Commissioning - Siemens SITRANS TW 7NG3242 Betriebsanleitung

Sensor interfaces for devices with order number: 7NG3242-xxxx0
Resistance thermometer, resistance transmitter, potentiometer
1
2
3
4
Thermocouples
5
6
7
mV transmitter
8
with accessories
9
10
11
Sensor input wirings for devices with order number: 7NG3242-xxxx[1-3]
V transmitter
12
Sensor input wirings for devices with order number: 7NG3242-xxxx[4-8]
µA- / mA transmitter
13
Table 7
6.5

Commissioning

The software operating data of the transmitter must be set to meet the requirements
of the current measuring job and must correspond to specifications on the software
rating plate. If the software operating data do not match the data on the software
rating plate, the rating plate must be corrected or replaced by a new one (Chapter
3.5.2, page 92).
The hardware operating data must also match the data on the hardware rating plate.
If changes are made to the hardware parameterization (switching over from current
to voltage or vice versa), the current state on the hardware rating plate must be
documented (see Chapter 3.5.3, page 92).
SITRANS TW
A5E00054075-05
Two-wire circuit Resistance for line compensation is parameterizable
Three-wire circuit
Four-wire circuit
Difference/average value circuit: 2 resistors parameterizable for line
compensation
Determining the comparative temperature with built-in Pt100 or with fixed
reference temperature
Determining the comparative temperature with external Pt100, resistance for
line compensation is programmable
Difference / average circuit with internal comparative temperature
Two-wire circuit
Determining the reference temperature with reference point terminal
7NG3092-8AV
Voltage measurement -1.2 to 10 V with U/I input plug 7NG3092-8AV
Current measurement -12 to 100 mA with U/I input plug 7NG3092-8AV
Two-wire circuit
Two-wire circuit
Sensor interfaces
Installation and commissioning
131