Table 1: wiring options, Table 2: detector versions – Spectrex 40/40L-LB UV/IR Flame Detector Series User Manual
Page 15
TM 40/40L, Rev (6) February 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.
Table 2: Detector Versions
Detector Version
Description
L
UV/IR, IR at 2.8 µm, without BIT
LB
UV/IR, IR at 2.8 µm, with BIT
L4
UV/IR, IR at 4.5 µm, without BIT
L4B
UV/IR, IR at 4.5 µm, with BIT
For example, product number 40/40L, LB, L4, L4B-321SC has the following
options:
Detector Version: UV/IR, IR at 2.8 µm, without BIT
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.