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95
Wiring
Section 3-3
3-3
Wiring
3-3-1
Wiring Precautions
• Before connecting or disconnecting the communications cables, always
make sure that the PLC is turned OFF.
• Tighten the communications connector screws firmly with your fingers.
• Serial Communications Boards and Units can be connected to various
devices. For compatibility, refer to the operation manuals for the devices
to which they are to be connected.
3-3-2
Port Types
The following port types are provided on the Serial Communications Boards
and Units.
The following sections describe the connection methods used for each serial
communications mode of the Serial Communications Board and Unit ports.
3-3-3
Communications Modes and Ports
The following table shows the relationship between the communications ports
and the communications modes for the Serial Communications Boards and
Unit. Serial Communications Units provide only RS-232C ports.
Note
1.
The NT-AL001-E Link Adapter can be used to convert between RS-232C
and RS-422A/485 to enable 1:N communications.
2.
Use 4-wire connections between Link Adapters.
PLC Series
Unit type
Model
Port 1
Port 2
CS Series
Serial Communica-
tions Board
CS1W-
SCB21-V1
RS-232C
RS-232C
CS1W-
SCB41-V1
RS-232C
RS-422A/485
Serial Communica-
tions Unit
CS1W-
SCU21-V1
RS-232C
RS-232C
CS1W-
SCU31-V1
RS-422A/485
RS-422A/485
CJ Series
CJ1W-
SCU21-V1
RS-232C
RS-232C
CJ1W-
SCU31-V1
RS-422A/485
RS-422A/485
CJ1W-
SCU41-V1
RS-422A/485
RS-232C
Communications mode
RS-232C
RS-422A/485
1:1
1:N
(see note 1)
1:1 4-wire
1:N 4-wire
1:1 2-wire
1:N 2-wire
Host Link
YES
YES
(see note 2)
YES
YES
No
No
1:1 Host Link
YES
YES
(see note 2)
YES
No
No
No
Protocol macros
YES
YES
YES
YES
YES
YES
Serial Gateway
YES
YES
YES
YES
YES
YES
No-protocol
YES
YES
YES
YES
No
No
NT Link
YES
YES
YES
YES
YES
YES
Modbus-RTU slave
YES
YES
YES
YES
YES
YES
Содержание SYSMAC CJ1W-SCU21-V1
Страница 3: ...iv...
Страница 5: ...vi...
Страница 9: ...x...
Страница 15: ...xvi...
Страница 89: ...60 Basic Operating Procedure Section 1 9...
Страница 151: ...122 RS 232C and RS 422A 485 Wiring Section 3 4...
Страница 173: ...144 Host Link Function for Replacing Existing PLCs Section 4 6...
Страница 223: ...194 Enhanced Protocol Macro Functions Section 5 6...
Страница 277: ...248 Communications Frames Section 6 8...
Страница 291: ...262 Basic Operating Procedure in No protocol Mode Section 7 4...
Страница 301: ...272 Auxiliary Area and CIO Area Allocations Section 8 3...
Страница 391: ...362 Introduction Appendix A...
Страница 421: ...392 CompoWay F Master Protocol Appendix B...
Страница 513: ...484 E5 K Digital Controller Read Protocol Appendix F...
Страница 571: ...542 E5ZE Temperature Controller Write Protocol Appendix I...
Страница 587: ...558 E5 J Temperature Controller Protocol Appendix J...
Страница 627: ...598 ES100 Digital Controller Protocol Appendix K...
Страница 661: ...632 V500 V520 Bar Code Reader Protocol Appendix M...
Страница 697: ...668 3Z4L Laser Micrometer Protocol Appendix N...
Страница 717: ...688 Visual Inspection System Protocol Appendix O...
Страница 755: ...726 V600 V620 ID Controller Protocol Appendix P...
Страница 763: ...734 Hayes Modem AT Command Protocol Appendix Q...
Страница 767: ...738 Changing Communications Port Settings Using STUP 237 Appendix R...
Страница 781: ...752 Revision History...