Pb340_01d_oi_e.doc / Apr-16
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3.
Block Diagram and Terminal Assignment
1 2 3 4 5 6 7 8
ENTER
Potential
Separation
Power
10...30 V DC
RS485
Driver
DIL switch
BCD Data
3 4 5
2
1
6
Display
Processor and
Prof ibus controller
PB306, PB541
Power
Supply
5,0 V
3,3 V
PE
DC
DC
PB340, PB541
1M
2n5
DGND
Profibus
Power supply screw terminals, PROFIBUS connector and DIL switches for setup are located on
the backplane of the unit.
1 2 3 4 5 6 7 8
10...30 V DC
Power Supply
Profibus
PE
DIL-Switch
Sub-D 9 female
1
9
