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EX-1339HMVS
3. Layout and Connections
3.2 Connections
+7V ~ 24V T-Block:
GND (Ground)
+7V ~ 24V
USB A-Port:
USB B-Port:
Terminal Block
RS-232/422/485:
1
7
ATTENTION!!!
Never connect power to GND it will destroy your Hardware!!!
USB 2.0 A-Port
Pin
Signal
1
VCC
2
DATA-
USB 2.0 B-Port
Pin
Signal
1
VCC
2
DATA-
Pin
Signal
1
TX+ (DATA+)
2
TX- (DATA-)
3
RX+
4
RX-
5
GND
6
RXD
7
TXD
Pin
3
4
Pin
3
4
Support Modes
RS485 2-wire, RS485 4-wire, RS422
RS485 2-wire, RS485 4-wire, RS422
RS485 4-wire, RS422
RS485 4-wire, RS422
RS485 2-wire, RS485 4-wire, RS422 und RS232
13
English
Signal
DATA+
GND
Signal
DATA+
GND
RS232
RS232
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