FlameSpec
IR3-HD
User Manual
F101V0020.05
For more information & Technical support: (+1) 714-671-8500 · [email protected]
14
4.1
Wiring Functions:
The detector has 20 terminals as defined in the following table:
T
ABLE
3:
T
ERMINAL CONNECTIONS
Pin #
Function
Description
Ground
Ground (earth)
Connected to a screw on the housing exterior.
1
24 VDC (+)
Power supply (18-32 VDC)
2
24 VDC (-)
Power supply return (0V)
3
0-20mA+ (In)
This output is used for analog 0-20 mA current output
4
0-20mA- (out)
5
Fault Relay
A normally open SPST contact relay, that is energized (closed) when the
detector is in normal operation, and opens in case of fault.
6
Fault Relay COM
7
Alarm Relay (NO)
A normally open SPST contact relay, that is open in normal operation,
and closed when fire is detected. This relay can be configured to latch
as described in section (3.4).
8
Alarm Relay COM
9
Analog Video +
Composite (analog) video output
10
Analog Video -
11
24 VDC (+)
Power supply (18-32 VDC)
12
24 VDC (-)
Power supply return (0V)
13
Manual BIT activation The manual BIT (built-in test) can be initiated by momentarily short
circuiting this terminal and one of the “24 VDC (
-
)” terminals
(2 or 12)
”
.
See 3.8 Manual BIT
Alarm Output Test for more details.
14
RS 485 (+)
RS-485 Modbus communication (used
by the “
FGD Communicator
”
software)
15
RS 485 (-)
16
Ethernet TX+
Ethernet communication, used for digital video (with ONVIF profile S
protocol)
17
Ethernet TX-
18
Ethernet RX+
19
Ethernet RX-
20
Shield
This terminal should be left connected to the housing internal ground
screw.
