WAGO-I/O-SYSTEM 750 XTR
Device Description
25
750-486/040-000 4AI 0/4-20mA NE43 Ex i XTR
Manual
Version 1.0.0
3.6.3
Inputs
Table 10: Technical Data – Inputs
Number of inputs
4
Signal type (switchable)
0 … +20 mA
+4 … +20 mA
+3.6 … +21 mA (NE43)
Signal characteristic
Single-ended
Sensor connection
2-wire connection, 3-wire connection
Input resistance
< 200
Ω
Resolution
12 bits + sign bit
Crosstalk attenuation
≥ 70 dB
Conversion time
typ.
(without filter)
per channel
≤ 1.25 ms
per module
≤ 10 ms
Measurement/output error (25 °C)
< ±0.1 % from the largest
measurement/output area
Temperature coefficient
< ±0.01 %/K of the largest
measurement/output area
Configurable
software input filter
Bessel filter 2
nd
order f
G
= 25 Hz
Resolution of the A/D converter
14 bits
Conversion method
SAR
(Successive Approximation Register)
Diagnostics
Measurement range underflow
Measurement range overflow
Short circuit
General error
Wire break (for sensor types
4 … 20 mA, 3.6 … 21 mA)
Signaling with diagnostics
Process image
Status byte
LED