![Omron SYSMAC CJ1W-SCU21-V1 Operation Manual Download Page 134](http://html1.mh-extra.com/html/omron/sysmac-cj1w-scu21-v1/sysmac-cj1w-scu21-v1_operation-manual_743586134.webp)
105
Wiring
Section 3-3
1:N, 4-wire Connections from RS-422A/485 to RS-422A/485 Ports
Communications Mode: 1:N NT Link
Note
1.
Serial Communications Board/Unit settings:
Terminating resistance ON, 4-wire.
2.
The terminating resistant setting shown above is an example for the
NT631/NT631C. The setting method varies with the PT. Refer to the man-
ual for you PT for details.
1:N, 2-wire Connections from RS-422A/485 to RS-422A/485 Ports
Communications Mode: 1:N NT Link
Note
1.
Serial Communications Board/Unit settings:
Terminating resistance ON, 2-wire.
Serial Communications
Board/Unit
Pin
Signal
Signal
Terminal block or D-sub
connector
RS-422A
/485 In-
terface
Hood
D-sub, 9-pin
connector (male)
Short bar
Terminal block or D-sub
connector
RS-422A
/485 In-
terface
RS-422A
/485 In-
terface
FG
FG
Signal
(See note 2.)
Serial Communications Board/Unit
Pin
Signal
Signal
Terminal block or D-sub connector
FG
Hood
D-sub, 9-pin
connector (male)
RS-422A
/485 In-
terface
Short bar
Signal
RS-422A
/485 In-
terface
Terminal block or D-sub connector
FG
RS-422A
/485 In-
terface
(See note 2.)
Summary of Contents for SYSMAC CJ1W-SCU21-V1
Page 3: ...iv...
Page 5: ...vi...
Page 9: ...x...
Page 15: ...xvi...
Page 89: ...60 Basic Operating Procedure Section 1 9...
Page 151: ...122 RS 232C and RS 422A 485 Wiring Section 3 4...
Page 173: ...144 Host Link Function for Replacing Existing PLCs Section 4 6...
Page 223: ...194 Enhanced Protocol Macro Functions Section 5 6...
Page 277: ...248 Communications Frames Section 6 8...
Page 291: ...262 Basic Operating Procedure in No protocol Mode Section 7 4...
Page 301: ...272 Auxiliary Area and CIO Area Allocations Section 8 3...
Page 391: ...362 Introduction Appendix A...
Page 421: ...392 CompoWay F Master Protocol Appendix B...
Page 513: ...484 E5 K Digital Controller Read Protocol Appendix F...
Page 571: ...542 E5ZE Temperature Controller Write Protocol Appendix I...
Page 587: ...558 E5 J Temperature Controller Protocol Appendix J...
Page 627: ...598 ES100 Digital Controller Protocol Appendix K...
Page 661: ...632 V500 V520 Bar Code Reader Protocol Appendix M...
Page 697: ...668 3Z4L Laser Micrometer Protocol Appendix N...
Page 717: ...688 Visual Inspection System Protocol Appendix O...
Page 755: ...726 V600 V620 ID Controller Protocol Appendix P...
Page 763: ...734 Hayes Modem AT Command Protocol Appendix Q...
Page 767: ...738 Changing Communications Port Settings Using STUP 237 Appendix R...
Page 781: ...752 Revision History...