Note On Attachment To Rotary Actuators According To Vdi/Vde 3845 - Samson 3710 series Mounting And Operating Instructions

Attachment to positioners and limit switches
4.4 Note on attachment to
rotary actuators according
to VDI/VDE 3845
The description applies to the following de-
vices:
− Type 3730 Positioner (angle of rotation
>90°)
− Type 3766 Positioner
− Type 3767 Positioner
− Type 3768 Limit Switch
Î For the attachment of the reversing am-
plifier to the above listed devices with
mounting kit 1400-8815, remove the
vent plug (6) from the intermediate piece
(5) and insert into the positioner (see
Fig. 4):
1. Place the O-ring (3) onto the screw plug
(1).
6 2 4
1 Screw plug
2 Threaded bushing
3 O-ring
4 Retaining washer
5 Intermediate piece
6 Vent plug
Fig. 4: Relocating the vent plug on attachment to rotary actuators according to VDI/VDE 3845
10
2. Screw the screw plug (1) into the vent
opening of the intermediate piece (5).
3. Thread the threaded bushing (2) and re-
taining washer (4) into the free cable
gland of the positioner.
4. Screw vent plug (6) into the threaded
bushing (2).
5. Fasten the reversing amplifier directly to
the positioner/limit switch using two M5
screws.
Note:

The vent plug included in the mount-
ing kit (1400-8815) has IP 54 de-
gree of protection. For a higher de-
gree of protection, select a suitable
vent plug from the accessories listed
in section 7.
5
3 1
EB 8392 EN