Siemens SITRANS TK Bedienungsanleitung Seite 49

Instruction Manual
Current measurement
3
4
Figure 6 Sensor pin assignments (continued)
+
---
Transmitter
SITRANS TK-H
Hand-held
Communicator
Figure 7 Connection to the hand-held communicator or a HART modem when using
SITRANS TK-H
SITRANS TK/TK-H
C79000-B7174-C12-07
6
5
R
I
HARTR
modem
or
7NG3120, 7NG3121, 7NG3122
Voltage measurement
3
4
+
---
230 Ω
Auxiliary power
RS-232-C
6
5
+ - -
PC/
Laptop
49