Samson 3761, Mounting And Operating Instructions

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The device is to be assembled, started up or operated only by trained and ex-
perienced personnel familiar with the product.
According to these mounting and operating instructions, trained personnel is
referred to as individuals who are able to judge the work they are assigned to
and recognize possible dangers due to their specialized training, their knowl-
edge and experience as well as their knowledge of the applicable standards.
4
Explosion-protected versions of this device are to be operated only by person-
nel who has undergone special training or instructions or who is authorized to
work on explosion-protected devices in hazardous areas.
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Any hazards that could be caused in the control valve by the process medium,
the operating pressure or by moving parts are to be prevented by means of
the appropriate measures.
If inadmissible motions or forces are produced in the pneumatic actuator as a
result of the supply pressure level, it must be restricted using a suitable supply
pressure reducing station.
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Proper shipping and storage are assumed.
Safety instructions Versions
EB 8386 EN
3
Positioner versions Type 3761– x x x x x x
Explosion protection Without 0
EEx ia IIC T6 1
Design Pneumatic
1 0
Electropneumatic 2
Tight-closing function Without 0
At a reference variable of 0 % 1
At a reference variable of 100 %
2
Type of function Single output 1
Double output 2
Accessories Without electric limit switch 0
With electric limit switch
1
Pneumatic connections ISO-228/1 – G ¼ 1
¼-18 NPT 2