Page 16
4.8.5
Relay Output Connections
Five “voltage free” relay outputs (TB2 – TB6) are provided and can be configured for a variety of uses.
➢
Alarm
- activated on device alarm conditio
ns and “Function” programmed logics. The relay
is turned off during a ALARM disable condition.
➢
Sprinkler
- a
ctivated on device alarm conditions and “Function” programmed logics.
➢
Fault
- a
ctivated on all fault conditions and “Function” programmed logics. The relay is
turned off during a FAULT disable condition.
➢
Isolate
- a
ctivated on all isolate conditions and “Function” programmed logics.
➢
Battery Fail
- activated on
battery fail conditions and “Function” programmed logics.
➢
Mains Fail
- activated on a mains power
fail condition and “Function” programmed logics.
➢
Warning System
- a
ctivated on evacuation, device alarm conditions and “Function”
programmed logics. If the activation of this relay is due to an evacuation condition, then the
relay is turned off during an Alarm (sounder) disable or Alarm (sounder) silence condition.
➢
Ancillary
- activated on device alarm conditions.
➢
General Purpose
- a
ctivated via “Function” programmed logics
Relay Switching Characteristics
These outputs have been designed to be able to switch predominately resistive loads as listed below.
Switching voltage
Maximum switching current
30VDC
1A
24VAC
1A
50VDC
250mA
40VAC
250mA
The default relay contacts are connected as shown below.
TB2
TB3
TB4
TB5
TB6
TB2 to TB6 are located on the
lower to mid left hand side of the board
C
NC
NO
1A Un-monitored
Voltage Free Conacts:
NO: Normally Open
NC: Normally Closed
C: Common
NO C NC
NO C NC
NO C NC
NO C NC
NO C NC
NO C NC
NO C NC
Note:
NO C NC
NO C NC
FIRE
FAULT
EWIS
ISOLATE
BATT
FAIL
Relays are Programmable. Default Setup Shown
+27VDC
from PSU
Battery 2
12Volts
Battery 1
12 Volts
+
-
-
+
HPCI
POWER OK
2
2
/0
9
/0
9
SGD
A
U
X
O
U
T
1
A
U
X
O
U
T
2
+
-
N
/C
C
N
/O
N
/C
C
N
/O
1+
1-
2+
2-
3+
3-
4+
4-
2+
3+
4+
C
JTAG
E. BOARD CONTROL
C
O
M
M
S
.
C
O
M
M
S
.
E
T
H
BAT+
BAT-
+27V
0 V
COMMS FAIL
EOL
1+
E. BOARD SW. POWER
B
R
D
8
6
B
P
S
C
4
-
E
X
T
T
E
M
P
L9
R
1
0
3
R
1
0
8
C36
C34
C35
C
5
6
C
5
8
C N4
C N5
C N6
C N7
C
N
1
1
C
N
1
0
CN2
D9
D10
D11
D7
LK1
M2
M1
1
M1
M4
M12
M3
M6
M13
M5
M8
M14
M7
M10
M15
M9
Q5
R
7
5
R
L
1
R
L
2
R
L
3
R
L
4
R
L
5
T
B
2
T
B
3
T
B
5
T
H
4
T
H
2
T
H
1
T
H
7
T
H
8
U2
U8
U5
U6
U7
ZD8
ZD5
ZD4
ZD1
ZD6
ZD2
ZD7
ZD3
T
B
1
0
HSNK2
CN3
N12
36
L6
L7
L8
C43
CN12
1
T1
Q8
TH5
H
S
N
K
1
TH9
C N8
M1
6
CN1 0
RS485
COMMS.
I N
CN1 1
RS485
COMMS.
O UT
R
E
L
A
Y
4
R
E
L
A
Y
5
M
O
N
IT
O
R
E
D
O
U
T
P
U
T
S
N
/C
C
N
/O
N
/C
C
N
/O
N
/C
C
N
/O
R
E
L
A
Y
3
R
E
L
A
Y
2
R
E
L
A
Y
1
+
-
POWER
O/Ps
BATT
FLT.
M
O
N
E
N
M
O
N
IT
O
R
E
D
I
N
P
U
T
S
BRIGADE
BOARD
CN1
T
B
1
T
B
8
T
B
7
T
B
4
T
B
6
Figure 13: Relay Outputs
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