Samson Type 3766, Монтаж и эксплуатация

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Solenoid valve
Input Binary direct current signal
Nominal signal 6 V DC 12 V DC 24 V DC
Signal 0 (no pick-up) , DC signal at –25 °C
≤
1.2 V
≤
2.4 V
≤
4.7 V
Signal 1 (safe pick-up), DC signal at +80 °C ≥ 5.4 V ≥ 9.6 V ≥ 18 V
Max. permissible signal 28 V 25 V 32 V
Coil rsistance R at 20 °C 2909
Ω
5832
Ω
11714
Ω
Air consumption in steady state, K = 0.14 m /h In addition to that of the positioner: "Off" ≤ 60 l /h; "On" ≤ 10 l /h
Closing time for
For rated travel and
signal pressure
range
Type 3277 Actuator cm 120 240 350 700
0.2 to 1 bar
≤
0.5 s
≤
1 s
≤
1.5 s
≤
4 s
0.4 to 2 bar ≤ 2 s ≤ 2.5 s ≤ 8 s
0.6 to 3 bar
≤
1 s
≤
1.5 s
≤
5 s
Position transmitter
— Instrinsically safe output current circuit
Output signal Two-wire system 4 to 20 mA, reversible operating direction
Permissible load
U – 12 V
R = –––––––––
20 mA
Power supply Voltage range 12 to 45 V DC Only with intrinsically safe current circuit
Characteristic Output linear to input, deviation from characteristic
≤
1 %
Hysteresis ≤ 0.6 %
Response span
≤
0.1 %
Power supply influence
≤
1 % when voltage changes within the specified limits
HF influence ≤ 0.1 %, f = 150 MHz, 1 W transmitter power at a distance of 0.5 m
Load influence
≤
0.1 %
Permissible ambient temperature –20 to +70 °C –20 to ... See declaration of conformity
Ambient temperature influence ≤ 0.4 % on lower measuring range limit, ≤ 0.2 % on measuring span
Ripple of output signal
≤
0.3 %
Data refer to standard spring (15 mm travel with Type 3277 Actuator) and gain of 100
EB 8355-1 EN
9
Technical data