Specifications
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Siemens FI 01 · 2015 US Edition
Temperature Measurement
Transmitters for rail mounting
SITRANS TW four-wire system, universal, HART
2
Connection diagram for power supply, input and outputs
Relay outputs
■
Dimensional drawings
Dimensions for control room mounting, rail mounting in mm (inches)
Connected terminals
Closed-circuit operation (relay opens when
error)
• Device switched off 10 and 11
• Device switched on and no error 9 and 11
• Device switched on and error 10 and 11
Open-circuit operation (relay closes when
error)
• Device switched off 10 and 11
• Device switched on and no error
10 and 11
• Device switched on and error
9 and 11
1 to 4 Signal input (see "sensor input connections" for possible
types of connection)
5, 6 Analog output (U or I output parameterizable using plug-in
jumpers)
7, 8 Connection with HART communication for local
parameterization
9 to 11 Output for sensor fault/limit monitor as relay contact
(see below for possible parameterization)
12 PE connection
13, 14 Power supply input (protected against reverse polarity)
Relay output HART
SensorLimit
monitor
HART/Power supply
connection
14 13 12 11 10 9 8 7 6 5 4 3 2 1
U
H
+-
+-
~~
1
1 In devices with explosion protection
112.5 (4.43)
26.6
(1.04)
114 (4.5)
135 (5.3)
12 (0.47)
38 (1.5)
© Siemens AG 2015










