...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-e1-17_cj2h-cpu6_eip_cj2m-cpu.pdf

...口，可方便地连接条形码识别机等通用设备及PT、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 $0.. 34$ $+.$16ƾ...

https://www.fa.omron.com.cn/data_pdf/closed/mnu/w473-cn5-09_discon.pdf

... RS-422: SG Not used. 23 SDA, (–) RS-422: SDA, RS-485: (–) SDB, (+) RS-422: SDB, RS-485: (+) 24 RDA RS-422: RDA RDB RS-422: RDB 25 and 26 Not used. Not used. 27 CT0 Point 0 CT input ...

https://www.fa.omron.com.cn/data_pdf/closed/mnu/z042-e1-04_e5zd.pdf

...ode: 72 = Data Carrier missing) is returned. Point to Point (1:1) Communications Command Format RDA/H1XXXX∗ Header ASCII/HEX code specification A: ASCII code, JIS 8 code H: HEX code R/W Head ...

https://www.fa.omron.com.cn/data_pdf/closed/mnu/z087-e1-01_v630.pdf

...mand for details.) ASCII/hexadecimal code setting A: ASCII code, JIS 8 code H: Hexadecimal code RDA/H1XXXXXX∗ Header Processing area number setting Start address No. setting Read Response For...

https://www.fa.omron.com.cn/data_pdf/closed/mnu/z122-e1-01a_v600-ch1d.pdf

...l Name 1 FG Protective frame ground 2SDFor RS-232C 3RD 4 NC Not connected 5 RDB(+) For RS-422 6 RDA(-) 7SDB(+) 8SDA(-) 9 GND Signal ground Model Model No. Plug XM2A-0901 Hood XM2S-0911 1 2 3 ...

https://www.fa.omron.com.cn/data_pdf/closed/mnu/z144-e1-04_f160.pdf

...SD (TXD) RD (RXD) RS (RTS) CS (CTS) +5 V SG (GND) NT-AL001 NT-AL001 Signal SG (GND) SDB SDA RDB RDA Pin No. 23 45 6 Pin No. 23 45 6 Signal SG (GND) SDB SDA RDB RDA NT-AL001 on host s...

https://www.fa.omron.com.cn/data_pdf/closed/mnu/z155-e1-02_v530-r150e-3_r150ep-3.pdf

...Name 1 FG Protective frame ground 2 SD For RS-232C 3RD 4 NC Not connected 5 RDB(+) For RS-422 6 RDA(-) 7SDB(+) 8SDA(-) 9 GND Signal ground Model Model No. Plug XM2A-0901 Hood XM2S-0911 1 2 3 ...

https://www.fa.omron.com.cn/data_pdf/closed/mnu/z170-e1-02e_f160-2.pdf

...Connecting to the Host Device ■RS-422 Connection The +/−polarity designations for the SDA, SDB, RDA, and RDB signals are reversed on some devices. Always check the signal names of the connect...

https://www.fa.omron.com.cn/data_pdf/closed/mnu/z239-e1-04_v600-ca5d0_.pdf

...C1 123456 123456789 PWR NC SG PWR SD RD 123456 123 PWR NC SG PWR SD RD SD RD SG 789 10 11 12 SG RDA(-) SDA(-) NC RDB(+) SDB(+) 789 10 11 12 SG RDA(-) SDA(-) NC RDB(+) SDB(+) Computer...

https://www.fa.omron.com.cn/data_pdf/closed/mnu/z241-e1-03_s8m.pdf

...on the external device. 8(Not used) RS-422A 9 RDB (+) Enters data from the external device. 10 RDA () Enters data from the external device. 11 SDB (+) Outputs data from the controller. 12 S...

https://www.fa.omron.com.cn/data_pdf/closed/mnu/z376-e1-06_mx-z2000h.pdf

...on the external device. 8(Not used) RS-422A 9 RDB () Enters data from the external device. 10 RDA () Enters data from the external device. 11 SDB (Outputs data from the controller. 12 SD...

https://www.fa.omron.com.cn/data_pdf/closed/mnu/z377-e1-06_mx-z2000h.pdf