P+F閥位傳感器結構
Reduction factor r304 0.85
Nominal ratings
Operating voltage
10 ... 30 V
Switching frequency
此類傳感器可直接牢固地安裝到執(zhí)行器上,易更換,
reverse polarity protected
Short-circuit protection pulsing
Voltage drop ≤ 3 V
Operating current
0 ... 100 mA
Reduction factor rCu 0.4
大多數應用中此類儀表都是以閥門軸的90°旋轉來給控制系統(tǒng)回饋信號。
Installation flush
0 ... 3000 Hz
Hysteresis
5 ... 20 %
Reverse polarity protection
閥位傳感器在很多過程控制工業(yè)現場流量儀表產品常常會被應用,
Off-state current
0 ... 0.1 mA typ. 0.1 µA at 25 °C
No-load supply current ≤ 12 mA
Switching state indicator LED, yellow
Functional safety related parameters
MTTFd 2140 a
Mission Time (TM) 20 a
Diagnostic Coverage (DC) 0 %
非常緊湊。同時其標準化外形能有效保護,為控制閥和開關提供端子連接。
Rated operating distance 0.8 mm
Output polarity DC
Assured operating distance
0 ... 0.648 mm
Reduction factor rAl 0.45
閥位回訊傳感器有符合VDI/VDE 3845的標準外殼和開放式兩種。
P+F閥位傳感器結構