Spectrex 40/40I Triple IR (IR3) Flame Detector - Manual (Page 15)

TM 40/40I, Rev (6) July 2013
Model and Types 3
Table 1: Wiring Options
Wiring
Option
Connections Provided
1 Power
Manual
BIT
Fault
Relay
N.C.
Alarm
Relay
N.O.
0-20mA
Sink
RS-485 -
2 Power
Manual
BIT
Fault
Relay
N.C.
Alarm
Relay
N.O.,
N.C.
0-20mA
Source RS-485 HART
3 Power
Manual
BIT
Fault
Relay
N.O.
Alarm
Relay
N.O.,
N.C.
0-20mA
Source
RS-485 HART
4 Power
Manual
BIT
Fault
Relay
N.C.
Alarm
Relay
N.O.
Auxiliary
N.O.
RS-485 -
5 Power
Manual
BIT
Fault
Relay
N.O.
Alarm
Relay
N.O.
Auxiliary
N.O.
RS-485 -
Note: Wiring option 1 is default. The mA 'Sink' output can be altered to
'Source' type, with a link between terminals 1 and 8. No other wiring options
can be changed on site.
For example, product number 40/40I-321SC has the following options:
 Wiring Option: 3 (Power, Manual BIT, RS-485, 0-20mA (Source) with
the HART protocol, Fault Relay (N.O.), Alarm Relay (N.O., N.C.))
 Temperature Range: 2 (85°C)
 Cable Entry: 1 (M25)
 Housing : S (Stainless Steel)
 Approval: C (ATEX, IECEx)
Note: Check your specific part numbers against the information in Checking
the Product Type on page 20.