Block Diagram Of The 2Di 24 Vdc High Feature - Siemens SIMATIC ET 200S Manual

Table 11-7 Terminal assignment of the 2DI 24 VDC High Feature, continued
View
CH0
DI
0
1
VDC
2
M
3
n. c.
4
A
AUX1
4
A
AUX1
3
Block diagram
P1
P2
Figure 11-6
ET 200S Distributed I/O System
EWA-4NEB 780602402-12
TM-E15S26-A1 and 2DI 24 VDC High Feature
CH1
2-wire
DI
1
5
VDC
6
M
7
n. c.
8
A
AUX1
8
AUX1 must be
A
AUX1
occupied with 4 wires at
7
PE.
ET 200S
backplane
bus
circuit
1M
L+

Block diagram of the 2DI 24 VDC High Feature

Terminal assignment
3-wire 4-wire
Short-circuit
protection
Polarity reversal
protection
Digital Electronic Modules
Remarks
Channel 0: Terminals 1 to
A3
Channel 1: Terminals 5 to
A7
DI: Input signal
24 VDC: Sensor supply
M : Chassis ground
Terminals 4 and 8 can be
used for connection of
cables that are not required
up to 30 VDC.
Input
1
electronics
Input
5
electronics
3
7
2
6
11-21