Samson 3730-3 - Connecting the Electrical Power

EB 8384-3 EN 85
Mounting and start-up
terminals31and32is24VDC.Takingthe
resistance of the supply leads into account,
the voltage at the position transmitter termi-
nals can be between at least 12 and
30VDCatthemaximum.
RefertoFig.33ortothelabelonthetermi-
nal block.
Malfunction due the current falling below
minimum current.
Do not allow the set point to fall below
3.8mA.
Accessories
Cable glands M20x1.5 Order no.
Black plastic
(6to12mmclampingrange) 8808-1011
Blue plastic
(6to12mmclampingrange) 8808-1012
Nickel-plated brass
(6to12mmclampingrange) 1890-4875
Nickel-plated brass
(10to14mmclampingrange) 1922-8395
Stainless steel 1.4305
(8to14.5mmclampingrange) 8808-0160
Adapter M20x1.5 to ½NPT Order no.
Powder-coated aluminum 0310-2149
Stainless steel 1400-7114
In positioners for attachment according to
VDI/VDE3847-1, the terminal designation
of the limit switches 41/42 and 51/52 as
well as the OPEN and CLOSED wording can
be changed by turning the terminal label
which is printed on both sides.
5.16.1 Connecting the electrical
power
Risk of malfunction due to incorrect sequence
of mounting, installation and start-up.
Keep the following sequence.
1. Remove the protective caps from the
pneumatic connections.
2. Mount the positioner on the valve.
3. Connect the supply air.
4. Connect the electrical power.
5. Perform settings.
Î Connect the electrical power (mA signal)
asshowninFig.33.
NOTICE
!
Note
NOTICE
!