TM 40/40M, Rev (14) February 2017
Model and Types
15
Table 1 describes the wiring options in detail.
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 HART
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 the 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 onsite.
For example, product number 40/40M-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
on page 36.