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

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

Block diagram of the 2DI 24 VDC Standard

Terminal assignment
4-wire
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
11-9