Instruction manual

SITRANS TW

A5E00054075-05

Technical Description

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.

Figure 2 Front view of SITRANS TW, 4-wire mounting rail device

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

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