WAGO 750-425, Manual

Page: 9 / 12

750-425 [2 DI DC 24 V 3.0 ms NAMUR] • 9
Schematic Diagram
WAGO-I/O-SYSTEM 750
I/O Modules
2.1.1.4 Schematic Diagram
DI
0V
24V
U
V
Error
Eval-
uation
DI 1
DI 2
24V
0V
U 1
V
U 2
V
Sensor
supply
Status
1
2
3
4
5
6
7
8
750-425
270 pF
10 nF
270 pF
Fig. 2.1.1-3: 2-Channel Digital Input Module 750-425
g042501e
2.1.1.5 Technical Data
Module Specific Data
Number of inputs 2
Current consumption
typ.
(internal) 5 mA
Nominal voltage DC 24 V (-15 % ... +20 %)
Sensor supply U
V
DC 8.2 V
Signal voltage (0) ≤ 1.2 mA
Signal voltage (1) ≥ 2.1 mA
Input filter 3.0 ms
Switching hysteresis 0.2 mA
Open-circuit voltage DC 8.2 V
Input resistance 1 k Ω
Input pulse duration ≥ 5 ms
Input pulse separation ≥ 3 ms
Short-circuit current ≤ 8.2 mA
Short-circuit detection > 6.5 mA
Open-circuit detection < 0.2 mA
Isolation 500 V (System / Field)
Internal bit width 4 Bit In
(2 Bit Data, 2 Bit Error (short circuit / broken wire))
Dimensions (mm) W x H x L 12 x 64* x 100
* from upper edge of 35 DIN rail
Weight ca. 50 g