Samson 3730-2 Mounting And Operating Instructions page 15

Type 3730-2 Positioner
Materials
Housing
External parts
Cable gland
Weight
Compliance
Options for Type 3730-2 Positioner
Solenoid valve · Approval according to IEC 61508/SIL
Input
Signal '0' (no response)
Signal '1' (response)
Service life
K coefficient
V
Analog position transmitter
Auxiliary power
Output signal
Operating direction
Operating range
Characteristic
Hysteresis
High-frequency influence
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
SJ2-S1N proximity switch
EB 8384-2 EN
The technical data for the explosion-protected devices may be restricted by the
limits specified in the test certificates.
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
Stainless steel 1.4571 and 1.4301
M20 x 1.5, black polyamide
Die-cast aluminum housing: approx. 1.0 kg
Stainless steel housing: approx. 2.2 kg
·
24 V DC · Reverse polarity protection · Static destruction limit 40 V
Current consumption I =
24 V/114 mW)
<12 V (emergency shutdown at 0 V)
> 19 V
>5 x 10 switching cycles
6
0.15
Two-wire transmitter
12 to 30 V DC · Reverse polarity protection · Static destruction limit 40 V
4 to 20 mA
Reversible
–10 to +114 %
Linear
Same as positioner
Same as positioner
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
Measuring plate not detected: ≤1 mA · Measuring plate detected: ≥3 mA
Design and principle of operation
U – 5.7 V
(corresponding to 4.8 mA at
3840 Ω
15