Samson 3730-2 Mounting And Operating Instructions page 11

Transit time
Direction of action
Air consumption, steady
state
Air delivery
Actuator pressurized
Actuator vented
Permissible ambient
temperature
Influences
Electromagnetic
compatability
Explosion protection
Degree of protection
Communication (local)
Software requirements
Binary contacts
Signal status
No response:
Response:
Operating voltage
Solenoid valve
Input
Signal
Service life
Implementation in
safety-relevant systems in
compliance with
IEC 61508
Separately adjustable up to 240 seconds for supply air and exhaust air
Reversible
Independent from supply pressure approx. 110 l
At ∆p = 6 bar: ≥ 8.5 m
n
at ∆p = 6 bar: ≤ 14.0 m
–20 to +80 °C, with metal cable gland –40 to +80 °C
The limits specified in the EC Type Examination Certificate additionally apply for
explosion-protected devices.
Temperature: ≤ 0.15 %/10 K
Vibration: ≤ 0.25 % up to 2000 Hz and 4 g acc. to IEC 770
Complying with EN 61000-6-2, EN 61000-6-3 and NAMUR Recommendation NE 21
II 2 G EEx ia IIC T6 / II 2 D IP 65 T 80 °C or
II 3 G EEx nA II T6 / II 3 D IP 65 T 80 °C
IP 65
SAMSON SSP interface and serial interface adapter
TROVIS-VIEW with database module 3730-2
1 fault alarm contact,
2 software limit switches with configurable limit values, reverse polarity protection
Without explosion protection
Conductive (R = 348 Ω )
Non-conducting
Positioners with model no. ../9000 only for connection to
signal converter acc. to EN 60947-5-6.
All other versions also for connection to binary input of
the PLC acc. to EN 61131, P
SIL 4 approval acc. to IEC 61508
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
>2 x 107 switching cycles
Probability of failure on demand of safety functions PFD < 2.8 x 10
level of 95 %.
The safe failure fraction (SFF) according to Table A1 in IEC 61508-2 is greater or
equal to 0.99. The valves are therefore suitable for implementation in safety-related
systems with a hardware fault tolerance of 1 or 2 up to and including SIL 4.
Design and principle of operation
n
3 /h, at ∆p = 1.4 bar: 3.0 m
3 /h, at ∆p = 1.4 bar: 4.5 m
n
Supply air: None
= 400 mW
max
U − 5.6 V
(corresponding to 4.5 mA at 24 V)
4020W
/h
3 /h K = 0.09
n Vmax (20 °C)
3 /h K = 0.15
n Vmax (20 °C)
Ex.-protected version:
≥ 2.1 mA
≤ 1.2 mA
Only for connection to
signal converter acc. to
EN 60 957-5-6
-7 for a confidence
EB 8384-2 EN
11