Design And Functional Principle; Design - Siemens SITRANS TW 7NG3242 Betriebsanleitung

1.3

Design and functional principle

1.3.1

Design

The design of the SITRANS TW 4-wire mounting rail device is shown in figure 2
and figure 3, page 84.
1 Additional rating plate for explosion-proof device version
2 Rating plate
3 Screw-type connector for output and HART modem for on-site operation.
4 Screw-type connector for relay output
5 Test jack for output signal current
6 Screw-type connector for auxiliary power and PE connection
7 Operating display
8 Screw-type connector
9 Release catch for the transparent cover
Figure 2
SITRANS TW
A5E00054075-05
Front view of SITRANS TW, 4-wire mounting rail device
Technical Description
83