Operating Controls And Readings; Rotary Pushbutton; Serial Interface - Samson 3731-5 Mounting And Operating Instructions

6 Operating controls and readings

Protective cover
Fig. 15: Operating controls of Type 3731-3 Positioner

6.1 Rotary pushbutton

The rotary pushbutton ( ) is located under-
neath the front protective cover.
The device is operated on site using the
rotary pushbutton:
Turn : select codes and values
Press : confirm setting

6.2 Serial interface

The serial interface connection is located un-
derneath the display cover: unscrew and re-
move the retaining screw before unscrewing
the display cover.
EB 8387-5 EN
Rotary pushbutton
An open display cover will render the explo-
sion protection unsafe.
Only open the display cover in atmospheres
that are not potentially explosive.
The local SAMSON SSP interface of the po-
sitioner needs to be connected over an
adapter (see Table 5 on page 19) to the
RS-232 or USB port of the computer before
the TROVIS-VIEW software can be used.
Operating controls and readings
Display Serial interface
WARNING
!
Retaining
screw
49