WAGO I/O System 750 XTR
Device Description 29
750-471/040-000 4AI U/I Diff Galv XTR
Manual
Version 1.0.2
3.5.4
Inputs
Table 11: Technical Data – Inputs
Number of analog inputs
4 (electrically isolated)
Signal type
Voltages and currents
Signal characteristic
Differential
Measurement range
0 … 20 mA; 4 … 20 mA
3.6 … 21 mA NE43; ±20 mA
0 … 10 V; ±10 V; ±200 mV
Sensor connection
2-wire
Input impedance
AI (U) > 100 k
Ω
AI (I) < 120
Ω (typ. 113 Ω)
Resolution
16 bits (15 bits + sign bit)
Conversion time
≤
10 ms
Exception: The measuring range
"±200 mV" has a conversion time of
10 s. It is therefore only suitable for
inert systems.
Measurement error (25
°C)
≤ ±0.1 %
(≤ ±0.3
% at ±200 mV) of the
upper-
range value
Temperature error
≤ ±
0.
01 %/K
of the upper-range value
Analog input voltage
max.
31.2 VDC
Input filter
50 Hz / 60 Hz / Filter off
Diagnostics
•
Measurement range
underflow/overflow
•
Wire break in mode 4 … 20 mA
and 3,6 … 21 mA NE43
•
Overload in mode 0 … 20 mA,
4 … 20 mA, ± 20 mA, 3,6 … 21
mA NE43
3.5.5
Communication
Table 12:
Technical Data ‒ Communication
Data width
4 × 16-bit data
4 × 8-bit control/status (optional)
3.5.6
Connection Type
Table 13: Technical Data – Field Wiring
Connection technology
CAGE CLAMP
®
Conductor cross-section
0.25 mm² … 2.5 mm² / AWG 24 … 14
Strip length
8 mm … 9 mm / 0.33 in