22 Device Description
WAGO-I/O-SYSTEM 750
750-461 2AI Pt100/RTD
Manual
Version 1.4.1
3.6.4
Inputs
Table 11: Technical Data – Inputs (RTD Model 750-461)
Number of inputs
2
Sensor types
Basic version Pt100
Optional versions that can be
ordered for
Pt1000, Ni100, Ni1000 TK6180, Ni1000 TK5000,
resistance measurement.
Setting over
software WAGO-I/O-CHECK
or GSD file
Resistance sensors:
Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120,
Ni1000 TK6180
Resistance: 1,2 k
Ω
, 5 k
Ω
Sensor connection
3-wire connection (default),
2-wire connection
Temperature range
Pt
−200
–+850 °C
Ni100, Ni1000 TK6180
−60
°C … +250 °C
Ni1000 TK5000
−30
°C … +122 °C
Ni120
−80
°C … +320 °C
Measuring current
typ.
0.5 mA
Conversion time
320 ms (per channel)
for 750-461/000-006 960 ms (per channel)
Response delay
1)
max.
1)
Time between switching on or
connecting the sensor and first valid
measured value
4 s
For 750-461/000-006 12 s
Resolution
2)
2)
Over entire range
0.1 °C
Measuring error at 25 °C
< ±0.2 % of full scale value
Temperature coefficient
< ±0.01 %/K of full scale value
For 750-461/000-006 < ±0.001 %/K of full scale value
Differing technical data (inputs) for 750-461/020-000 model:
Table 12: Technical Data – Inputs for 750-461/020-000 Model
Sensor types
NTC 20 kOhm
Sensor connection
2-conductor connection
Temperature range
−30
°C … +130 °C
Measuring current
typ.
(at 25 °C) 0.05 mA
Measuring Errors
0.5 K … 3.0 K (as a function of temperature)
Temperature coefficient
< ±0.002 %/K of full scale value
Pos: 21.27 /Serie 750 (WAGO-I/O-SYSTEM)/Gerätebeschreibung (alte Struktur)/Technische Daten/Klimatische Umgebungsbedingungen/Technische Daten Klimat. Umgebungsbed. mit erw. Temp. -20...+60°C/-40...+85°C für /025 @ 5\mod_1247658089120_21.docx @ 37606 @ 3 @ 1
