Inputs; Figure 7: Current-Voltage Characteristic Of The Control Input Per; Table 11: Technical Data - Inputs - WAGO 750-439 Manual

WAGO-I/O-SYSTEM 750
750-439 8DI NAMUR Ex i
3.6.4

Inputs

Table 11: Technical Data – Inputs
Number of digital inputs
Signal type
Sensor connection
Input characteristic
Signal current (0) NAMUR
Signal current (1) NAMUR
Input filter
Open-circuit voltage U
Input resistance R
Input pulse length
Input pulse separation
Switching hysteresis (switching current
difference)
Short-circuit current
Short circuit monitoring
Wire break monitoring
Diagnostics
Figure 7: Current-voltage Characteristic of the Control Input per EN 60947-5-6
s
s
Version 1.3.0, valid from HW Version 03, SW Version 03
Device Description
8
NAMUR
2-wire
Switching amplifier per EN 60947-5-6
≤ 1.2 mA
≥ 2.1 mA
3.0 ms
8.2 V DC
1 kΩ
≥ 5 ms
≥ 3 ms
0.2 mA
≤ 8.2 mA (± 0.2 mA)
> 6.4 mA
< 0.3 mA
Short circuit, wire break
23
Manual