... for the four-wire method.) (2) To prohibit echoback, set pin 5 to ON (with RS control). Signal RDA– RDB+ SDA– SDB+ FG SD RS CS RD ER DR SV SG FG SW.6 SW.5 SW.2 SW.3 SW.1 SDB(+) SDA(-) RDB(+)...

https://www.fa.omron.com.cn/data_pdf/closed/mnu/v091-e1-01_nt20.pdf

...terminator if necessary (see also NS-AL002's instruction sheet). SDB(-) SG SDA(-) 7 FG RSA(-) 8 RDA(-) 6 Connector RDB(+) 2 RDA(+) Terminal block SDB(+) 3 RDB(-) RSB(+) 4 RS-422A Ter...

https://www.fa.omron.com.cn/data_pdf/closed/mnu/v092-e1-13_ns_nsj_nsh.pdf

...各部分的规格 2-11 ●串行端口COM2连接器的针排列针编号信号名名称 1 FG功能接地 2 SG信号地 3未使用 4 RDA(-)接收数据 5未使用 6 RDB(+)接收数据 7未使用 8 SDA(-)发送数据 9未使用 10 SDB(+)发送数据 ●滑...

https://www.fa.omron.com.cn/data_pdf/closed/mnu/v096-cn5-01_np3_discon.pdf

...1 2 3 4 5 6 7 8 Signal + − FG +SD −SD +RD −RD E Signal 1 2 6 8 Shell Pin SDA SDB RDA RDB FG PLC XM2S-09 PT 75 Wiring the Power Supply and Serial Communications Section 4-4 RS-485 Connections ...

https://www.fa.omron.com.cn/data_pdf/closed/mnu/v103-e1-10_nv3w_nv4w_nv3q_setup.pdf

...ance) Pin No. Signal To power supply Pin No. Signal 1 + - +SD -SD FG 23456 +RD -RD 7 8 12345 SG RDA(-) SDB(+) SDA(-) RDB(+) PT KV-L20R/V Terminator setting (built- in 120Ωresistance) Pin No. ...

https://www.fa.omron.com.cn/data_pdf/closed/mnu/v105-e1-03_nv3w_nv4w_nv3q.pdf

...RS(RTS) O发送请求 *1 -- 5 CS(CTS) I清除发送 *1 -- 6 RDB+ I/O - RS485B 收发数据接收数据 （＋） 7 SDA- I/O - -发送数据 8 RDA- I/O - RS485A 收发数据（-） 接收数据 （－） 9SG -信号地 1各部分的名...

https://www.fa.omron.com.cn/data_pdf/closed/mnu/v107-cn5-18_discon.pdf

...- - 6 RDB+ I/O - RS485B Send/Receive data(+) Receiving data(+) 7 SDA- I/O - - Sending data(-) 8 RDA- I/O - RS485A Send/Receive data(-) Receiving data(-) 9 SG - Signal ground 1 Part Names and ...

https://www.fa.omron.com.cn/data_pdf/closed/mnu/v107-e1-20_nb3q_nb5q_nb7w_nb10w.pdf

...脚是空脚，不支持RS和CS功能。 5 CS(CTS) I清除发送 *1 6 RDB+ I/O RS485B 收发数据（＋） 接收数据（＋） 7 SDA- I/O发送数据（－） 8 RDA- I/O RS485A 收发数据（-） 接收数据（－） 9SG -信号地 1 NB系...

https://www.fa.omron.com.cn/data_pdf/closed/mnu/v108-cn5-21_discon.pdf

...l resistor 6 RDB+ I/O - Send/Receive data(+) Receiving data(+) 7 SDA- I/O - - Sending data(-) 8 RDA- I/O - Send/Receive data(-) Receiving data(-) 9 SG - Signal ground 2-1 2 NB-series Programm...

https://www.fa.omron.com.cn/data_pdf/closed/mnu/v108-e1-22_nb3q_nb5q_nb7w_nb10w.pdf

...RTS) O发送请求* -- 5 CS(CTS) I清除发送* -- 6 RDB+ I/O - RS485B 收发数据 （＋） 接收数据 （＋） 7SDA- I/O- -发送数据 （－） 8 RDA- I/O - RS485A 收发数据 （－） 接收数据 （－） 9SG -信号地 1 - ...

https://www.fa.omron.com.cn/data_pdf/closed/mnu/v109-cn5-13_discon.pdf

...- - 6 RDB+ I/O - RS485B Send/Receive data(+) Receiving data(+) 7 SDA- I/O - - Sending data(-) 8 RDA- I/O - RS485A Send/Receive data(-) Receiving data(-) 9 SG - Signal ground 1-9 1 NB Overview...

https://www.fa.omron.com.cn/data_pdf/closed/mnu/v109-e1-15_nb3q_nb5q_nb7w_nb10w.pdf

...ponent with RS-422A/485 communications (4-wire) 3G2A9-AL001 Note 1. Some devices have SDA, SDB, RDA, and RDB as well as the signal polari- ties in the opposite position. Check the polarity be...

https://www.fa.omron.com.cn/data_pdf/closed/mnu/v203-e1-03_itnc-eis_eix.pdf

...ables Section 3-6 1:N Connections Using RS422A Ports (COM4) Note 1. Some devices have SDA, SDB, RDA, and RDB as well as the signal po- larities in the opposite position. Check the polarity be...

https://www.fa.omron.com.cn/data_pdf/closed/mnu/v228-e1-02_itnc-epx-drm.pdf

...tion Resistance Switch 2. Connector 3. RS-422 port RS-422 Port Pin Allocation FG SG SDB SDA RDB RDA 1, 2, 3... 1. Termination Resistance Switch Set the termination resistance switch to“ON”(up...

https://www.fa.omron.com.cn/data_pdf/closed/mnu/w317-e1-11_cpm1a.pdf

.... •Confirm polarities before connecting RS-422A/485 cables. Some devices require that SDA/B and RDA/B or signal polarities be reversed. •Double-check all wiring and switch settings before tur...

https://www.fa.omron.com.cn/data_pdf/closed/mnu/w365-e1-02_cqm1h-scb41.pdf

...线其它 C系列上位机链接单元 3G2A5-LK201-E C200H-LK202 3G2A6-LK202-E 31脚线改接如下所示： SDA: 9脚到1脚 SDB: 5脚到2脚 RDA: 6脚到6脚 RDB: 1脚到8脚 SG: 3脚不连接 FG: 7脚连接器外壳只要通信的设置相...

https://www.fa.omron.com.cn/data_pdf/closed/mnu/w394-c1-07_cj_cs_discon.pdf

...ty when connecting the RS-422/485. Some devices may have reverse polarity (+/–) for SDA/SDB and RDA/RDB. •When using the RS-422/485, operate only after confirming that terminat- ing resistanc...

https://www.fa.omron.com.cn/data_pdf/closed/mnu/w400-01_cj1w-cif21.pdf

...或连线 •连接或分断连接器 •使用操作手册中指定的通信电缆。 •在连接RS-422/485时要反复检查极性，某些设备的SDA/SDB和RDA/ RDB的极性(+/–)可能相反。 •在使用RS-422/485时，必须确认终端电阻已正确设置后...

https://www.fa.omron.com.cn/data_pdf/closed/mnu/w400-c1-01_cj1w-cif21_discon.pdf

...地连接条形码识别机等通用设备及可编程终端、CJ/CP系列PLC及变频器等其它设备。 可加装串行选件卡(仅限CJ2M-CPU3@) $0.. RDA- RDB+ SDA- SDB+ FG $0.. RDA- RDB+ SDA- SDB+ FG $0.. 34$ $+.$16@ $...

https://www.fa.omron.com.cn/data_pdf/closed/mnu/w472-cn5-09_discon.pdf

...the CP1W-CIF12 and CP1W-CIF12-V1 Option Boards. Add a Serial Option Board (CJ2M-CPU3Only) COMM RDA- RDB+ SDA- SDB+ FG COMM RDA- RDB+ SDA- SDB+ FG COMM RS-232C CJ2M-CPU3@ CP1W-CIF01 ...

https://www.fa.omron.com.cn/data_pdf/closed/mnu/w472-e1-16_cj2h-cpu6_eip_cj2m-cpu.pdf