Samson 3730-4 - Attachment to the Control Valve - Mounting Parts and Accessories

14 EB 8384-4 EN
Design and principle of operation
Type3730-4 Positioner with PROFIBUS-PA communication
The technical data for the explosion-protected devices may be restricted by the limits specied in the test
certicates.
Materials
Housing
Die-cast aluminum EN AC-AlSi12(Fe) (ENAC-44300) acc. to DINEN1706
Chromated and powder paint coated · Special version: stainless steel 1.4581
External parts Stainless steel 1.4404/316L
Cable gland M20x1.5, black polyamide
Weight Approx. 1.0kg · Special version in stainless steel: 2.2kg
Options for Type3730-4
Binary input BI2 for oating contact
Switching input
R < 100Ω · Contact load 100mA · Static destruction limit 20V/5.8mA · Galvanic
isolation
Solenoid valve · Approval acc. to IEC61508/SIL
Input
24VDC · Maximum 40V · Reverse polarity protection · Static destruction limit 40V
Power consumption:I =
U – 5.7V
(corresponding to 4.8mA at
24V/114mW)
3840Ω
Signal
Signal ‘0’ no pick-up < 12V · Signal ‘1’ safe pick-up > 19V
(emergency venting at 0V)
Service life > 5 x 10
6
switching cycles
K
V
coefcient 0.15
Inductive limit switch by
Pepperl+Fuchs
For connection to switching amplier acc. to EN60947-5-6
SJ2-SN proximity switch Measuring plate not detected: ≥3mA · Measuring plate detected: ≤1mA
External position sensor
Valve travel Same as positioner
Cable
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
Permissible ambient
temperature
–40 to +90°C with a xed connection between positioner and position sensor · The
limits in the test certicate additionally apply for explosion-protected versions.
Immunity to vibration Up to 10 g in the range of 10Hz to 2kHz
Degree of protection IP67