Samson 3730-1 User Manual

EB 8384-1 EN 69
Mounting and start-up
5.14.1 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.26.
5.14.2 Switching amplier
according to EN 60947-
5-6
For operation of the limit contacts, switching
ampliersmustbeconnectedintheoutput
circuit. They must comply with the limit val-
ues of the output circuits conforming to
EN60947-5-6.
Î Observe the relevant regulations for in-
stallation in hazardous areas.
For applications in safe areas (non-hazard-
ous areas), limit contacts can be directly in-
terconnected to the binary input of the PLC in
accordancewithIEC61131.Thisappliesto
the standard operating range for digital in-
putsaccordingtoClause5.2.1.2of
IEC61131-2withtheratedvoltageof
24VDC.
NOTICE
!
+11 -12 +51 -52 +41 -42
(A2) (A1)
+45 -44
Explosion-protected version Connection for switching
ampliersaccordingtoEN60947-5-6
Version without explosion protection Connection to PLC
Binary input acc. to IEC 61131-2
Limit contacts
Inductive limit contact
mA control signal
Connection for switching
amplieracc.toEN60947-5-6
Option
Fig.26: Connecting the mA control signal

Samson 3730-1 Specifications

General

Supply air pressure	1.4 to 7 bar (20 to 100 psi)
Housing material	Aluminum
Protection class	IP 65
Output Signal	Pneumatic
Pressure Range	Up to 7 bar (100 psi)
Port Size	G1/4 or 1/4" NPT
Material	Aluminum
Accuracy	±1% of span