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118
RS-232C and RS-422A/485 Wiring
Section 3-4
4.
Be sure to turn ON the terminating resistance at the last Unit at the end of
the RS-422A/485 cable.
3-4-3
Wiring Connectors
Use the following steps to wire connectors.
Cable Preparation
See the following diagrams for the length of the cable portion to be cut in each
step.
Shield Connected to Hood (FG)
1,2,3...
1.
Cut the cable to the required length.
2.
Remove the specified length of the sheath from the cable using a knife. Be
careful not to scratch the braided shield.
3.
Trim off the braided shield using scissors so that the remaining shield
length is 10 mm.
4.
Remove the insulation from each conductor using a stripper so that the ex-
posed conductor length is 5 mm.
POWER
PA205R
DC24V
AC240V
OUTPUT
RUN
INPUT
AC100-240V
L2/N
L1
CONTROLLER
CJ1G-CPU44
SYSMAC
PROGRAMMABLE
ERR/ALM
RUN
COMM
INH
PRPHL
OPEN
PERIFHERAL
BUSY
MCPWR
PORT
2
ON
4
TERM
ERC
RUN
RD2
SCU41
RD1 TER1
SD2
RDY
NO.
UNIT
ERH
SD1
PORT1
(RS422
/485)
OFF
WIRE
PORT2
0
12
34567
8
9A
BC
DE
F
GR
SYSMAC
CS1G
PROGRAMABLE CONTROLLER
CPU42
OPEN
OPEN
PERIPHERAL
PORT (RS-232C)
BUSY
RUN
ERR/ALM
INH
PRPHL/COMN
MCPWR
GR
POWER
PA204S
L2/N
L1
AC100V-120V/
AC2100-240V/
INPUT
DC24V/0.8A
OUTPUT
100-200
CLOSE
200-240
OPEN
SCU21
PORT1
PORT2
RUN
ERC
SD1
RD1
RDY
ERH
SD2
RD2
E
F 0 1
2
Serial Communications Board/Unit
Power Supply Unit
Hood and GR are
internally connected.
Ground to 100
Ω
or less
Grounding the GR terminal
grounds the Hood (FG).
CS-series PLC
CJ-series PLC
Power Supply Unit
Serial
Communications Unit
Hood and GR are
internally
connected.
Grounding the GR
terminal grounds
the Hood (FG).
Ground to
100
Ω
or less.
25 mm (RS-422A)
40 mm (RS-232C)
10 mm
5 mm
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...