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3/4
09/13
IL04012022Z
Terminal Block
RS485 (Half Duplex)
Serial
Operation Mode
S1
S2
S3
S4
RS422
4 Wire with handshaking
ON
ON
OFF
OFF
DIP
RS485
Full Duplex (4 wire)
ON
OFF
OFF
OFF
Half Duplex (2 wire) with Echo
OFF
OFF
OFF
ON
Half Duplex (2 wire) without Echo
OFF
OFF
ON
ON
Pin
Type
Description
1
Out/In
TxD- (= Transmit/Receive Data, negative polarity, A)
2
Out/In
TxD+ (= Transmit/Receive Data, positive polarity, B)
5
Ground
GND
6
Ground
GND (= Signal ground)
2
ON DIP
1
1
5
6
9
3 4
DIP S1 ... S4
Serial
2
1
5
6
3
4
Terminal Block
USB (Type B)
TxD-
TxD+
GND
1
TxD-
TxD+
GND
2
TxD-
TxD+
GND
n
TxD-
TxD+
GND
2
1
ON
S4
5
3 GND
4 TxD-
5 TxD+
OP-BUS
DC1, DA1
DX-COM-PCKIT
