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