Samson 3730 Series Mounting And Operating Instructions page 24

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 specified in the test certifi-
cates.
Cable gland
Weight
Table 3-2: Optional additional functions
Options for Type 3730-4
Binary input BI2 for floating contact
Switching input
Solenoid valve · Approval acc. to IEC 61508/SIL
Input
Signal
Service life
K coefficient
V
Inductive limit switch by
Pepperl+Fuchs
SJ2-SN proximity switch
External position sensor
Valve travel
Cable
Permissible ambient tem-
perature
Immunity to vibration
Degree of protection
3-6
M20x1.5, black polyamide
Approx. 1.0 kg · Special version in stainless steel: 2.2 kg
R < 100 Ω · Contact load 100 mA · Static destruction limit 20 V/5.8 mA · Galvanic
isolation
24 V DC · Maximum 40 V · Reverse polarity protection · Static destruction limit 40 V
Power draw: I =
Signal '0' no pick-up <12 V · Signal '1' safe pick-up >19 V
(emergency venting at 0 V)
> 5 x 10 switching cycles
6
0.15
For connection to switching amplifier acc. to EN 60947-5-6
Measuring plate not detected: ≥3 mA · Measuring plate detected: ≤1 mA
Same as positioner
10 m · Flexible and durable · With M12x1 connector · Flame-retardant according 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 Hz to 2 kHz
IP 67
(corresponding to 4.8 mA at
U – 5.7 V
24 V/114 mW)
3840 Ω
EB 8384-4 EN