Multi IR Hydrocarbon and Hydrogen Flame Detector User Guide
44
Connecting the Detector
2.7.1 Verifying the Detector Wiring
The detector has 5 output wiring options within the Exde integral terminal
section of the enclosure. There are 12 terminals labeled 1
–
12.
Table 15 describes the function of each terminal for all the wiring options.
Table 15: Model 40/40M Wiring Options
Wire
Terminal
No.
Option 1
Default
Option 2
Option 3
Option 4
Option 5
1
+24VDC
+24VDC
+24VDC
+24VDC
+24VDC
2
0VDC
0VDC
0VDC
0VDC
0VDC
3
Manual
BIT
Manual
BIT
Manual
BIT
Manual
BIT
Manual
BIT
4
Fault
Relay N.C.
Fault
Relay N.C.
Fault
Relay N.O.
Fault
Relay N.C.
Fault
Relay N.O.
5
6
Alarm
Relay N.O.
Alarm
Relay N.O.
Alarm
Relay N.O.
Alarm
Relay N.O.
Alarm
Relay N.O.
7
Alarm
Relay C
Alarm
Relay C
Alarm
Relay C
Alarm
Relay C
Alarm
Relay C
8
0
–
20mA
In
Alarm
Relay N.C.
Alarm
Relay N.C.
Auxiliary
N.O.
Auxiliary
N.O.
9
0
–
20mA
Out*
0
–
20mA
Out*
0
–
20mA
Out*
Auxiliary
C
Auxiliary C
10
RS-485+
(1)
RS-485+
(1)
RS-485+
(1)
RS-485+
(1)
RS-485+
(1)
11
RS-485-
(1)
RS-485-
(1)
RS-485-
(1)
RS-485-
(1)
RS-485-
(1)
12
RS-485
GND
RS-485
GND
RS-485
GND
RS-485
GND
RS-485
GND
*Available with the HART protocol.
Notes
:
RS-485 is used for the communication network as specified in
Appendix
(Terminals 10, 11, and 12) and to connect (in a safe area) to
a PC or laptop for configuration and diagnostics.
Alarm relay:
N.O. contact in wiring options 1, 4, and 5.
N.O. and N.C. in wiring options 2 and 3.
0
–
20mA is
“
Sink
”
in option 1 and
“
Source
”
in options 2 and 3.
0
–
20mA options 1, 2, and 3 are available with the HART protocol.
In wiring option 1, link Terminals 1 and 8 to change the mA output to
“
Source.
”
Содержание SharpEye 40/40M
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