Technical data

Analog Inputs 750-472, 474
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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+160Ω*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