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4.2.3
ELECTRICAL CONNECTIONS
Fig. 05
shows the device electrical connections:
Fig. 05
–
NP785
electrical connections
Electrical Connection
Input
Output
1
ALARM
2
OUT (Retransmission)
3
GND
Power Supply
4
NC
5
POWER
6
GND
RS485
7
D1 (D)
8
D0 ( )
9
GND
Table 02
– Electrical connections
4.2.4
USB CONNECTION
The USB connection is used exclusively for the device diagnosis and configuration. The USB interface is on the
NP785 Ultra Low Differential
Pressure Transmitter
side.
It is recommended that the device be configured before it is attached to the DIN rail.
For more information, check the
chapter.
Fig. 06
– USB Cable connection
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