Technical Data - Siemens SITRANS TF 7NG313 Serie Betriebsanleitung

SITRANS TF
Sensor
TC
1
RTD
A
D
1 Analog/digital converter
2 Electrical isolation
3 Microcontroller
4 Digital/analog converter
5 Auxiliary power source (e.g. isolating power supply)
6 PC/Laptop
7 HART modem
8 Digital display (Option)
9 Test connectors
Figure 3 Block diagram of the mode of function of the SITRANS TF with in-built SITRANS TK-H and
digital display
3.3

Technical Data

Input
Resistance thermometer
· Measured variable
· Input type
· Characteristic
· Type of connection
Resistance-based sensor
· Measured variable
· Measuring limit
· Characteristic
· Type of connection
Thermocouples
· Measured variable
· Input typ
· Characteristic
· Cold junction compensation
mV sensor
· Measured variable
· Measuring limit
· Characteristic
· Overload capacity of the input
Input resistance
·
26
SITRANS TF
SITRANS TK-H
3 4
2
D
μP
A
8
0000
_
00 C
9
6
Temperature
Pt25 to Pt1000 (DIN IEC 751)
Pt25 to Pt1000 (JIS C 1604)
Ni25 to Ni1000 (DIN IEC 751)
Cu25 to Cu1000
Temperature-linear
Two, three, or four wire connection
Actual resistance
2200 W
Resistance linear or programmable (TK)
Two, three, or four wire connection
Temperature
Type B, E, J, K, R, S, T (DIN IEC 584-1)
Type L, U (DIN 43 710)
Type N (BS 4937)
Type C, D (ASTM 988)
Temperature-linear
Internal, external with Pt100 or external with
fixed value
Direct current
1100 mV
Resistance linear or programmable (TK)
--0,5 to +35 V DC
1 MW
≥
Instruction Manual
Auxiliary power
5
Load
7
A5E00046014-07