![background image](http://html1.mh-extra.com/html/omron/sysmac-cj1w-scu21-v1/sysmac-cj1w-scu21-v1_operation-manual_743586034.webp)
5
Overview
Section 1-2
CJ Series
Connectable Devices
The following serial communications modes are supported by the Serial Com-
munications Boards: Host Link (SYSMAC WAY) (see note 1), protocol macro,
1:N NT Link (see note 2), no-protocol (see note 1), Modbus-RTU slave (see
note 3), and loopback test modes. The devices shown in the following diagram
can be connected.
CS1W-SCU21-V1
(Two RS-232C ports)
CS1W-SCU31-V1
(Two RS-422A/485 ports)
RS-232C port
RS-232C port
RS-422A/485 port
RS-422A/485 port
CJ1W-SCU21-V1
(Two RS-232C ports)
CJ1W-SCU41-V1
(One RS-232C and One RS-
422A/485 Port)
CJ1W-SCU31-V1
(Two RS-422A/485 ports)
PA205R
POWER
INPUT
AC100-240V
L2/N
L1
DC24V
AC240V
OUTPUT
RUN
PERIPHERAL
ERR/ALM
RUN
INH
COMM
PRPHL
CONTROLLER
CJ1G-CPU44
SYSMAC
PROGRAMMABLE
PORT
OPEN
BUSY
MCPWR
2
ON
4
TERM
RD2
SD2
RDY
NO.
UNIT
ERH
OFF
WIRE
01
23
4567
8
9A
BCD
EF
ERC
RUN
SCU41
RD1
TER1
SD1
PORT1
(RS422
/485)
PORT2
Serial Communications Unit
RS-232C port
RS-232C port
RS-422A/485 port
RS-232C port
RS-422A/485 port
RS-422A/485 port
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...