Digital Input Modules - Siemens SIMATIC S5-90U System Manual

S5-90U/S5-95U

15.5.1 Digital Input Modules

Digital Input Module 4×24 V DC
L+
1
M
F
2
3
.0
.4
4
5
.1
.5
6
7
.2
.6
8
9
.3
.7
10
4
DIGITAL INPUT
4 x 24 V DC
6ES5 420-8MA11
1 2 3 4 5 6
180 K
1 3 5
2 4 6
L+ M
X.0 X.1 X.2
EWA 4NEB 812 6115-02b
+9 V
GND
Data
7 9
8 10
X.3
Technical specifications
Number of inputs
Galvanic isolation
- in groups of
Input voltage L+
- rated value
- "0" signal
- "1" signal
Input current at "1"
signal typ.
Inherent delay
- from "0" to "1" typ.
- from "1" to "0" typ.
Length of cable
- unshielded max.
Rated insulation voltage**
(+9 V to )
- insulation group
Fault LED (red)
Connection of 2-wire
BERO proximity switches
- residual current
Current consumption
- from +9 V (CPU) typ.
Power loss of the
module typ.
Weight approx.
* Times depend on voltage
** Relevant only for isolated assembly in the
ET 100U/200 U
Module Spectrum
(6ES5 420-8MA11)
4
no
4
24 V DC
0 to 5 V
13 to 33 V
7 mA (at 24 V)
2.5 ms*
5 ms*
100 m (330 ft.)
12 V AC
1×B
no input
voltage L+
possible
1.5 mA
16 mA
0.8 W
205 g (7.2 oz.)
15-13