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PROFIBUS-DP Bus Adapter
5.1.3 Weight
The net weight of the PROFIBUS adapter is 120 g.
5.2 Adapter Terminal Configuration
Terminal
Terminal name
sign
GND
GND
NC
A
RS485 terminal A
B
RS485 terminal B
Tab. 5-1: X1 terminal configuration
If external power supply is used for the PROFIBUS adapter, switch
on the power for frequency converter first and then switch on the
power for adapter. Otherwise, correct communication cannot be es-
tablished.
Terminal
sign
+24 V
Power+
COM
Power-
Grounding terminal of signal cable
PE
shield
PG
Grounding terminal of bus adapter Grounding terminal
Tab. 5-2: X2 terminal configuration
Outline of the adapter bus connecting terminal DB9 is shown in
connection terminal PROFIBUS DB9" on page
tab. 5-3 "Definition of PROFIBUS DB9 pins" on page
Fig. 5-3: Bus connection terminal PROFIBUS DB9
DOK-RCON01-PROFIBUS***-IB04-EN-P
Frequency converter GND
–
Reserved
Data cable A communicates with frequency converter
Data cable B communicates with frequency converter
Terminal name
Function description
Function description
Adapter power supply (connected with frequency
converter +24 V or external power source+24 V)
Adapter power supply (connected with frequency
converter COM or external power source GND)
Refer to
chapter 5.5 "EMC Measures" on page 19
17. Definition of pins is stated in
18.
Bosch Rexroth AG
Electrical Installations
fig. 5-3 "Bus
17/35
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