Afe / Rs485 Port Point-To-Point Connection (With Insulation); Rs 485 Multi-Drop Connection - gefran AFE200 4 Series Instruction Manual

5.3.2 AFE / RS485 port point-to-point connection (with insulation)

To make the connection with galvanic isolation, the OPT-RS485-ADV optional
card is required.
The card is equipped with a 9-pin D-SUB male connector which must be inserted
in the XS connector of the AFE200.
Connect terminals 1, 2 and 4 to the serial line as shown in the figure below; for
the connection from the serial line to the PC, the adapters indicated in paragraph
5.3.1 must be used.
XS
Figure 5.3.2.1: OPT-RS485-ADV card

5.3.3 RS 485 multi-drop connection

For the multi-drop connection, the OPT-RS485-ADV optional card must be in-
stalled on each drive; the ends of the connection must have S1 termination switch
set to ON. The multi-drop connection is always galvanically insulated.
Up to 20 drives can be connected; the maximum length of the connection is 200
meters.
AFE200
OPT-RS485-ADV
S1=ON
1 2 3 4
EQP
B
A
Industrial PC,
PLC,
etc..
(with RS485)
Termination=ON
RS485
EQP
B
A
Industrial PC,
PLC,
etc..
(with RS485)
Termination=OFF
RS485
AFE200
OPT-RS485-ADV
S1=OFF
1 2 3 4
AFE200 • Instruction Manual
Terminal Name
1 TxA /RxA
2 TxB /RxB
3 Reserved
4 EQP (Equipotentiality)
Switch Function
S1 Closing of terminations
ADV200 ADV200-DC
OPT-RS485-ADV
S1=OFF S1=ON
1 2 3 4
ADV200 ADV200-DC
OPT-RS485-ADV
S1=OFF S1=ON
1 2 3 4
OPT-RS485-ADV
1 2 3 4
OPT-RS485-ADV
1 2 3 4
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