NSK MEGATORQUE M-ESB-YSB2020AB300 - Appendix 6: Wiring of RS-232 C Communication Cable

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Appendix 6: Wiring of RS-232C Communication Cable
Appendix 6: Wiring of RS-232C Communication Cable
l Wiring of the RS-232C communication cable shall conform to the specifications of a personal
computer connecting to the ESB Driver Unit.
u RTS control / CTS monitoring active (standard)
Figure A-25: When the RTS control and the CTS surveillance are active.
TXD
RXD
RTS
CTS
DSR
DTR
SG
FG
1TXD
3RXD
7RTS
2CTS
4DSR
5DTR
6SG
9FG
RS-232C terminal
ESB Driver Unit
CN1
u RTS control / CTS monitoring inactive
！
Caution : Since this connection applies to non-procedure communication, the
ESB Driver Unit may fail to read data if a large amount of data is
transmitted too quickly. Make sure that the Driver Unit echoes back, or
leave space between data transmission.
Figure A-26: Wiring of RS-232C: No flow control
TXD
RXD
RTS
CTS
DSR
DTR
SG
FG
1TXD
3RXD
7RTS
2CTS
4DSR
5DTR
6SG
9FG
RS-232C terminal
ESB Driver Unit
CN1