
1 2 3 4 5 6 7 8
ON
1 2 3 4 5 6 7 8
Figure 33: Switch settings
SETTING THE TIME OUT
The total time out is calculated by adding the count of the switches that are “ ON “ as shown below,
PLUS one (1) and then multiplying this total by the base time. The base time is usually ten seconds
unless stated otherwise.
ON
1 2 3 4 5 6 7 8
1 2 4 8 16 32
SWITCHES 7 & 8
ARE NOT USED
ON
SWITCH
NUMBERS
COUNT
Figure 34: Switch Settings
Example: Switches numbered 2 + 3 are ON, all others are OFF
The count for the Timeout is therefore = (2 + 4 + 1) x 10 = 70 seconds
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