Samson 3730 Series Mounting And Operating Instructions page 28

Design and principle of operation
Options for Type 3730-3 Positioner
Other influences
Fault alarm
Inductive limit switch by Pepperl+Fuchs
For connection to switching amplifier according to EN 60947-5-6. Can be used in combination with a software limit
switch.
SJ2-SN proximity switch
External position sensor
Valve travel
Cable
Permissible ambient temperature
Immunity to vibration
Degree of protection
Leakage sensor · Suitable for operation in hazardous areas
Temperature range
Tightening torque
Binary input · Galvanically isolated · Switching behavior configured by software (e.g. TROVIS-VIEW, DTM)
Active switching behavior (default setting)
Connection
Electric data
Closed, R <
20 Ω
Contact
Open, R >
400 Ω
Passive switching behavior
Connection
Electric data
>6 V
Voltage
<1 V
Analog input x · Electrical isolation · Input for externally measured valve position
Input signal
Electric data
3-8
Same as positioner
Can be issued as current signal 2.4 ±0.1 mA or 21.6 ±0.1 mA
Measuring plate not detected: ≥3 mA · Measuring plate detected: ≤1 mA
Same as positioner
10 m · Flexible and durable · With M12x1 connector · Flame-retardant acc. to
VDE 0472
Resistant to oils, lubricants and coolants as well as other aggressive media
–40 to +90 °C with a fixed connection between positioner and position sensor ·
The limits in the test certificate additionally apply for explosion-protected versions.
Up to 10 g in the range of 10 to 2000 Hz
IP 67
–40 to +130 °C
20 ±5 Nm
For external switch (floating contact) or relay contact
Open-circuit voltage when contact is open: max. 10 V
Pulsed DC current reaching peak value of 100 mA and RMS value of 0.01 mA
when contact is closed
ON switching state (default setting)
OFF switching state (default setting)
For externally applied DC voltage, reverse polarity protection
3 to 30 V · Static destruction limit 40 V · Current consumption 3.7 mA at 24 V
ON switching state (default setting)
OFF switching state (default setting)
4 to 20 mA · Reverse polarity protection · Minimum span 6.4 mA
Load impedance at 20 mA: 6.0 V · Impedance at 20 mA: 300 Ω · Overload ca-
pacity: 24 V AC/DC
EB 8384-3 EN