66
Component Names and Functions
Section 2-1
2-1-2
CS-series Serial Communications Unit
Indicators
CS1W-SCU21-V1
Indicators
Port 1
RS-232C
Unit number
switch
Port 2
RS-232C
SCU21-V1
RUN
ERC
SD1
RD1
RDY
ERH
SD2
RD2
PORT1
PORT2
UNIT
No.
FEDC
BA987
654
3210
SCU31-V1
RUN
ERC
SD1
RD1
TER1
RDY
ERH
SD2
RD2
TER2
UNIT
No.
FEDC
BA987
654
3210
WIRE 2
TERM OFF
ON
4
4
ON
PORT1
(RS422
/485)
WIRE 2
TERM OFF
PORT2
(RS422
/485)
CS1W-SCU31-V1
Terminating resistance switch
(for port 1)
2-wire or 4-wire switch
(for port 1)
Port 1
RS-422A/485
Terminating resistance switch
(for port 2)
2-wire or 4-wire switch
(for port 2)
Port 2
RS-422A/485
Indicator
Color
Status
Meaning
RUN
Green
Lit
Operating normally
Not lit
Unit hardware error.
RDY
Green
Lit
Protocol macro preparations have been com-
pleted.
Flashing
Protocol macros are being prepared. (see note
1)
Not lit
Hardware error in Serial Communications Unit.
ERH
Red
Lit
CPU Unit error, or this Unit has not been regis-
tered in the I/O table. Routing tables incor-
rectly registered in the Unit.
Flashing
System Setup error (see note 2)
Not lit
CPU Unit is operating normally and the Setup
Area settings are normal.
ERC
Red
Lit
Unit hardware error, or loopback test error
Flashing
Protocol data syntax error or protocol data
error (SUM error).
Not lit
Unit is operating normally.
SD1
Yellow
Lit
Port 1 is being used for sending.
Not lit
Port 1 is not being used for sending.
RD1
Yellow
Lit
Port 1 is being used for receiving.
Not lit
Port 1 is not being used for receiving.
TER1 (see
note 3)
Yellow
Lit
Terminating resistance is connected internally
for port 1.
Not lit
Terminating resistance is not connected inter-
nally for port 1.
SD2
Yellow
Lit
Port 2 is being used for sending.
Not lit
Port 2 is not being used for sending.
RD2
Yellow
Lit
Port 2 is being used for sending.
Not lit
Port 2 is not being used for sending.
TER2 (see
note 3)
Yellow
Lit
Terminating resistance is connected internally
for port 2.
Not lit
Terminating resistance is not connected inter-
nally for port 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...