VACON CX Profibus user’s manual Page 9
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Vacon Oyj Phone +358-201-2121 Fax: +358-201-212 205
5. CONNECTIONS (CX202OPT)
(For the board layout and connections of the small Profibus DP board, Vacon CX210OPT, see
Appendix A)
5.1 Board layout
Terminals:
X1 I/O - terminals
X10 Digital Output terminal
X3 Digital Output terminal
X7 Relay Output terminal
X4 Thermistor input
X15 Encoder input selection
X5 Screw terminal to Profibus DP
X9 Connection of control I/O ground:
ON - Directly to the frame of the
device
OFF- To the frame of the
device via RC filter
X17 Connection of control Fieldbus
cable shield:
ON - Directly to the frame of the
device
OFF- To the frame of the
device via RC filter
Diagnostic LED:
H1 Data Exchange state for Profibus DP, Red. The red LED goes out when
communication is established
H1 led is active when Fieldbus board is not ready to exchange data
H3 Supply Voltage, Green.
H3 led is active if the Fieldbus board has supply voltage.
5.2 Profibus connections
Screw Connector connector X5: (Terminal resistors not included in the package)
Signal Connector X5
Description
Shield X5-241 Cable shield
VP X5-242 Supply voltage of the terminating resistance
RxD/TxD-P X5-243 Receive/Transmission data positive (B)
RxD/TxD-N X5-244 Receive/Transmission data negative (A)
DGND X5-245 Data Ground
Table 5-1. X5 screw connector terminals
Note! If Vacon is the last device then the bus termination must be set. Install the resistors to the screw
terminal (see table 5-1)
X1
H3
X5
X15
H1
X7
X4
X10
X3
Figure 5-1. Fieldbus board
390 Ω
220 Ω
390 Ω
Termination for
the last node
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