Cj-Series Serial Communications Unit - Omron SYSMAC CS1W-SCB41-V1 Operation Manual

Component Names and Functions
2-1-3

CJ-series Serial Communications Unit

CJ1W-SCU21-V1
SCU21-V1
RUN ERC SD1
RDY ERH SD2
CJ1W-SCU31-V1
SCU31-V1
RUN ERC SD1
RDY ERH SD2
TERM
OFF ON
WIRE
2 4
Indicators
RD1
Indicators
RD2
UNIT
NO.
Unit number switch
PORT1
Port 1: RS-232C
PORT2
Port 2: RS-232C
RD1 TER1
Indicators
RD2 TER2
Terminating resistance
UNIT
switch (for port 1)
NO.
Unit number switch
PORT1
(RS422
2-wire/4-wire switch
/485)
(for port 1)
Port 1: RS-422A/485
PORT2
(RS422
/485)
Port 2: RS-422A/485
TERM
OFF ON
WIRE
2 4
Indicator Color
RUN Green
RDY Green
ERH Red
CJ1W-SCU41-V1
SCU41-V1
RUN ERC SD1 RD1 TER1
Indicators
RDY ERH SD2 RD2
Terminating resistance switch
TERM
UNIT
OFF ON
NO.
WIRE
Unit number switch
2 4
2-wire/4-wire switch
PORT1
(RS422
/485)
Port 1: RS-422A/485
PORT2
Port 2: RS-232C
Magnified view of
bottom-right corner
Terminating resistance
switch (for port 2)
2-wire/4-wire switch
(for port 2)
Status
Lit Operating normally
Not lit Unit hardware error.
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.
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 1)
Not lit CPU Unit is operating normally and the Setup
Area settings are normal.
Section 2-1
Meaning
69