App - 35 App - 35
MELSEC-Q
APPENDIX
(3) When the RS (RTS) and CS (CTS) control signal lines as well as
the ER (DTR) and DR (DSR) control signal lines are looped back
on the communication module side
Communication
module
(Signal name)
RD(RXD)
SD(TXD)
ER(DTR)
SG
DR(DSR)
RS(RTS)
CS(CTS)
Connector
RS-232C
External
device
Connector
If either the RS (RTS) or the ER (DTR) control is disabled, data can be received
from the external device but data cannot be sent to the external device. In this
case, turn the RS (RTS) control signal ON using processing code 32 of the
ZCNTL instruction and disable the DR (DSR) control to send data to the external
device.
Содержание A1SD51S
Страница 183: ...11 13 11 13 MELSEC Q 11 INSTRUCTIONS AND FUNCTIONS RUN Before swap A 0 H924 A 1 H1159 After swap A 0 H1159 A 1 H924 OK...
Страница 331: ...11 161 11 161 MELSEC Q 11 INSTRUCTIONS AND FUNCTIONS REMARK See the CON ON OFF STOP and ZOPEN functions and Section 7 4...
Страница 557: ...11 387 11 387 MELSEC Q 11 INSTRUCTIONS AND FUNCTIONS REMARK See the CHR SPACE and SPC functions...
Страница 629: ...11 459 11 459 MELSEC Q 11 INSTRUCTIONS AND FUNCTIONS REMARK See the ZOPEN ZSEND and ZCNTL instructions and Section 7 3 4...
Страница 645: ...11 475 11 475 MELSEC Q 11 INSTRUCTIONS AND FUNCTIONS REMARK See the ZEVENT ZSIGNAL and DEF ZEVENT instructions...