WAGO-I/O-SYSTEM 750
Device Description 25
750-496 8AI 0/4-20mA S.E.
Manual
Version
1.2.2
3.6.4
Inputs
Table 12: Technical Data – Inputs
Number of inputs
8
Connection types
Single-ended
Sensor connection
2-conductor connection
Signal current
(configurable)
0 … +20 mA
+4 … +20 mA
+3.6 … +21 mA
Input resistance
typ.
≤ 200 Ω
Configurable
software input filter
Bessel filter 2nd order f
G
= 25 Hz
Dielectric strength
max.
31.2 VDC
Resolution of the A/D converter
14 bits
Conversion method
SAR
(Successive Approximation Register)
Conversion time
typ.
(without filter)
per channel
≤ 1.25 ms
per module
≤ 10 ms
Resolution of measured value
12 bits + 1 bit sign
Measuring error at 25 °C
< ±0.1% of full scale value
Temperature coefficient
< ±0.01% /K of full scale value
Diagnostics
Measurement range underflow
Measurement range overflow
Short circuit
General error
Wire break
(sensor type 4 … 20 mA and
3.6 … 21 mA only)
Signaling with diagnostics
Process image
Status byte
LED
3.6.5
Connection Type
Table 13: Technical Data ‒ Field Wiring
Wire connection
Push-in CAGE CLAMP
®
Cross section, solid wire
0.08 mm² … 1.5 mm² / AWG 28 … 16
Cross section, fine-stranded wire
0.25 mm² … 1.5 mm² / AWG 22 … 16
Stripped lengths
8 mm … 9 mm / 0.33 in
Table 14: Technical Data – Power Jumper Contacts
Power jumper contacts
Blade/spring contact, self-cleaning