Samson 3730-1 - Mounting Versions

16 EB 8384-1 EN
Design and principle of operation
3.1 Mounting versions
TheType3730-1Positionerissuitableforthe
following types of attachment using the cor-
respondingaccessories(seesection3.3):
− DirectattachmenttoType3277Actuator
(seesection5.3):Thepositioneris
mounted on the yoke. The signal pres-
sure is connected to the actuator over a
connection block: internally over a hole
in the valve yoke for "actuator stem ex-
tends" fail-safe action and through an
external signal pressure line for "actuator
stem retracts" fail-safe action.
− Attachment to actuators according to
IEC60534-6(seesection5.4):Theposi-
tioner is mounted to the control valve us-
ing a NAMUR bracket.
− Attachment according to VDI/
VDE3847-1/-2(seesection5.5/sec-
tion5.6):AttachmentaccordingtoVDI/
VDE3847-1/-2usingthecorresponding
accessories allows the positioner to be
replaced quickly while the process is run-
ning.
− AttachmenttoType3510Micro-ow
Valve(seesection5.7):Thepositioneris
attached to the valve yoke using a brack-
et.
− Attachment to rotary actuators according
toVDI/VDE3845(seesection5.8):The
positioner is mounted to the rotary actu-
ator using the corresponding accessories.
3.2 Device overview and oper-
ating controls
Seesection6onpage70.