Samson 3730 Series Mounting And Operating Instructions page 13

Options for Type 3730-3 Positioner
Solenoid valve · Approval acc. to IEC 61508/SIL
Input
Signal
Service life
Implementation in safety-rel-
evant systems in compliance
with IEC 61508/SIL
Analog position transmitter
Supply voltage
Output signal
Direction of action
Operating range
Characteristic
Hysteresis and
HF influence
Other influences
Fault indication
Inductive limit switch
Type SJ 2SN Proximity
Switch
External position sensor
Travel
Cable
Permissible ambient
temperature
Vibration immunity
Degree of protection
24 V DC reverse polarity protection, static destruction limit 40 V;
Current consumption I =
Signal "0" no pick-up ≤ 15 V Signal "1" safe pick-up > 19 V
6
> 5 x 10 switching cycles
Same as positioner pneumatics
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
Can be issued with current signal 2.4 ±0.1 mA or 21.6 ±0.1 mA
For connection to switching amplifier acc. to EN 60947-5-6.
Can be used in combination with a software limit switch.
Same as positioner
10 m with M12x1 connector, designed for continuous flexing, flame retardant acc.
to VDE 0472, reistant to oils, lubricants, coolants as well as other corrosive media
–60 to +105 °C · Limits specified in the EC Type Examination Certificate additionally
apply for explosion-protected devices.
Up to 10 g in the range between 10 and 2000 Hz
IP 67
Design and principle of operation
−
U 5.6 V
(corresponding to 4.5 mA at 24 V)
Ω
4020
13
EB 8384-3 EN