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15
76-M-6010-02-02
F-Guard IR3 HD User Manual
T
ABLE
1:
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 analogue 0-20 mA current output
4
0-20mA- (out)
5
Fault Relay
An SPST contact relay, 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, is open in normal operation
and closed when a 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 -
A1
Auxiliary Relay NO A normally open SPST contact relay with B1, that is open in
normal operation, and closed according to the configuration used.
11
24 VDC (+)
Power supply (18-32 VDC)
12
24 VDC (-)
Power supply return (0V)
13
Manual BIT
activation
14
RS 485 (+)
15
RS 485 (-)
16
Ethernet TX+
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 3.11 Manual BIT – Alarm Output Test for more
details.
RS-485 Modbus communication (used by the “
Gastech
Communicator” software)
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.
B1
Auxiliary Relay COM See A1 terminal
