24
Device Description
WAGO-I/O-SYSTEM 750
750-464 2/4 AI RTD configurable
Manual
Version 1.0.1
3.6.4
Inputs (RTD-variant 750-464)
Table 13: Technical data inputs (RTD-variant 750-464)
Number of inputs
2 or 4 (parametrizable)
Sensor types
Pt100 (IEC 751, default),
Ni100 (DIN 43760),
Pt1000 (IEC 751),
Pt500 (IEC 751),
Pt200 (IEC 751),
Ni1000 (DIN 43760),
Ni120 (Minco),
Ni1000 (TK 5000),
Potentiometer,
Measurement resistance 10
Ω … 5000 Ω,
Measurement resistance 10
Ω … 1200 Ω
Sensor connection
2-wire, 3-wire
Measuring current (typ.)
≤
350
μA per measuring circuit
Conversion time
≤
320 ms
Resolution
16 Bit
Absolute accuracy at 25°C
≤ ±0,2 % of the full scale value
typical
≤ ±0,1 % of the full scale value
Temperature coefficient
≤ ±20 ppm / K
typical
≤ ±15 ppm / K
3.6.5
Inputs (NTC-variants 750-464/020-000)
Table 14: Technical data inputs (NTC-variant 750-464/020-000)
Number of inputs
4
Sensor types
NTC 10 kΩ, (default),
NTC 20 kΩ,
NTC-
Thermokon 10 kΩ
Sensor connection
2-wire
Measuring current
≤
350 μA per measuring circuit
Conversion time
≤
320 ms
Resolution
16 Bit
Absolute accuracy at 25°C
≤ ±0,2 % of the full scale value
typical
≤ ±0,1 % of the full scale value
Temperature coefficient
≤ ±20 ppm / K
typical
≤ ±15 ppm / K
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