Electrical installation
ATTENTION!
Electrical wiring shall not be connected under voltage!
Connection of the electrical inputs and outputs (terminals)
Open the plug contact with a screwdriver.
Insert the cable.
Pull out the screwdriver. The cable is connected.
Connection of the field bus node (field bus cable)
As a general rule, use a 9-pole Sub-D connector.
NOTE
In the profibus DP field bus node, the matching part
(socket) is always present. In the first and last plugs
of a segment, a closing resistor of 220 ohm and two
terminating resistors of 390 ohm must be present.
The A line (RXD/TXD-P) is always earthed via one
terminating resistor, the B line (RxD/TxD-P) is always
connected to +5V via the other one. These resistors
must be provided in the plug (e.g. Phoenix Contact
SUNCON-PLUS-PROFIB, Art. no. 27 44 34 8).
Connection of the terminal for power supply
The power supply is provided via the contacts on the electrical modules.
Type 8644
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I
NSTALLATION
9-pole Sub-D Profi-
bus connector
IE 9