Serial Interface (Xs Connector); Afe / Rs 485 Port (Not Insulated) Point-To-Point Connection - gefran AFE200 4 Series Instruction Manual

5.3 Serial interface (XS connector)

The AFE200 is equipped as standard with a port (9-pin D-SUB connector: XS) for
connection of the RS485 serial line used for AFE/PC point-to-point communication
(through the GF-eXpress configuration software) or for multi-drop connection.
To access the connector, remove the lower cover as illustrated in shown in
graph

5.3.1 AFE / RS 485 Port (not insulated) point-to-point connection

The connection indicated is without galvanic insulation !
Le raccordement indiqué n'a pas d'isolation galvanique !
Caution
A twin-pair consisting of two symmetrical conductors, spiral wound with a common
shield plus the bonding connection cable, connected as shown in the figure, must
be used for connection. The transmission speed is 38.4 kBaud.
For connection of the RS485 serial line to the PC, see the figure below.
The Modbus or Jbus serial protocol can be selected in the Serial protocol param-
eter PAR 3804. For more details see the "1S9H63_Modbus_it-en.pdf" instruction
manual in the CD supplied with the product.
5.2.1.
Reserved
XS
5 4
9 8
EQP
Figura 5.3.1.1: Serial connection (not insulated
AFE200 • Instruction Manual
Function
PIN 1 Internal use
PIN 2 Internal use
PIN 3
RxA/TxA
PIN 4 Equipotentiality (optional)
0V (Ground for 5 V)
PIN 5
XS
PIN 6
PIN 7 RxB/TxB
PIN 8 Internal use
PIN 9 Internal use
TxA/RxA
TxB/RxB
PE
2 1
3
7 6
I/O Electr. interface
– –
– –
I/O RS485
– –
Power supply
–
+5 V – Power supply
I/O RS 485
– –
– –
I = Input
O = Output
+5 V
RS485
para-
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