Fike FIK-IR3-HD - Wiring Functions; Table 3 - Terminal Connections

FIK-IR3-HD User Manual Doc. No. 06-932.02
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4.1 Wiring Functions:
The detector has 20 terminals as defined in the following table:
Table 3 - Terminal 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 “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.