Analog Inputs 750-472, 474
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2
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2
Technical Data:
Item Number 750-
472
472/000-200
474
474/000-0200
Number of channels
2
Nominal voltage
24 V DC (-15% / +20%) via power jumper contacts
Overvoltage protection
24 V max.
Internal current
75 mA typ.
Input signal
0-20mA
4-20mA
Input current
< 38 mA at 24 V
Resistance
50
Ω
Input voltage
non-linear/overload protection: U=1,2 V DC+160
Ω
*I
mess
Resolution
internal 16 Bit, 15 Bit via fieldbus
Input filter
50 Hz
Noise rejection at sampling
frequency
< -100 dB
Noise rejection below
sampling frequency
< -40 dB
Transition frequency
13 Hz
Isolation
500 V system/power supply
Conversion time
80 ms typ.
Bit width per channel
16Bit: Data; optional 8Bit: Control/Status
Configuration
none, optional via software parameter
Operating temperature
0°C....+55°C
Wire connection
CAGE CLAMP; 0,08 to 2,5mm
2
Dimensions (mm)WxHxL
12 x 64* x 100 *from upper edge of the carrier rail