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114
RS-232C and RS-422A/485 Wiring
Section 3-4
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.
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.
3-3-12 Connections in Loopback Test
Connect the communications ports as shown below.
3-4
RS-232C and RS-422A/485 Wiring
3-4-1
Recommended RS-232C Wiring Examples
It is recommended that RS-232C cables be connected as described below
especially when the Serial Communications Board or Unit is used in an envi-
ronment where it is likely to be subject to electrical noise.
1,2,3...
1.
Always use shielded twisted-pair cables as communications cables.
Serial Communications
Board/Unit
Pin
Signal
Signal
PT
Terminal block
FG
Hood
D-sub, 9-pin
connector (male)
RS-422A
/485 In
terface
Short bar
Signal
PT
Terminal block
FG
RS-422A
/485 In-
terface
-
(See note 2.)
RS-422A/
485 Inter-
face
RS-422A/485 port
Pin
Signal
Pin
Signal
SD
RD
RTS
CTS
FG
DTR
DSR
RS-232C port
Model
Manufacturer
UL2464 AWG28x5P IFS-RVV-SB (UL product)
AWG28x5P IFVV-SB (non-UL product)
Fujikura Ltd.
UL2464-SB (MA) 5Px28AWG (7/0.127) (UL product) CO-
MA-VV-SB 5Px28AWG (7/0.127) (non-UL product)
Hitachi Cable, Ltd.
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...