Samson 4749, Монтаж и эксплуатация

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3-2 EB 4749 EN
Design and principle of operation
3.2 Technical data
Type 4749 Position Transmitter
Measuring range
Measurement method Magnetoresistive measuring system
Measured travel for Direct attachment to Type 3277: 3.6 to 30 mm
Attachment according to IEC 60534-6 (NAMUR): 5 to 300 mm
Attachment according to VDI/VDE 3847: 5 to 300 mm
Attachment to rotary actuators: 24 to 100°
Power supply
Input voltage 12 to 36 V DC
Output 4 to 20 mA · Two-wire device, reverse polarity protection
Residual current ≤3.6 mA
Permissible load R
B
in Ω R
B
= (U
B
– 12 V)/0.020 A
Static destruction limit 38 V DC, 30 V AC
Power consumption <0.2 W
Measuring accuracy
Reference conditions Calibrated with U = 24 V DC, T
U
= 20 °C
Zero error <0.1 % according to DIN EN 60770
Hysteresis ≤0.1 % according to DIN EN 60770
Nonlinearity <0.3 % according to DIN EN 60770
Effect of supply voltage on
zero and span
<0.05 % according to DIN EN 60770
Effect of ambient tempera-
ture on zero and span
<0.1 %/10 K according to DIN EN 60770
Long-term stability <0.1 % according to DIN EN 60770
Start-up time 1200 ms
Output rate 1 ms