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Technical Specifications
Basic circuit diagram
The basic circuit diagram of the basic module is shown below.
Connector assembly
Supply voltage
Electronic components/ sensors
1L+
1M
B
A
X01
X02
X03
Load voltage
monitor
2M
2L+
Load voltage
Figure 7-1
Basic circuit diagram of the BM 141 DI 8 x DC 24V basic module
7-4
ON
Internal power
supply
24 VDC
Short-circuit
protection
1L+
So. X1
BF
SF
Electronic
components
Electrical
Backplane bus
isolation
interface
Socket connections
(see Table 7-1)
So. X2
So. X3
So. X4
ET 200X Distributed I/O Device
EWA 4NEB 780601602-06
PROFIBUS-D
P connection
A
B
PROFIBUS
address
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