gefran AFE200 4 Series, Instruction Manual, Page: 41 / 214

AFE200 • Instruction Manual
41
5.3 Serial interface (XS connector)
XS
Function I/O Electr. interface
PIN 1 Internal use – –
PIN 2 Internal use – –
PIN 3 RxA/TxA I/O RS485
PIN 4 Equipotentiality (optional) – –
PIN 5
0V (Ground for 5 V)
–
Power supply
PIN 6
Internal use
–
–
PIN 7 RxB/TxB I/O RS 485
PIN 8 Internal use – –
PIN 9
+5 V
–
Power supply
I = Input
O = Output
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 para-
graph 5.2.1 .
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 !
1 2
3
4 5
9 8 7 6
TxA/RxA
TxB/RxB
PE
+5 V
XS
Reserved
RS485
EQP
Figura 5.3.1.1: Serial connection (not insulated
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.
Caution