
Connect Tech BlueStorm/Express User Manual
Revision 0.15
29
RS-422/485 Recommended Wiring
Type “A” RS-422/485 Wiring
This wiring scheme can be applied to the following Part Numbers:
BEG001, BEG002, BEG003, BEG004, BEG005, BEG006, BBG003, BFG001, BFG002
Type “B” RS-422/485 Wiring
This wiring scheme can be applied to the following Part Numbers:
BBG001, BCG001
RTS +
RTS -
CTS +
CTS -
TxD +
TxD -
RxD +
RxD -
RxD +
TxD +
RxD -
TxD -
RTS -
CTS -
RTS +
CTS +
SR
SR
BlueStorm/Express Opto
Adapter
RS-485/422
Peripheral
3
1
4
2
5
6
9
7
8
RS-422/485
2 Wire Diagram
RTS +
RTS -
CTS +
CTS -
TxD +
TxD -
RxD +
RxD -
RxD +
TxD +
RxD -
TxD -
RTS -
CTS -
RTS +
CTS +
SR
SR
BlueStorm/Express Opto
Adapter
RS-422/485
Peripheral
3
4
2
5
6
9
7
8
1
RS-422/485
4 Wire Diagram
RTS +
RTS -
CTS +
CTS -
TxD +
TxD -
RxD +
RxD -
RxD +
TxD +
RxD -
TxD -
RTS -
CTS -
RTS +
CTS +
SR
SR
BlueStorm/Express
Adapter
RS-422/485
Peripheral
2
1
3
4
5
6
7
8
9
RS-422/485
2 Wire Diagram
RTS +
RTS -
CTS +
CTS -
TxD +
TxD -
RxD +
RxD -
RxD +
TxD +
RxD -
TxD -
RTS -
CTS -
RTS +
CTS +
SR
SR
BlueStorm/Express
Adapter
RS-422/485
Peripheral
2
3
4
5
6
7
8
9
1
RS-422/485
4 Wire Diagram