Structure and function
Setup
3
22 | 72
Building Technologies
009122_h_en_--
Fire Safety
2016-05-04
3.2.3 Indication elements
The position numbers in the following chapters relate to the graphic in chapter
'Printed circuit board view [ 21]'.
3.2.3.1 Input/output module status display
Primary side LEDs – Position number 12
Operating condition
Flashing mode
Graphic
Normal
'PWR PRIM'
flashes green
every four
seconds
'FAULT PRIM'
off
Test mode ¹
'PWR PRIM'
flashes green
every four
seconds
'FAULT PRIM'
flashes yellow
every four
seconds
Localization mode
'PWR PRIM'
flashes green
every four
seconds
'FAULT PRIM'
flashes yellow
every second
Fault
No FDnet/C-NET supply
voltage
Input/output module
defective
'PWR PRIM' off
'FAULT PRIM'
off
Fault
No supply voltage (24 V)
Fault on input/output line,
e.g., short-circuit or open
line
Activation of inputs in
degraded mode operation
'PWR PRIM' off
'FAULT PRIM'
flashes yellow
every four
seconds
Fault in localization mode
'PWR PRIM' off
'FAULT PRIM'
flashes yellow
every second
and flashes
yellow twice
every four
seconds
¹ The 'PWR PRIM' and 'FAULT PRIM' LEDs do not flash in sync in test mode
t
0
1
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3
4
5
6
7
8
9
10
12
11
[s]
t
0
1
2
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7
8
9
10
12
11
[s]
t
0
1
2
3
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5
6
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8
9
10
12
11
[s]
t
0
1
2
3
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6
7
8
9
10
12
11
[s]
t
0
1
2
3
4
5
6
7
8
9
10
12
11
[s]
t
0
1
2
3
4
5
6
7
8
9
10
12
11
[s]
t
0
1
2
3
4
5
6
7
8
9
10
12
11
[s]
t
0
1
2
3
4
5
6
7
8
9
10
12
11
[s]
t
0
1
2
3
4
5
6
7
8
9
10
12
11
[s]
t
0
1
2
3
4
5
6
7
8
9
10
12
11
[s]
t
0
1
2
3
4
5
6
7
8
9
10
12
11
[s]
t
0
1
2
3
4
5
6
7
8
9
10
12
11
[s]
